├── ios ├── Runner │ ├── Runner-Bridging-Header.h │ ├── Assets.xcassets │ │ ├── LaunchImage.imageset │ │ │ ├── LaunchImage.png │ │ │ ├── LaunchImage@2x.png │ │ │ ├── LaunchImage@3x.png │ │ │ ├── README.md │ │ │ └── Contents.json │ │ └── AppIcon.appiconset │ │ │ ├── Icon-App-20x20@1x.png │ │ │ ├── Icon-App-20x20@2x.png │ │ │ ├── Icon-App-20x20@3x.png │ │ │ ├── Icon-App-29x29@1x.png │ │ │ ├── Icon-App-29x29@2x.png │ │ │ ├── Icon-App-29x29@3x.png │ │ │ ├── Icon-App-40x40@1x.png │ │ │ ├── Icon-App-40x40@2x.png │ │ │ ├── Icon-App-40x40@3x.png │ │ │ ├── Icon-App-60x60@2x.png │ │ │ ├── Icon-App-60x60@3x.png │ │ │ ├── Icon-App-76x76@1x.png │ │ │ ├── Icon-App-76x76@2x.png │ │ │ ├── Icon-App-1024x1024@1x.png │ │ │ ├── Icon-App-83.5x83.5@2x.png │ │ │ └── Contents.json │ ├── AppDelegate.swift │ ├── Base.lproj │ │ ├── Main.storyboard │ │ └── LaunchScreen.storyboard │ └── Info.plist ├── Flutter │ ├── Debug.xcconfig │ ├── Release.xcconfig │ └── AppFrameworkInfo.plist ├── Runner.xcodeproj │ ├── project.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ ├── WorkspaceSettings.xcsettings │ │ │ └── IDEWorkspaceChecks.plist │ ├── xcshareddata │ │ └── xcschemes │ │ │ └── Runner.xcscheme │ └── project.pbxproj ├── Runner.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ ├── WorkspaceSettings.xcsettings │ │ └── IDEWorkspaceChecks.plist ├── .gitignore └── Podfile ├── web ├── favicon.png ├── manifest.json └── index.html ├── android ├── gradle.properties ├── app │ ├── src │ │ ├── main │ │ │ ├── res │ │ │ │ ├── mipmap-hdpi │ │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-mdpi │ │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xhdpi │ │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxhdpi │ │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxxhdpi │ │ │ │ │ └── ic_launcher.png │ │ │ │ ├── drawable │ │ │ │ │ └── launch_background.xml │ │ │ │ ├── drawable-v21 │ │ │ │ │ └── launch_background.xml │ │ │ │ ├── values │ │ │ │ │ └── styles.xml │ │ │ │ └── values-night │ │ │ │ │ └── styles.xml │ │ │ ├── kotlin │ │ │ │ └── com │ │ │ │ │ └── nicomama │ │ │ │ │ └── flutter_sample │ │ │ │ │ └── MainActivity.kt │ │ │ └── AndroidManifest.xml │ │ ├── debug │ │ │ └── AndroidManifest.xml │ │ └── profile │ │ │ └── AndroidManifest.xml │ └── build.gradle ├── gradle │ └── wrapper │ │ └── gradle-wrapper.properties ├── .gitignore ├── settings.gradle └── build.gradle ├── macos ├── Runner │ ├── Configs │ │ ├── Debug.xcconfig │ │ ├── Release.xcconfig │ │ ├── Warnings.xcconfig │ │ └── AppInfo.xcconfig │ ├── Assets.xcassets │ │ └── AppIcon.appiconset │ │ │ ├── app_icon_128.png │ │ │ ├── app_icon_16.png │ │ │ ├── app_icon_256.png │ │ │ ├── app_icon_32.png │ │ │ ├── app_icon_512.png │ │ │ ├── app_icon_64.png │ │ │ ├── app_icon_1024.png │ │ │ └── Contents.json │ ├── AppDelegate.swift │ ├── Release.entitlements │ ├── DebugProfile.entitlements │ ├── MainFlutterWindow.swift │ ├── Info.plist │ └── Base.lproj │ │ └── MainMenu.xib ├── .gitignore ├── Flutter │ ├── Flutter-Debug.xcconfig │ ├── Flutter-Release.xcconfig │ └── GeneratedPluginRegistrant.swift ├── Runner.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ └── IDEWorkspaceChecks.plist ├── Runner.xcodeproj │ ├── project.xcworkspace │ │ └── xcshareddata │ │ │ └── IDEWorkspaceChecks.plist │ └── xcshareddata │ │ └── xcschemes │ │ └── Runner.xcscheme ├── Podfile.lock └── Podfile ├── lib ├── provider │ ├── post │ │ ├── list │ │ │ ├── post_item_notifier.dart │ │ │ ├── post_item_widget.dart │ │ │ ├── post_item_widget2.dart │ │ │ ├── post_list_model.dart │ │ │ └── post_list_widget.dart │ │ ├── base │ │ │ ├── eventbus_x.dart │ │ │ ├── slide_page_route.dart │ │ │ └── item_refresher.dart │ │ ├── data │ │ │ ├── post_bean.dart │ │ │ └── post_server.dart │ │ └── detail │ │ │ ├── post_detail_model.dart │ │ │ └── post_detail_widget.dart │ ├── set_state_demo_widget.dart │ ├── provider_demo_widget1.dart │ ├── provider_demo_widget4.dart │ ├── selector │ │ └── selector_demo_widget.dart │ ├── provider_demo_widget3.dart │ └── provider_demo_widget2.dart ├── generated │ └── json │ │ └── base │ │ └── json_filed.dart ├── stream │ ├── main_stream.dart │ ├── stream3_create_stream_by_streamcontroller.dart │ ├── stream4_receving_stream_by_await_for.dart │ ├── stream2_create_stream_by_future.dart │ ├── stream5_two_kind_stream.dart │ ├── stream1_simple_use.dart │ ├── stream7_stream_to_stream.dart │ ├── stream6_stream_to_future.dart │ └── stream8_stream_transformer.dart ├── generated_plugin_registrant.dart ├── bottom_input │ ├── input_dialog.dart │ └── input_widget.dart ├── main_eventbus.dart ├── main_bottom_input.dart ├── main_provider.dart ├── main.dart ├── statemanager │ ├── scoped_model_widget.dart │ ├── provider_widget.dart │ ├── bloc_widget.dart │ ├── bloc_rxdart_widget.dart │ ├── redux_widget.dart │ ├── inherited_widget.dart │ └── inherited_notifier_widget.dart └── eventbus │ ├── my_event_bus.dart │ ├── eventbus_demo_widget1.dart │ └── eventbus_demo_widget2.dart ├── .metadata ├── test └── widget_test.dart ├── README.md ├── analysis_options.yaml ├── .gitignore └── pubspec.yaml /ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" -------------------------------------------------------------------------------- /web/favicon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AlvinScrp/flutter_sample/HEAD/web/favicon.png -------------------------------------------------------------------------------- /android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.useAndroidX=true 3 | android.enableJetifier=true 4 | -------------------------------------------------------------------------------- /macos/Runner/Configs/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "../../Flutter/Flutter-Debug.xcconfig" 2 | #include "Warnings.xcconfig" 3 | -------------------------------------------------------------------------------- /macos/Runner/Configs/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "../../Flutter/Flutter-Release.xcconfig" 2 | #include "Warnings.xcconfig" 3 | -------------------------------------------------------------------------------- /macos/.gitignore: -------------------------------------------------------------------------------- 1 | # Flutter-related 2 | **/Flutter/ephemeral/ 3 | **/Pods/ 4 | 5 | # Xcode-related 6 | **/dgph 7 | **/xcuserdata/ 8 | -------------------------------------------------------------------------------- /ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" 2 | #include "Generated.xcconfig" 3 | -------------------------------------------------------------------------------- /ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" 2 | #include "Generated.xcconfig" 3 | -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AlvinScrp/flutter_sample/HEAD/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- 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"Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" 2 | #include "ephemeral/Flutter-Generated.xcconfig" 3 | -------------------------------------------------------------------------------- /macos/Flutter/Flutter-Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" 2 | #include "ephemeral/Flutter-Generated.xcconfig" 3 | -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AlvinScrp/flutter_sample/HEAD/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png -------------------------------------------------------------------------------- /macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/AlvinScrp/flutter_sample/HEAD/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png -------------------------------------------------------------------------------- /macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png: 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/android/app/src/main/kotlin/com/nicomama/flutter_sample/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.nicomama.flutter_sample 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() { 6 | } 7 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /lib/provider/post/list/post_item_notifier.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | import 'package:flutter_sample/provider/post/data/post_bean.dart'; 3 | 4 | class PostNotifier with ChangeNotifier { 5 | late int id; 6 | } 7 | -------------------------------------------------------------------------------- /macos/Flutter/GeneratedPluginRegistrant.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | import FlutterMacOS 6 | import Foundation 7 | 8 | 9 | func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { 10 | } 11 | -------------------------------------------------------------------------------- /macos/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import Cocoa 2 | import FlutterMacOS 3 | 4 | @NSApplicationMain 5 | class AppDelegate: FlutterAppDelegate { 6 | override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool { 7 | return true 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip 7 | -------------------------------------------------------------------------------- /macos/Runner/Release.entitlements: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | com.apple.security.app-sandbox 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /macos/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: c382b8e990b6976f610764179f94e0416d82c057 8 | channel: stable 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | 9 | # Remember to never publicly share your keystore. 10 | # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app 11 | key.properties 12 | **/*.keystore 13 | **/*.jks 14 | -------------------------------------------------------------------------------- /lib/generated/json/base/json_filed.dart: -------------------------------------------------------------------------------- 1 | // ignore_for_file: non_constant_identifier_names 2 | // ignore_for_file: camel_case_types 3 | // ignore_for_file: prefer_single_quotes 4 | 5 | // This file is automatically generated. DO NOT EDIT, all your changes would be lost. 6 | 7 | class JSONField { 8 | final String name; 9 | 10 | const JSONField(this.name); 11 | } 12 | -------------------------------------------------------------------------------- /lib/stream/main_stream.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | main() { 4 | // ignore: close_sinks 5 | var _streamController = new StreamController(); 6 | _streamController.stream.listen((event) => print("$event")); 7 | // _streamController.stream.listen((event) => print("$event")); 8 | _streamController.sink.add(100); 9 | _streamController.add("xxx"); 10 | } 11 | -------------------------------------------------------------------------------- /android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /macos/Podfile.lock: -------------------------------------------------------------------------------- 1 | PODS: 2 | - FlutterMacOS (1.0.0) 3 | 4 | DEPENDENCIES: 5 | - FlutterMacOS (from `Flutter/ephemeral`) 6 | 7 | EXTERNAL SOURCES: 8 | FlutterMacOS: 9 | :path: Flutter/ephemeral 10 | 11 | SPEC CHECKSUMS: 12 | FlutterMacOS: 57701585bf7de1b3fc2bb61f6378d73bbdea8424 13 | 14 | PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c 15 | 16 | COCOAPODS: 1.11.2 17 | -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md: -------------------------------------------------------------------------------- 1 | # Launch Screen Assets 2 | 3 | You can customize the launch screen with your own desired assets by replacing the image files in this directory. 4 | 5 | You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. -------------------------------------------------------------------------------- /lib/provider/post/base/eventbus_x.dart: -------------------------------------------------------------------------------- 1 | import 'package:event_bus/event_bus.dart'; 2 | import 'package:flutter/material.dart'; 3 | 4 | EventBus eventBus = EventBus(); 5 | 6 | class BaseEvent { 7 | void fire() { 8 | eventBus.fire(this); 9 | } 10 | } 11 | 12 | class PostLikeEvent extends BaseEvent { 13 | int id; 14 | bool isLike; 15 | 16 | PostLikeEvent(this.id, this.isLike); 17 | } 18 | -------------------------------------------------------------------------------- /lib/stream/stream3_create_stream_by_streamcontroller.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | main() { 4 | var controller = StreamController(); 5 | controller.stream.listen(_onData, onDone: _onDone); 6 | controller.add(1); 7 | controller.add(2); 8 | controller.add(3); 9 | controller.close(); 10 | } 11 | 12 | void _onData(int event) => print("$event"); 13 | 14 | void _onDone() => print("onDone"); 15 | -------------------------------------------------------------------------------- /macos/Runner/DebugProfile.entitlements: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | com.apple.security.app-sandbox 6 | 7 | com.apple.security.cs.allow-jit 8 | 9 | com.apple.security.network.server 10 | 11 | 12 | 13 | -------------------------------------------------------------------------------- /ios/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | import Flutter 3 | 4 | @UIApplicationMain 5 | @objc class AppDelegate: FlutterAppDelegate { 6 | override func application( 7 | _ application: UIApplication, 8 | didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? 9 | ) -> Bool { 10 | GeneratedPluginRegistrant.register(with: self) 11 | return super.application(application, didFinishLaunchingWithOptions: launchOptions) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /lib/stream/stream4_receving_stream_by_await_for.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | Stream countStream(int to) async* { 4 | for (int i = 1; i < to; i++) yield i; 5 | } 6 | 7 | Future sumStream(Stream stream) async { 8 | var sum = 0; 9 | await for (var value in stream) { 10 | print("$value"); 11 | sum += value; 12 | } 13 | return sum; 14 | } 15 | 16 | main() async { 17 | var sum = await sumStream(countStream(5)); 18 | print("sum:$sum"); 19 | } 20 | -------------------------------------------------------------------------------- /macos/Runner/MainFlutterWindow.swift: -------------------------------------------------------------------------------- 1 | import Cocoa 2 | import FlutterMacOS 3 | 4 | class MainFlutterWindow: NSWindow { 5 | override func awakeFromNib() { 6 | let flutterViewController = FlutterViewController.init() 7 | let windowFrame = self.frame 8 | self.contentViewController = flutterViewController 9 | self.setFrame(windowFrame, display: true) 10 | 11 | RegisterGeneratedPlugins(registry: flutterViewController) 12 | 13 | super.awakeFromNib() 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /lib/generated_plugin_registrant.dart: -------------------------------------------------------------------------------- 1 | // 2 | // Generated file. Do not edit. 3 | // 4 | 5 | // ignore_for_file: directives_ordering 6 | // ignore_for_file: lines_longer_than_80_chars 7 | 8 | import 'package:video_player_web/video_player_web.dart'; 9 | 10 | import 'package:flutter_web_plugins/flutter_web_plugins.dart'; 11 | 12 | // ignore: public_member_api_docs 13 | void registerPlugins(Registrar registrar) { 14 | VideoPlayerPlugin.registerWith(registrar); 15 | registrar.registerMessageHandler(); 16 | } 17 | -------------------------------------------------------------------------------- /android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties") 4 | def properties = new Properties() 5 | 6 | assert localPropertiesFile.exists() 7 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } 8 | 9 | def flutterSdkPath = properties.getProperty("flutter.sdk") 10 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 11 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" 12 | -------------------------------------------------------------------------------- /android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /android/app/src/main/res/drawable-v21/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "universal", 5 | "filename" : "LaunchImage.png", 6 | "scale" : "1x" 7 | }, 8 | { 9 | "idiom" : "universal", 10 | "filename" : "LaunchImage@2x.png", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "universal", 15 | "filename" : "LaunchImage@3x.png", 16 | "scale" : "3x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /macos/Runner/Configs/Warnings.xcconfig: -------------------------------------------------------------------------------- 1 | WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings 2 | GCC_WARN_UNDECLARED_SELECTOR = YES 3 | CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES 4 | CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE 5 | CLANG_WARN__DUPLICATE_METHOD_MATCH = YES 6 | CLANG_WARN_PRAGMA_PACK = YES 7 | CLANG_WARN_STRICT_PROTOTYPES = YES 8 | CLANG_WARN_COMMA = YES 9 | GCC_WARN_STRICT_SELECTOR_MATCH = YES 10 | CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES 11 | CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES 12 | GCC_WARN_SHADOW = YES 13 | CLANG_WARN_UNREACHABLE_CODE = YES 14 | -------------------------------------------------------------------------------- /lib/provider/post/data/post_bean.dart: -------------------------------------------------------------------------------- 1 | /// id : 1 2 | /// content : "sdsdsd" 3 | /// isLike : false 4 | 5 | class PostBean { 6 | int id = 0; 7 | String content = ""; 8 | bool isLike = false; 9 | 10 | PostBean.value(this.id, this.isLike, this.content); 11 | 12 | PostBean(this.id, this.content, this.isLike); 13 | 14 | PostBean.map(dynamic obj) { 15 | id = obj["id"]; 16 | content = obj["content"]; 17 | isLike = obj["isLike"]; 18 | } 19 | 20 | Map toMap() { 21 | var map = {}; 22 | map["id"] = id; 23 | map["content"] = content; 24 | map["isLike"] = isLike; 25 | return map; 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /macos/Runner/Configs/AppInfo.xcconfig: -------------------------------------------------------------------------------- 1 | // Application-level settings for the Runner target. 2 | // 3 | // This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the 4 | // future. If not, the values below would default to using the project name when this becomes a 5 | // 'flutter create' template. 6 | 7 | // The application's name. By default this is also the title of the Flutter window. 8 | PRODUCT_NAME = flutter_sample 9 | 10 | // The application's bundle identifier 11 | PRODUCT_BUNDLE_IDENTIFIER = com.nicomama.flutterSample 12 | 13 | // The copyright displayed in application information 14 | PRODUCT_COPYRIGHT = Copyright © 2022 com.nicomama. All rights reserved. 15 | -------------------------------------------------------------------------------- /ios/.gitignore: -------------------------------------------------------------------------------- 1 | **/dgph 2 | *.mode1v3 3 | *.mode2v3 4 | *.moved-aside 5 | *.pbxuser 6 | *.perspectivev3 7 | **/*sync/ 8 | .sconsign.dblite 9 | .tags* 10 | **/.vagrant/ 11 | **/DerivedData/ 12 | Icon? 13 | **/Pods/ 14 | **/.symlinks/ 15 | profile 16 | xcuserdata 17 | **/.generated/ 18 | Flutter/App.framework 19 | Flutter/Flutter.framework 20 | Flutter/Flutter.podspec 21 | Flutter/Generated.xcconfig 22 | Flutter/ephemeral/ 23 | Flutter/app.flx 24 | Flutter/app.zip 25 | Flutter/flutter_assets/ 26 | Flutter/flutter_export_environment.sh 27 | ServiceDefinitions.json 28 | Runner/GeneratedPluginRegistrant.* 29 | 30 | # Exceptions to above rules. 31 | !default.mode1v3 32 | !default.mode2v3 33 | !default.pbxuser 34 | !default.perspectivev3 35 | -------------------------------------------------------------------------------- /android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.3.50' 3 | repositories { 4 | google() 5 | mavenCentral() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:4.1.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | mavenCentral() 18 | } 19 | } 20 | 21 | rootProject.buildDir = '../build' 22 | subprojects { 23 | project.buildDir = "${rootProject.buildDir}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | task clean(type: Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /lib/stream/stream2_create_stream_by_future.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | //创建一个Future,延迟毫秒数，返回整数i 4 | Future createFuture(int delayMilliseconds, int i) { 5 | return Future.delayed(Duration(milliseconds: delayMilliseconds)) 6 | .then((value) => i); 7 | } 8 | 9 | Stream streamFromFutures(Iterable> futures) async* { 10 | for (var future in futures) { 11 | //请求future 并返回future的结果给Stream 12 | var result = await future; 13 | yield result; 14 | } 15 | } 16 | 17 | main() { 18 | List values = [0, 1, 2, 3, 4]; 19 | List> futures = 20 | values.map((i) => createFuture(i * 200, i)).toList(); 21 | Stream stream = streamFromFutures(futures); 22 | stream.listen(_onData, onDone: _onDone); 23 | } 24 | 25 | void _onData(int event) => print("$event"); 26 | 27 | void _onDone() => print("onDone"); 28 | -------------------------------------------------------------------------------- /lib/stream/stream5_two_kind_stream.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | main() { 4 | broadcastStreamsTest(); 5 | singleSubscriptionStreamsTest(); 6 | } 7 | 8 | void broadcastStreamsTest() { 9 | //此时返回的是 _AsyncBroadcastStreamController，广播流 10 | var _streamController = StreamController.broadcast(); 11 | _streamController.stream.listen((event) => print("$event")); 12 | _streamController.stream.listen((event) => print("$event")); 13 | _streamController.sink.add(100); 14 | _streamController.close(); 15 | } 16 | 17 | void singleSubscriptionStreamsTest() { 18 | //此时返回的是 _AsyncStreamController，单订阅者流 19 | var _streamController = StreamController(); 20 | _streamController.stream.listen((event) => print("$event")); 21 | _streamController.stream.listen((event) => print("$event")); 22 | _streamController.sink.add(100); 23 | _streamController.close(); 24 | } 25 | -------------------------------------------------------------------------------- /lib/stream/stream1_simple_use.dart: -------------------------------------------------------------------------------- 1 | //周期性发送整数Stream，当使用yield时，向Stream提交事件(一个整数) 2 | import 'dart:async'; 3 | 4 | Stream timedCounter(Duration interval, [int maxCount = 0]) async* { 5 | int i = 0; 6 | while (true) { 7 | await Future.delayed(interval); 8 | yield i++; 9 | if (i == maxCount) break; 10 | } 11 | } 12 | 13 | main() { 14 | Stream stream = timedCounter(Duration(milliseconds: 200), 5); 15 | StreamSubscription subscription = 16 | stream.listen(_onData, onDone: _onDone); 17 | _delayCancel(subscription, milliseconds: 500); 18 | } 19 | 20 | void _onData(int event) => print("$event"); 21 | 22 | void _onDone() => print("onDone"); 23 | 24 | void _delayCancel(StreamSubscription subscription, {int milliseconds = 0}) { 25 | Future.delayed(Duration(milliseconds: milliseconds)) 26 | .then((value) => subscription.cancel()); 27 | } 28 | -------------------------------------------------------------------------------- /lib/stream/stream7_stream_to_stream.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | Stream countStream(int to) async* { 4 | for (int i = 0; i < to; i++) yield i; 5 | } 6 | 7 | List countList(int to) { 8 | List list = List.empty(growable: true); 9 | for (int i = 0; i < to; i++) list.add(i); 10 | return list; 11 | } 12 | 13 | main() { 14 | map(); 15 | } 16 | 17 | void map() async { 18 | Stream stream = countStream(5); 19 | Stream strStream = stream.map((event) => "index($event)"); 20 | StringBuffer streamSb = new StringBuffer(); 21 | await strStream.forEach((value) => streamSb.write("$value,")); 22 | 23 | List list = countList(5); 24 | StringBuffer listSb = new StringBuffer(); 25 | var strList = list.map((e) => "index($e)").toList(); 26 | strList.forEach((element) => listSb.write("$element,")); 27 | print("map stream:$streamSb list:$listSb"); 28 | } 29 | -------------------------------------------------------------------------------- /lib/provider/post/detail/post_detail_model.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_sample/provider/post/base/eventbus_x.dart'; 3 | import 'package:flutter_sample/provider/post/data/post_bean.dart'; 4 | import 'package:flutter_sample/provider/post/data/post_server.dart'; 5 | 6 | class PostDetailModel with ChangeNotifier { 7 | PostBean? post; 8 | 9 | initPost(int id) { 10 | PostServer.instance().getPostDetail(id).then((json) { 11 | post = PostBean.map(json); 12 | notifyListeners(); 13 | }).catchError((e) => print(e)); 14 | } 15 | 16 | likePost(bool toLike) { 17 | PostServer.instance().like(post?.id??0, toLike).then((result) { 18 | if (result["success"]) { 19 | post?.isLike = toLike; 20 | PostLikeEvent(post?.id??0, toLike).fire(); 21 | } 22 | notifyListeners(); 23 | }).catchError((e) => print(e)); 24 | } 25 | } 26 | -------------------------------------------------------------------------------- /ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | App 9 | CFBundleIdentifier 10 | io.flutter.flutter.app 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | App 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1.0 23 | MinimumOSVersion 24 | 9.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /lib/provider/set_state_demo_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | const String setStateDemoTitle = "setState示例"; 4 | 5 | class SetStateDemoWidget extends StatefulWidget { 6 | SetStateDemoWidget({Key? key}) : super(key: key); 7 | 8 | @override 9 | _SetStateDemoWidgetState createState() => _SetStateDemoWidgetState(); 10 | } 11 | 12 | class _SetStateDemoWidgetState extends State { 13 | int count = 0; 14 | 15 | @override 16 | Widget build(BuildContext context) { 17 | return Scaffold( 18 | appBar: AppBar( 19 | title: Text(setStateDemoTitle), 20 | ), 21 | body: Center( 22 | child: Column( 23 | mainAxisAlignment: MainAxisAlignment.center, 24 | children: [ 25 | Text("计数:$count"), 26 | ElevatedButton( 27 | child: Text("increment"), 28 | onPressed: () => setState(() => count++), 29 | ) 30 | ], 31 | ), 32 | ), 33 | ); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /web/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "flutter_sample", 3 | "short_name": "flutter_sample", 4 | "start_url": ".", 5 | "display": "standalone", 6 | "background_color": "#0175C2", 7 | "theme_color": "#0175C2", 8 | "description": "A new Flutter project.", 9 | "orientation": "portrait-primary", 10 | "prefer_related_applications": false, 11 | "icons": [ 12 | { 13 | "src": "icons/Icon-192.png", 14 | "sizes": "192x192", 15 | "type": "image/png" 16 | }, 17 | { 18 | "src": "icons/Icon-512.png", 19 | "sizes": "512x512", 20 | "type": "image/png" 21 | }, 22 | { 23 | "src": "icons/Icon-maskable-192.png", 24 | "sizes": "192x192", 25 | "type": "image/png", 26 | "purpose": "maskable" 27 | }, 28 | { 29 | "src": "icons/Icon-maskable-512.png", 30 | "sizes": "512x512", 31 | "type": "image/png", 32 | "purpose": "maskable" 33 | } 34 | ] 35 | } 36 | -------------------------------------------------------------------------------- /android/app/src/main/res/values-night/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /lib/stream/stream6_stream_to_future.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | Stream countStream(int to) async* { 4 | for (int i = 0; i < to; i++) yield i; 5 | } 6 | 7 | List countList(int to) { 8 | List list = List.empty(growable: true); 9 | for (int i = 0; i < to; i++) list.add(i); 10 | return list; 11 | } 12 | 13 | main() { 14 | reduce(); 15 | forEach(); 16 | } 17 | 18 | void reduce() async { 19 | Stream stream = countStream(5); 20 | Future future = stream.reduce((previous, element) => previous + element); 21 | var futureSum = await future; 22 | 23 | List list = countList(5); 24 | var listSum = list.reduce((value, element) => value + element); 25 | print("reduce futureSum:$futureSum listSum:$listSum"); 26 | } 27 | 28 | void forEach() async { 29 | Stream stream = countStream(5); 30 | StringBuffer streamSb = new StringBuffer(); 31 | await stream.forEach((value) => streamSb.write("$value,")); 32 | 33 | List list = countList(5); 34 | StringBuffer listSb = new StringBuffer(); 35 | list.forEach((value) => listSb.write("$value,")); 36 | print("stream forEach:$streamSb list forEach:$listSb"); 37 | } 38 | -------------------------------------------------------------------------------- /lib/provider/post/base/slide_page_route.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/widgets.dart'; 2 | 3 | class SlidePageRoute extends PageRouteBuilder { 4 | final Widget widget; 5 | 6 | SlidePageRoute({required this.widget}) 7 | : super( 8 | transitionDuration: const Duration(milliseconds: 300), //设置动画时长500毫秒 9 | pageBuilder: (BuildContext context, Animation animation1, 10 | Animation animation2) { 11 | return widget; 12 | }, 13 | transitionsBuilder: (BuildContext context, 14 | Animation animation1, 15 | Animation animation2, 16 | Widget child) { 17 | //渐变过渡 18 | return SlideTransition( 19 | position: Tween( 20 | begin: Offset(1.0, 0.0), end: Offset(0.0, 0.0)) 21 | .animate(CurvedAnimation( 22 | parent: animation1, curve: Curves.fastOutSlowIn)), 23 | child: child, 24 | ); 25 | //翻转缩放 26 | }, 27 | maintainState: true, 28 | opaque: false); 29 | } 30 | -------------------------------------------------------------------------------- /test/widget_test.dart: -------------------------------------------------------------------------------- 1 | // This is a basic Flutter widget test. 2 | // 3 | // To perform an interaction with a widget in your test, use the WidgetTester 4 | // utility that Flutter provides. For example, you can send tap and scroll 5 | // gestures. You can also use WidgetTester to find child widgets in the widget 6 | // tree, read text, and verify that the values of widget properties are correct. 7 | 8 | import 'package:flutter/material.dart'; 9 | import 'package:flutter_test/flutter_test.dart'; 10 | 11 | import 'package:flutter_sample/main.dart'; 12 | 13 | void main() { 14 | testWidgets('Counter increments smoke test', (WidgetTester tester) async { 15 | // Build our app and trigger a frame. 16 | await tester.pumpWidget(MyApp()); 17 | 18 | // Verify that our counter starts at 0. 19 | expect(find.text('0'), findsOneWidget); 20 | expect(find.text('1'), findsNothing); 21 | 22 | // Tap the '+' icon and trigger a frame. 23 | await tester.tap(find.byIcon(Icons.add)); 24 | await tester.pump(); 25 | 26 | // Verify that our counter has incremented. 27 | expect(find.text('0'), findsNothing); 28 | expect(find.text('1'), findsOneWidget); 29 | }); 30 | } 31 | -------------------------------------------------------------------------------- /macos/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIconFile 10 | 11 | CFBundleIdentifier 12 | $(PRODUCT_BUNDLE_IDENTIFIER) 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | $(PRODUCT_NAME) 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | $(FLUTTER_BUILD_NAME) 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSMinimumSystemVersion 24 | $(MACOSX_DEPLOYMENT_TARGET) 25 | NSHumanReadableCopyright 26 | $(PRODUCT_COPYRIGHT) 27 | NSMainNibFile 28 | MainMenu 29 | NSPrincipalClass 30 | NSApplication 31 | 32 | 33 | -------------------------------------------------------------------------------- /lib/provider/post/list/post_item_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_sample/provider/post/data/post_bean.dart'; 3 | 4 | class PostItemWidget extends StatelessWidget { 5 | final PostBean? post; 6 | 7 | final void Function(BuildContext context, PostBean? post)? click; 8 | 9 | const PostItemWidget({Key? key, this.post, this.click}) : super(key: key); 10 | 11 | @override 12 | Widget build(BuildContext context) { 13 | return GestureDetector( 14 | onTap: () => click?.call(context, post), 15 | child: Container( 16 | height: 80, 17 | child: Row( 18 | children: [ 19 | Expanded( 20 | child: Text( 21 | "${post?.content}", 22 | maxLines: 2, 23 | overflow: TextOverflow.ellipsis, 24 | ), 25 | ), 26 | Container( 27 | width: 50, 28 | child: Icon( 29 | Icons.favorite, 30 | color: (post?.isLike ?? false) ? Colors.red : Colors.grey, 31 | ), 32 | ), 33 | ], 34 | ), 35 | )); 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /lib/bottom_input/input_dialog.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | import 'package:flutter/material.dart'; 3 | 4 | import 'input_widget.dart'; 5 | 6 | class InputDialog { 7 | static Future show(BuildContext context) async { 8 | return Navigator.of(context).push(InputOverlay()); 9 | } 10 | } 11 | 12 | class InputOverlay extends ModalRoute { 13 | @override 14 | Duration get transitionDuration => Duration(milliseconds: 200); 15 | 16 | @override 17 | bool get opaque => false; 18 | 19 | @override 20 | bool get barrierDismissible => true; 21 | 22 | @override 23 | Color get barrierColor => const Color(0x01000000); 24 | 25 | @override 26 | String get barrierLabel => ""; 27 | 28 | @override 29 | bool get maintainState => true; 30 | 31 | @override 32 | Widget buildPage( 33 | BuildContext context, 34 | Animation animation, 35 | Animation secondaryAnimation, 36 | ) { 37 | return InputWidget(); 38 | } 39 | 40 | @override 41 | Widget buildTransitions(BuildContext context, Animation animation, 42 | Animation secondaryAnimation, Widget child) { 43 | return FadeTransition( 44 | opacity: CurvedAnimation( 45 | parent: animation, 46 | curve: Curves.easeOut, 47 | ), 48 | child: child, 49 | ); 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # flutter_sample 2 | 3 | 提供一些Flutter实用的案例代码 4 | 5 | ## 介绍链接 6 | 7 | - [输入框和键盘处理]( https://juejin.im/post/5e7c164ae51d455c7275d353 ) 8 | 入口：main_bottom_input.dart 9 | - [Flutter视频库chewie的使用]( https://juejin.im/post/5e814fd9518825738e215f0f ) 10 | 入口：main_video.dart 11 | 12 | - [Flutter状态管理Provider(一) 简易使用](https://juejin.im/post/5e859b39f265da47c06ebaf1) 13 | 入口：main_provider.dart 14 | 15 | - [Flutter状态管理Provider(二) 源码分析](https://juejin.im/post/5e89ad7a6fb9a03c4e64697d) 16 | 入口：main_provider.dart 17 | 18 | - [Flutter状态管理Provider(三)基于Provider的开发应用](https://juejin.im/post/5e931f41e51d4547153d174e) 19 | 入口：main_provider.dart 20 | 21 | - [Flutter状态管理Provider(四) Selector使用](https://juejin.im/post/5eabb46be51d454dbd1fd30a) 22 | 入口：main_provider.dart 23 | 24 | - [Flutter事件总线EventBus](https://juejin.im/post/5eb3973ae51d4525602d34ac) 25 | 入口：main_eventbus.dart 26 | 27 | - [Flutter之Stream(一)介绍](https://juejin.im/post/5eba0e9051882558dc24cadc) 28 | 入口：main_Stream.dart 29 | 30 | 31 | ## 待补充: 32 | - 自定义圆角widget y 33 | - 图片swiper组件 y 34 | - 模糊使用 y 35 | - OverScrollBehavior y 36 | - 自定义Route:SlidePageRoute,TransparentModalRoute... y 37 | - 横竖屏切换问题 m 38 | - 1.12.13 新的build aar m 39 | - 固定尺寸GirdItem SliverGridDelegateWithFixedSize m 40 | - Widget与Element关系 m 41 | - fish-redux 源码解析 m 42 | - stream 源码解析 m 43 | - 混合栈 flutter_thrio flutter_boost 44 | 45 | 46 | -------------------------------------------------------------------------------- /lib/main_eventbus.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'eventbus/eventbus_demo_widget1.dart'; 4 | import 'eventbus/eventbus_demo_widget2.dart'; 5 | 6 | void main() => runApp(MaterialApp( 7 | home: Scaffold( 8 | appBar: AppBar( 9 | title: const Text("EventBus"), 10 | ), 11 | body: MainEventBusWidget(), 12 | ), 13 | )); 14 | 15 | class MainEventBusWidget extends StatefulWidget { 16 | const MainEventBusWidget({Key? key}) : super(key: key); 17 | 18 | @override 19 | _MainEventBusWidgetState createState() => _MainEventBusWidgetState(); 20 | } 21 | 22 | class _MainEventBusWidgetState extends State { 23 | @override 24 | Widget build(BuildContext context) { 25 | return Center( 26 | child: Column( 27 | mainAxisAlignment: MainAxisAlignment.center, 28 | children: [ 29 | _build(context, eventBusDemo1Title, EventBusDemoWidget1()), 30 | _build(context, eventBusDemo2Title, EventBusDemoWidget2()), 31 | ], 32 | ), 33 | ); 34 | } 35 | 36 | Widget _build(BuildContext context, String text, Widget newRouteWidget) { 37 | return ElevatedButton( 38 | child: Text(text), 39 | onPressed: () => Navigator.of(context).push(MaterialPageRoute( 40 | builder: (context) => newRouteWidget, 41 | )), 42 | ); 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /lib/main_bottom_input.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'bottom_input/input_dialog.dart'; 3 | 4 | void main() => runApp(MaterialApp(home: InputHomeWidget())); 5 | 6 | class InputHomeWidget extends StatefulWidget { 7 | @override 8 | _InputHomeWidgetState createState() => _InputHomeWidgetState(); 9 | } 10 | 11 | class _InputHomeWidgetState extends State { 12 | String _inputString = ""; 13 | 14 | @override 15 | Widget build(BuildContext context) { 16 | return Scaffold( 17 | /**弹出键盘会导致bottomInset值变化，可以通过MediaQuery获取到各种值。 18 | resizeToAvoidBottomInset：true(默认值)， 19 | 表示根据变化重新Build，页面会被顶到键盘上，当然也可以通过scollView处理 **/ 20 | resizeToAvoidBottomInset: false, 21 | appBar: AppBar( 22 | title: Text("底部输入框"), 23 | ), 24 | body: Column( 25 | mainAxisSize: MainAxisSize.min, 26 | children: [ 27 | FlatButton( 28 | color: Colors.yellow, 29 | onPressed: _input, 30 | child: Text("弹出底部输入框"), 31 | ), 32 | Expanded(child: Text("结果:$_inputString")), 33 | Text("底部文案"), 34 | Container( 35 | height: 100, 36 | width: 20, 37 | ) 38 | ], 39 | ), 40 | ); 41 | } 42 | 43 | void _input() { 44 | InputDialog.show(context).then((value) { 45 | setState(() { 46 | _inputString = value??""; 47 | }); 48 | }); 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /lib/stream/stream8_stream_transformer.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | //一个字母和空格流，空格分割的字母序列都是一个单词 4 | Stream buildLetterStream() async* { 5 | String s = "One World One Dream"; 6 | for (int i = 0; i < s.length; i++) { 7 | String letter = s.substring(i, i + 1); 8 | yield letter; 9 | } 10 | } 11 | 12 | main() async { 13 | Stream letterStream = buildLetterStream(); 14 | var wordSplitter = WordSplitter(); 15 | //字母组成单词。字母序列-->单词序列 16 | Stream wordStream = 17 | letterStream.transform(wordSplitter.transformer()); 18 | await wordStream.forEach((word) => print(word)); 19 | } 20 | 21 | class WordSplitter { 22 | StreamTransformer? _transformer; 23 | StringBuffer _wordBuilder = new StringBuffer(); 24 | 25 | StreamTransformer transformer() { 26 | _transformer = StreamTransformer.fromHandlers( 27 | handleData: _handleData, handleDone: _sinkWord); 28 | return _transformer!; 29 | } 30 | 31 | //One World One Dream 32 | void _handleData(String letter, EventSink sink) { 33 | //读到空格，则把累计的字母构成单词输出。 34 | if (letter == " ") { 35 | _sinkWord(sink); 36 | } else { 37 | //否则存储字母 38 | _wordBuilder.write(letter); 39 | } 40 | } 41 | 42 | //读完时，把剩余字母构成单词输出 43 | void _sinkWord(EventSink sink) { 44 | if (_wordBuilder.isNotEmpty) { 45 | sink.add(_wordBuilder.toString()); 46 | _wordBuilder.clear(); 47 | } 48 | } 49 | } 50 | -------------------------------------------------------------------------------- /macos/Podfile: -------------------------------------------------------------------------------- 1 | platform :osx, '10.11' 2 | 3 | # CocoaPods analytics sends network stats synchronously affecting flutter build latency. 4 | ENV['COCOAPODS_DISABLE_STATS'] = 'true' 5 | 6 | project 'Runner', { 7 | 'Debug' => :debug, 8 | 'Profile' => :release, 9 | 'Release' => :release, 10 | } 11 | 12 | def flutter_root 13 | generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__) 14 | unless File.exist?(generated_xcode_build_settings_path) 15 | raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first" 16 | end 17 | 18 | File.foreach(generated_xcode_build_settings_path) do |line| 19 | matches = line.match(/FLUTTER_ROOT\=(.*)/) 20 | return matches[1].strip if matches 21 | end 22 | raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\"" 23 | end 24 | 25 | require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root) 26 | 27 | flutter_macos_podfile_setup 28 | 29 | target 'Runner' do 30 | use_frameworks! 31 | use_modular_headers! 32 | 33 | flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__)) 34 | end 35 | 36 | post_install do |installer| 37 | installer.pods_project.targets.each do |target| 38 | flutter_additional_macos_build_settings(target) 39 | end 40 | end 41 | -------------------------------------------------------------------------------- /lib/provider/post/base/item_refresher.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | import 'package:provider/provider.dart'; 3 | import 'package:provider/single_child_widget.dart'; 4 | 5 | typedef ShouldRebuild = bool Function(A notifier, T value); 6 | 7 | class ItemRefresher extends SingleChildStatefulWidget { 8 | final ShouldRebuild _shouldRebuild; 9 | final T value; 10 | 11 | ItemRefresher({ 12 | Key? key, 13 | required this.value, 14 | required ShouldRebuild shouldRebuild, 15 | required this.builder, 16 | Widget? child, 17 | }) : assert(builder != null), 18 | _shouldRebuild = shouldRebuild, 19 | super(key: key, child: child); 20 | 21 | final ValueWidgetBuilder builder; 22 | 23 | @override 24 | _ItemRefresherState createState() => _ItemRefresherState(); 25 | } 26 | 27 | class _ItemRefresherState extends SingleChildState> { 28 | Widget? cache; 29 | Widget? oldWidget; 30 | 31 | @override 32 | Widget buildWithChild(BuildContext context, Widget? child) { 33 | A notifier = Provider.of(context); 34 | var shouldInvalidateCache = oldWidget != widget || 35 | (widget._shouldRebuild != null && 36 | notifier != null && 37 | widget._shouldRebuild.call(notifier, widget.value)); 38 | if (shouldInvalidateCache) { 39 | oldWidget = widget; 40 | cache = widget.builder( 41 | context, 42 | widget.value, 43 | child, 44 | ); 45 | } 46 | return cache!; 47 | } 48 | } 49 | -------------------------------------------------------------------------------- /analysis_options.yaml: -------------------------------------------------------------------------------- 1 | # This file configures the analyzer, which statically analyzes Dart code to 2 | # check for errors, warnings, and lints. 3 | # 4 | # The issues identified by the analyzer are surfaced in the UI of Dart-enabled 5 | # IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be 6 | # invoked from the command line by running `flutter analyze`. 7 | 8 | # The following line activates a set of recommended lints for Flutter apps, 9 | # packages, and plugins designed to encourage good coding practices. 10 | include: package:flutter_lints/flutter.yaml 11 | 12 | linter: 13 | # The lint rules applied to this project can be customized in the 14 | # section below to disable rules from the `package:flutter_lints/flutter.yaml` 15 | # included above or to enable additional rules. A list of all available lints 16 | # and their documentation is published at 17 | # https://dart-lang.github.io/linter/lints/index.html. 18 | # 19 | # Instead of disabling a lint rule for the entire project in the 20 | # section below, it can also be suppressed for a single line of code 21 | # or a specific dart file by using the `// ignore: name_of_lint` and 22 | # `// ignore_for_file: name_of_lint` syntax on the line or in the file 23 | # producing the lint. 24 | rules: 25 | # avoid_print: false # Uncomment to disable the `avoid_print` rule 26 | # prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule 27 | 28 | # Additional information about this file can be found at 29 | # https://dart.dev/guides/language/analysis-options 30 | -------------------------------------------------------------------------------- /macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "16x16", 5 | "idiom" : "mac", 6 | "filename" : "app_icon_16.png", 7 | "scale" : "1x" 8 | }, 9 | { 10 | "size" : "16x16", 11 | "idiom" : "mac", 12 | "filename" : "app_icon_32.png", 13 | "scale" : "2x" 14 | }, 15 | { 16 | "size" : "32x32", 17 | "idiom" : "mac", 18 | "filename" : "app_icon_32.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "32x32", 23 | "idiom" : "mac", 24 | "filename" : "app_icon_64.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "128x128", 29 | "idiom" : "mac", 30 | "filename" : "app_icon_128.png", 31 | "scale" : "1x" 32 | }, 33 | { 34 | "size" : "128x128", 35 | "idiom" : "mac", 36 | "filename" : "app_icon_256.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "256x256", 41 | "idiom" : "mac", 42 | "filename" : "app_icon_256.png", 43 | "scale" : "1x" 44 | }, 45 | { 46 | "size" : "256x256", 47 | "idiom" : "mac", 48 | "filename" : "app_icon_512.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "512x512", 53 | "idiom" : "mac", 54 | "filename" : "app_icon_512.png", 55 | "scale" : "1x" 56 | }, 57 | { 58 | "size" : "512x512", 59 | "idiom" : "mac", 60 | "filename" : "app_icon_1024.png", 61 | "scale" : "2x" 62 | } 63 | ], 64 | "info" : { 65 | "version" : 1, 66 | "author" : "xcode" 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /lib/provider/post/list/post_item_widget2.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_sample/provider/post/data/post_bean.dart'; 3 | import 'package:flutter_sample/provider/post/list/post_item_notifier.dart'; 4 | import 'package:provider/provider.dart'; 5 | 6 | class PostItemWidget2 extends StatelessWidget { 7 | final PostBean? post; 8 | 9 | final void Function(BuildContext context, PostBean? post)? click; 10 | 11 | const PostItemWidget2({Key? key, this.post, this.click}) : super(key: key); 12 | 13 | @override 14 | Widget build(BuildContext context) { 15 | print("PostItemWidget2:build"); 16 | return GestureDetector( 17 | onTap: () => click?.call(context, post), 18 | child: Container( 19 | height: 80, 20 | child: Row( 21 | children: [ 22 | Expanded( 23 | child: Text( 24 | "${post?.content}", 25 | maxLines: 2, 26 | overflow: TextOverflow.ellipsis, 27 | ), 28 | ), 29 | Container( 30 | width: 50, 31 | child: Selector( 32 | selector: (context, itemChange) => post?.isLike ?? false, 33 | shouldRebuild: (pre, next) => pre != next, 34 | builder: (context, isLike, child) { 35 | return Icon( 36 | Icons.favorite, 37 | color: (isLike) ? Colors.red : Colors.grey, 38 | ); 39 | }), 40 | ), 41 | ], 42 | ), 43 | )); 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /ios/Runner/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | flutter_sample 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | $(FLUTTER_BUILD_NAME) 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | UISupportedInterfaceOrientations~ipad 36 | 37 | UIInterfaceOrientationPortrait 38 | UIInterfaceOrientationPortraitUpsideDown 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | UIViewControllerBasedStatusBarAppearance 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 15 | 19 | 23 | 24 | 25 | 26 | 27 | 28 | 30 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /lib/provider/provider_demo_widget1.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | const String providerDemoTitle1 = "Provider示例1"; 4 | const String providerDemoIntroduction1 = "\n\n用InheritedWidget保存数据\n以及访问InheritedWidget拿到数据"; 5 | 6 | class ProviderDemoWidget1 extends StatefulWidget { 7 | const ProviderDemoWidget1({Key? key}) : super(key: key); 8 | 9 | @override 10 | _ProviderDemoWidget1State createState() => _ProviderDemoWidget1State(); 11 | } 12 | 13 | class _ProviderDemoWidget1State extends State { 14 | int _count = 0; 15 | 16 | @override 17 | Widget build(BuildContext context) { 18 | return Scaffold( 19 | appBar: AppBar( 20 | title: const Text(providerDemoTitle1), 21 | ), 22 | body: CountProvider( 23 | count: _count, 24 | child: Center( 25 | child: Column( 26 | mainAxisAlignment: MainAxisAlignment.center, 27 | children: [ 28 | Builder( 29 | builder: (context2) { 30 | /// 读取和显示计数 31 | CountProvider provider = 32 | (context2.getElementForInheritedWidgetOfExactType()?.widget) as CountProvider; 33 | return Text("计数:${provider.count}"); 34 | }, 35 | ), 36 | ElevatedButton( 37 | child: const Text("increment"), 38 | onPressed: () => setState(() => _count++), 39 | ), 40 | const Text(providerDemoIntroduction1), 41 | ], 42 | ), 43 | ), 44 | ), 45 | ); 46 | } 47 | } 48 | 49 | class CountProvider extends InheritedWidget { 50 | final int count; 51 | 52 | const CountProvider({Key? key, required this.count, required Widget child}) : super(key: key, child: child); 53 | 54 | @override 55 | bool updateShouldNotify(CountProvider old) { 56 | return true; 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /lib/provider/provider_demo_widget4.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:provider/provider.dart'; 3 | 4 | const String providerDemoTitle4 = "Provider示例4"; 5 | const String providerDemoIntroduction4 = "\n\n" 6 | "使用第三方的Provider库。\n" 7 | "我们发现与上一个示例的简易版Provider上的使用方法是一致的。正如介绍所描述的非常简单。\n" 8 | "同时也补充一个Cosumer的使用\n" 9 | "当然了Provider库，可维护性，可测试性，可扩展性远比我们所写的强大。\n"; 10 | 11 | class ProviderDemoWidget4 extends StatefulWidget { 12 | ProviderDemoWidget4({Key? key}) : super(key: key); 13 | 14 | @override 15 | _ProviderDemoWidget4State createState() => _ProviderDemoWidget4State(); 16 | } 17 | 18 | class _ProviderDemoWidget4State extends State { 19 | final CountModel _countModel = CountModel(0); 20 | 21 | @override 22 | Widget build(BuildContext context) { 23 | return Scaffold( 24 | appBar: AppBar(title: const Text(providerDemoTitle4)), 25 | body: ChangeNotifierProvider.value( 26 | value: _countModel, 27 | child: Center( 28 | child: Column( 29 | mainAxisAlignment: MainAxisAlignment.center, 30 | children: [ 31 | Consumer( 32 | builder: (contextC, model, child) { 33 | return Text("计数:${model.count}（有依赖情况)"); 34 | }, 35 | ), 36 | Builder(builder: (context2) { 37 | return Text("计数:${Provider.of(context2, listen: false).count}（无依赖情况)"); 38 | }), 39 | ElevatedButton(child: const Text("increment"), onPressed: () => _countModel.increment()), 40 | const Text(providerDemoIntroduction4), 41 | ], 42 | ), 43 | ), 44 | ), 45 | ); 46 | } 47 | } 48 | 49 | class CountModel extends ChangeNotifier { 50 | int count; 51 | 52 | CountModel(this.count); 53 | 54 | void increment() { 55 | count++; 56 | notifyListeners(); 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /lib/provider/post/list/post_list_model.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:flutter_sample/provider/post/base/eventbus_x.dart'; 5 | import 'package:flutter_sample/provider/post/data/post_bean.dart'; 6 | import 'package:flutter_sample/provider/post/data/post_server.dart'; 7 | import 'package:flutter_sample/provider/post/list/post_item_notifier.dart'; 8 | import 'package:pull_to_refresh/pull_to_refresh.dart'; 9 | import 'package:collection/collection.dart'; 10 | 11 | class PostListModel with ChangeNotifier { 12 | var posts = List.empty(growable: true); 13 | 14 | ///smartRefresher的刷新控制器 15 | RefreshController refreshController = RefreshController(); 16 | 17 | ///解除事件监听方法 18 | late VoidCallback _eventDispose; 19 | 20 | /// 单个刷新的ChangeNotifier 21 | late PostNotifier itemChange; 22 | 23 | PostListModel() { 24 | itemChange = new PostNotifier(); 25 | subscribePostLike(); 26 | } 27 | 28 | ///订阅PostLikeEvent 29 | void subscribePostLike() { 30 | StreamSubscription subscription = 31 | eventBus.on().listen((event) { 32 | ///拿到event，更新下当前页面对应post的isLike状态 33 | var post = posts.firstWhereOrNull((post) => post.id == event.id); 34 | post?.isLike = event.isLike; 35 | itemChange.id = event.id; 36 | itemChange.notifyListeners(); 37 | }); 38 | _eventDispose = () => subscription.cancel(); 39 | } 40 | 41 | ///加载数据 42 | void loadData({VoidCallback? callback}) { 43 | PostServer.instance().loadPosts().then((jsonList) { 44 | posts = jsonList.map((json) => PostBean.map(json)).toList(); 45 | notifyListeners(); 46 | callback?.call(); 47 | }).catchError((e) => print(e)); 48 | } 49 | 50 | ///下拉刷新，数据获取到后，通知smartRefresher 51 | void refresh() { 52 | loadData(callback: () => refreshController.refreshCompleted()); 53 | } 54 | 55 | ///ChangeNotifier的 解除监听方法。 56 | @override 57 | void dispose() { 58 | super.dispose(); 59 | _eventDispose.call(); 60 | } 61 | } 62 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # The .vscode folder contains launch configuration and tasks you configure in 19 | # VS Code which you may wish to be included in version control, so this line 20 | # is commented out by default. 21 | #.vscode/ 22 | 23 | # Flutter/Dart/Pub related 24 | **/doc/api/ 25 | .dart_tool/ 26 | .flutter-plugins 27 | .packages 28 | .pub-cache/ 29 | .pub/ 30 | /build/ 31 | 32 | # Android related 33 | **/android/**/gradle-wrapper.jar 34 | **/android/.gradle 35 | **/android/captures/ 36 | **/android/gradlew 37 | **/android/gradlew.bat 38 | **/android/local.properties 39 | **/android/**/GeneratedPluginRegistrant.java 40 | 41 | # iOS/XCode related 42 | **/ios/**/*.mode1v3 43 | **/ios/**/*.mode2v3 44 | **/ios/**/*.moved-aside 45 | **/ios/**/*.pbxuser 46 | **/ios/**/*.perspectivev3 47 | **/ios/**/*sync/ 48 | **/ios/**/.sconsign.dblite 49 | **/ios/**/.tags* 50 | **/ios/**/.vagrant/ 51 | **/ios/**/DerivedData/ 52 | **/ios/**/Icon? 53 | **/ios/**/Pods/ 54 | **/ios/**/.symlinks/ 55 | **/ios/**/profile 56 | **/ios/**/xcuserdata 57 | **/ios/.generated/ 58 | **/ios/Flutter/App.framework 59 | **/ios/Flutter/Flutter.framework 60 | **/ios/Flutter/Generated.xcconfig 61 | **/ios/Flutter/app.flx 62 | **/ios/Flutter/app.zip 63 | **/ios/Flutter/flutter_assets/ 64 | **/ios/Flutter/flutter_export_environment.sh 65 | **/ios/ServiceDefinitions.json 66 | **/ios/Runner/GeneratedPluginRegistrant.* 67 | 68 | # Exceptions to above rules. 69 | !**/ios/**/default.mode1v3 70 | !**/ios/**/default.mode2v3 71 | !**/ios/**/default.pbxuser 72 | !**/ios/**/default.perspectivev3 73 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 74 | 75 | 76 | *.pyc 77 | *sync/ 78 | Icon? 79 | .tags* 80 | 81 | build/ 82 | .android/ 83 | .ios/ 84 | .flutter-plugins 85 | .gradle/ 86 | 87 | 88 | *.iml 89 | *.iml 90 | 91 | local.properties 92 | pubspec.lock 93 | local.properties 94 | flutter_page.iml 95 | .flutter-plugins-dependencies 96 | .vscode -------------------------------------------------------------------------------- /lib/main_provider.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_sample/provider/provider_demo_widget1.dart'; 3 | import 'package:flutter_sample/provider/provider_demo_widget2.dart'; 4 | import 'package:flutter_sample/provider/provider_demo_widget3.dart'; 5 | import 'package:flutter_sample/provider/provider_demo_widget4.dart'; 6 | import 'package:flutter_sample/provider/selector/selector_demo_widget.dart'; 7 | import 'package:flutter_sample/provider/set_state_demo_widget.dart'; 8 | 9 | import 'provider/post/list/post_list_widget.dart'; 10 | 11 | /// 12 | ///Provider V3 13 | ///官方推荐库 14 | ///待优化 15 | /// 16 | void main() => runApp(MaterialApp( 17 | home: Scaffold( 18 | appBar: AppBar( 19 | title: const Text("Provider"), 20 | ), 21 | body: MainProviderWidget(), 22 | ), 23 | )); 24 | 25 | class MainProviderWidget extends StatefulWidget { 26 | @override 27 | _MainProviderWidgetState createState() => new _MainProviderWidgetState(); 28 | } 29 | 30 | class _MainProviderWidgetState extends State { 31 | @override 32 | Widget build(BuildContext context) { 33 | return Center( 34 | child: Column( 35 | mainAxisAlignment: MainAxisAlignment.center, 36 | children: [ 37 | _build(context, setStateDemoTitle, SetStateDemoWidget()), 38 | _build(context, providerDemoTitle1, const ProviderDemoWidget1()), 39 | _build(context, providerDemoTitle2, ProviderDemoWidget2()), 40 | _build(context, providerDemoTitle3, ProviderDemoWidget3()), 41 | _build(context, providerDemoTitle4, ProviderDemoWidget4()), 42 | _build(context, "代码应用(简易社区)", PostListWidget()), 43 | _build(context, "Selector使用", SelectorDemoWidget()), 44 | ], 45 | ), 46 | ); 47 | } 48 | 49 | Widget _build(BuildContext context, String text, Widget newRouteWidget) { 50 | return ElevatedButton( 51 | child: Text(text), 52 | onPressed: () => Navigator.of(context).push(MaterialPageRoute( 53 | builder: (context) => newRouteWidget, 54 | )), 55 | ); 56 | } 57 | } 58 | -------------------------------------------------------------------------------- /lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | import 'provider/post/list/post_list_widget.dart'; 4 | import 'provider/provider_demo_widget1.dart'; 5 | import 'provider/provider_demo_widget2.dart'; 6 | import 'provider/provider_demo_widget3.dart'; 7 | import 'provider/provider_demo_widget4.dart'; 8 | import 'provider/selector/selector_demo_widget.dart'; 9 | import 'provider/set_state_demo_widget.dart'; 10 | 11 | void main() => runApp(MyApp()); 12 | 13 | class MyApp extends StatelessWidget { 14 | // This widget is the root of your application. 15 | @override 16 | Widget build(BuildContext context) { 17 | return MaterialApp( 18 | title: 'Flutter Demo', 19 | home: MyHomePage(title: 'Flutter Demo Home Page'), 20 | ); 21 | } 22 | } 23 | 24 | class MyHomePage extends StatefulWidget { 25 | MyHomePage({Key? key, required this.title}) : super(key: key); 26 | final String title; 27 | 28 | @override 29 | _MyHomePageState createState() => _MyHomePageState(); 30 | } 31 | 32 | class _MyHomePageState extends State { 33 | @override 34 | Widget build(BuildContext context) { 35 | return Scaffold( 36 | appBar: AppBar( 37 | title: Text(widget.title), 38 | ), 39 | body: Column( 40 | children: [ 41 | _build(context, setStateDemoTitle, SetStateDemoWidget()), 42 | _build(context, providerDemoTitle1, const ProviderDemoWidget1()), 43 | _build(context, providerDemoTitle2, ProviderDemoWidget2()), 44 | _build(context, providerDemoTitle3, ProviderDemoWidget3()), 45 | _build(context, providerDemoTitle4, ProviderDemoWidget4()), 46 | _build(context, "代码应用(简易社区)", PostListWidget()), 47 | _build(context, "Selector使用", SelectorDemoWidget()), 48 | ], 49 | )); 50 | } 51 | 52 | Widget _build(BuildContext context, String text, Widget newRouteWidget) { 53 | return ElevatedButton( 54 | child: Text(text), 55 | onPressed: () => Navigator.of(context).push(MaterialPageRoute( 56 | builder: (context) => newRouteWidget, 57 | )), 58 | ); 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: flutter_sample 2 | description: A new Flutter application. 3 | 4 | # The following defines the version and build number for your application. 5 | # A version number is three numbers separated by dots, like 1.2.43 6 | # followed by an optional build number separated by a +. 7 | # Both the version and the builder number may be overridden in flutter 8 | # build by specifying --build-name and --build-number, respectively. 9 | # In Android, build-name is used as versionName while build-number used as versionCode. 10 | # Read more about Android versioning at https://developer.android.com/studio/publish/versioning 11 | # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion. 12 | # Read more about iOS versioning at 13 | # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html 14 | version: 1.0.0+1 15 | 16 | environment: 17 | sdk: ">=2.15.1 <3.0.0" 18 | 19 | dependencies: 20 | flutter: 21 | sdk: flutter 22 | 23 | #https://pub.dev/packages/provider 24 | provider: ^6.0.2 25 | 26 | # https://pub.dev/packages/scoped_model 27 | scoped_model: ^1.1.0 28 | 29 | #https://pub.dev/packages/redux 30 | #https://pub.dev/packages/flutter_redux 31 | redux: ^5.0.0 32 | flutter_redux: ^0.8.2 33 | 34 | # The following adds the Cupertino Icons font to your application. 35 | # Use with the CupertinoIcons class for iOS style icons. 36 | cupertino_icons: ^1.0.2 37 | 38 | #https://pub.dev/packages/rxdart 39 | rxdart: ^0.27.3 40 | 41 | dio: ^4.0.4 42 | video_player: ^2.2.14 43 | # chewie: ^0.9.8+1 44 | event_bus: ^2.0.0 45 | pull_to_refresh: ^2.0.0 46 | 47 | dev_dependencies: 48 | flutter_test: 49 | sdk: flutter 50 | flutter_lints: ^1.0.0 51 | 52 | # For information on the generic Dart part of this file, see the 53 | # following page: https://dart.dev/tools/pub/pubspec 54 | 55 | # The following section is specific to Flutter. 56 | flutter: 57 | # The following line ensures that the Material Icons font is 58 | # included with your application, so that you can use the icons in 59 | # the material Icons class. 60 | uses-material-design: true 61 | -------------------------------------------------------------------------------- /android/app/build.gradle: -------------------------------------------------------------------------------- 1 | def localProperties = new Properties() 2 | def localPropertiesFile = rootProject.file('local.properties') 3 | if (localPropertiesFile.exists()) { 4 | localPropertiesFile.withReader('UTF-8') { reader -> 5 | localProperties.load(reader) 6 | } 7 | } 8 | 9 | def flutterRoot = localProperties.getProperty('flutter.sdk') 10 | if (flutterRoot == null) { 11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") 12 | } 13 | 14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode') 15 | if (flutterVersionCode == null) { 16 | flutterVersionCode = '1' 17 | } 18 | 19 | def flutterVersionName = localProperties.getProperty('flutter.versionName') 20 | if (flutterVersionName == null) { 21 | flutterVersionName = '1.0' 22 | } 23 | 24 | apply plugin: 'com.android.application' 25 | apply plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion flutter.compileSdkVersion 30 | 31 | compileOptions { 32 | sourceCompatibility JavaVersion.VERSION_1_8 33 | targetCompatibility JavaVersion.VERSION_1_8 34 | } 35 | 36 | kotlinOptions { 37 | jvmTarget = '1.8' 38 | } 39 | 40 | sourceSets { 41 | main.java.srcDirs += 'src/main/kotlin' 42 | } 43 | 44 | defaultConfig { 45 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 46 | applicationId "com.nicomama.flutter_sample" 47 | minSdkVersion flutter.minSdkVersion 48 | targetSdkVersion flutter.targetSdkVersion 49 | versionCode flutterVersionCode.toInteger() 50 | versionName flutterVersionName 51 | } 52 | 53 | buildTypes { 54 | release { 55 | // TODO: Add your own signing config for the release build. 56 | // Signing with the debug keys for now, so `flutter run --release` works. 57 | signingConfig signingConfigs.debug 58 | } 59 | } 60 | } 61 | 62 | flutter { 63 | source '../..' 64 | } 65 | 66 | dependencies { 67 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 68 | } 69 | -------------------------------------------------------------------------------- /lib/statemanager/scoped_model_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:scoped_model/scoped_model.dart'; 3 | 4 | /// 5 | ///ScopedModel 原理等价于Provider 6 | /// 7 | void main() => runApp(MaterialApp( 8 | home: Scaffold( 9 | appBar: AppBar( 10 | title: Text("ProviderWidget"), 11 | ), 12 | body: ScopedModelWidget(), 13 | ), 14 | )); 15 | 16 | class ScopedModelWidget extends StatefulWidget { 17 | @override 18 | _ScopedModelWidgetState createState() => new _ScopedModelWidgetState(); 19 | } 20 | 21 | class _ScopedModelWidgetState extends State { 22 | ShareModel _shareModel = new ShareModel(0); 23 | 24 | @override 25 | Widget build(BuildContext context) { 26 | print("_ProviderWidget build context:$context}"); 27 | return Center( 28 | child: ScopedModel( 29 | model: _shareModel, 30 | child: Column( 31 | mainAxisAlignment: MainAxisAlignment.center, 32 | children: [ 33 | ScopedModelDescendant( 34 | builder: (context2, child, model) { 35 | print("__TestWidgetState build context:$context2"); 36 | return Text( 37 | model.count.toString(), 38 | style: TextStyle(fontSize: 40), 39 | ); 40 | }, 41 | ), 42 | Builder( 43 | builder: (context2) { 44 | print("__TestButtonState build context:$context2}"); 45 | return ElevatedButton( 46 | child: Text( 47 | "Increment (current:${ScopedModel.of(context2, rebuildOnChange: true)?.count.toString()})"), 48 | // "Increment (current)"), 49 | onPressed: () { 50 | ScopedModel.of(context2, 51 | rebuildOnChange: false) 52 | .increment(); 53 | }); 54 | }, 55 | ), 56 | ], 57 | ), 58 | ), 59 | ); 60 | } 61 | } 62 | 63 | 64 | 65 | class ShareModel extends Model { 66 | int count; 67 | 68 | ShareModel(this.count); 69 | 70 | void increment() { 71 | count++; 72 | notifyListeners(); 73 | } 74 | } 75 | -------------------------------------------------------------------------------- /lib/provider/post/detail/post_detail_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_sample/provider/post/detail/post_detail_model.dart'; 3 | import 'package:provider/provider.dart'; 4 | 5 | class PostDetailWidget extends StatefulWidget { 6 | int id; 7 | 8 | PostDetailWidget({Key? key, required this.id}) : super(key: key); 9 | 10 | @override 11 | _PostDetailWidgetState createState() => _PostDetailWidgetState(); 12 | } 13 | 14 | class _PostDetailWidgetState extends State { 15 | late PostDetailModel _detailModel; 16 | 17 | @override 18 | void initState() { 19 | super.initState(); 20 | _detailModel = PostDetailModel()..initPost(widget.id); 21 | } 22 | 23 | @override 24 | Widget build(BuildContext context) { 25 | return ChangeNotifierProvider.value( 26 | value: _detailModel, 27 | child: Scaffold( 28 | appBar: AppBar( 29 | title: Text("帖子详情"), 30 | actions: [ 31 | Consumer( 32 | builder: (context, model, child) { 33 | var post = model.post; 34 | if (post == null) { 35 | return Container(); 36 | } 37 | return GestureDetector( 38 | onTap: () => 39 | model.likePost(!(model.post?.isLike ?? false)), 40 | child: Icon( 41 | Icons.favorite, 42 | color: post.isLike ? Colors.red : Colors.white, 43 | )); 44 | }, 45 | ), 46 | Container( 47 | width: 30, 48 | ) 49 | ], 50 | ), 51 | body: Container( 52 | padding: EdgeInsets.all(20), 53 | child: Consumer( 54 | builder: (context, model, child) { 55 | var post = model.post; 56 | if (post == null) { 57 | return Container(); 58 | } 59 | return SingleChildScrollView( 60 | child: Text( 61 | "${post.content}", 62 | style: TextStyle(fontSize: 18, height: 1.4), 63 | ), 64 | ); 65 | }, 66 | ), 67 | )), 68 | ); 69 | } 70 | } 71 | -------------------------------------------------------------------------------- /lib/provider/selector/selector_demo_widget.dart: -------------------------------------------------------------------------------- 1 | import 'dart:collection'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:provider/provider.dart'; 5 | 6 | class SelectorDemoWidget extends StatefulWidget { 7 | SelectorDemoWidget({Key? key}) : super(key: key); 8 | 9 | @override 10 | _SelectorDemoWidgetState createState() => _SelectorDemoWidgetState(); 11 | } 12 | 13 | class _SelectorDemoWidgetState extends State { 14 | CountModel _model = CountModel()..initData(); 15 | 16 | @override 17 | void initState() { 18 | super.initState(); 19 | _model = CountModel()..initData(); 20 | } 21 | 22 | @override 23 | Widget build(BuildContext context) { 24 | List _children = _model.contentMap.keys 25 | .map((key) => CountItemWidget(content: key)) 26 | .toList(); 27 | return Scaffold( 28 | appBar: AppBar( 29 | title: Text("Selector示例"), 30 | ), 31 | body: ChangeNotifierProvider.value( 32 | value: _model, 33 | child: ListView(children: _children), 34 | )); 35 | } 36 | } 37 | 38 | class CountItemWidget extends StatelessWidget { 39 | final String content; 40 | 41 | CountItemWidget({required this.content}); 42 | 43 | @override 44 | Widget build(BuildContext context) { 45 | print("CountItemWidget:build"); 46 | return Container( 47 | height: 80, 48 | padding: EdgeInsets.all(15), 49 | alignment: Alignment.center, 50 | child: ElevatedButton( 51 | onPressed: () => 52 | Provider.of(context, listen: false).increment(content), 53 | child: Selector( 54 | selector: (context, model) => model.contentMap[content]!, 55 | shouldRebuild: (preCount, nextCount) => preCount != nextCount, 56 | builder: (context, count, child) { 57 | print("$content Selector:builder"); 58 | return Text("$content : $count"); 59 | }), 60 | ), 61 | ); 62 | } 63 | } 64 | 65 | class CountModel extends ChangeNotifier { 66 | Map contentMap = SplayTreeMap(); 67 | 68 | initData() { 69 | contentMap["a"] = 0; 70 | contentMap["b"] = 0; 71 | contentMap["c"] = 0; 72 | } 73 | 74 | increment(String content) { 75 | if (contentMap.containsKey(content)) { 76 | contentMap[content] = contentMap[content]! + 1; 77 | notifyListeners(); 78 | } 79 | } 80 | } 81 | -------------------------------------------------------------------------------- /ios/Runner/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /lib/statemanager/provider_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:provider/provider.dart'; 3 | 4 | /// 5 | ///Provider V3 6 | ///官方推荐库 7 | ///待优化 8 | /// 9 | void main() => runApp(MaterialApp( 10 | home: Scaffold( 11 | appBar: AppBar( 12 | title: Text("ProviderWidget"), 13 | ), 14 | body: InheritedWidgetTestRoute(), 15 | ), 16 | )); 17 | 18 | class InheritedWidgetTestRoute extends StatefulWidget { 19 | const InheritedWidgetTestRoute({Key? key}) : super(key: key); 20 | 21 | @override 22 | _InheritedWidgetTestRouteState createState() => 23 | _InheritedWidgetTestRouteState(); 24 | } 25 | 26 | class _InheritedWidgetTestRouteState extends State { 27 | ShareModelWithNotifier _shareDataWithNotifier = ShareModelWithNotifier(0); 28 | 29 | @override 30 | Widget build(BuildContext context) { 31 | print("_ProviderWidget build context:$context}"); 32 | return Center( 33 | child: ChangeNotifierProvider.value( 34 | value: _shareDataWithNotifier, 35 | child: Column( 36 | mainAxisAlignment: MainAxisAlignment.center, 37 | children: [ 38 | Consumer( 39 | builder: (context2, model, child) { 40 | print("__TestWidgetState build context:$context2"); 41 | return Text( 42 | model.count.toString(), 43 | style:const TextStyle(fontSize: 40), 44 | ); 45 | }, 46 | ), 47 | Builder( 48 | builder: (context2) { 49 | print("__TestButtonState build context:$context2}"); 50 | return ElevatedButton( 51 | child: Text( 52 | "Increment (current:${Provider.of(context2, listen: true).count.toString()})"), 53 | // "Increment (current)"), 54 | onPressed: () { 55 | Provider.of(context2, 56 | listen: true) 57 | .increment(); 58 | }); 59 | }, 60 | ), 61 | ], 62 | ), 63 | ), 64 | ); 65 | } 66 | } 67 | 68 | class ShareModelWithNotifier with ChangeNotifier { 69 | int count; 70 | 71 | ShareModelWithNotifier(this.count); 72 | 73 | void increment() { 74 | count++; 75 | notifyListeners(); 76 | } 77 | } 78 | -------------------------------------------------------------------------------- /lib/statemanager/bloc_widget.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | /// 6 | /// 7 | void main() => runApp(MaterialApp( 8 | home: Scaffold( 9 | appBar: AppBar( 10 | title: Text("BLocWidget"), 11 | ), 12 | body: BLocWidget(), 13 | ), 14 | )); 15 | 16 | class BLocWidget extends StatefulWidget { 17 | @override 18 | _BLocWidgetState createState() => new _BLocWidgetState(); 19 | } 20 | 21 | class _BLocWidgetState extends State { 22 | final _bloc = ShareBLoC(); 23 | 24 | @override 25 | Widget build(BuildContext context) { 26 | print("_BLocWidget build context:$context}"); 27 | return Center( 28 | child: ShareProvider( 29 | shareBloc: _bloc, 30 | child: StreamBuilder( 31 | stream: _bloc.stream, 32 | initialData: 0, 33 | builder: (context2, snapshot) { 34 | return Column( 35 | mainAxisAlignment: MainAxisAlignment.center, 36 | children: [ 37 | Text( 38 | "${snapshot.data}", 39 | style: TextStyle(fontSize: 40), 40 | ), 41 | ElevatedButton( 42 | child: Text("Increment (current:${snapshot.data})"), 43 | onPressed: () { 44 | ShareProvider.of(context2).increment(); 45 | // _bloc.increment(); 46 | }), 47 | ]); 48 | }), 49 | )); 50 | } 51 | } 52 | 53 | class ShareBLoC { 54 | late int _count ; 55 | late StreamController _countController; 56 | 57 | ShareBLoC() { 58 | _count = 0; 59 | _countController = StreamController(); 60 | } 61 | 62 | Stream get stream => _countController.stream; 63 | 64 | increment() { 65 | _countController.sink.add(++_count); 66 | } 67 | 68 | dispose() { 69 | _countController.close(); 70 | } 71 | } 72 | 73 | class ShareProvider extends InheritedWidget { 74 | final ShareBLoC shareBloc; 75 | 76 | ShareProvider({ 77 | Key? key, 78 | ShareBLoC? shareBloc, 79 | required Widget child, 80 | }) : shareBloc = shareBloc ?? ShareBLoC(), 81 | super(key: key, child: child); 82 | 83 | @override 84 | bool updateShouldNotify(InheritedWidget oldWidget) => true; 85 | 86 | static ShareBLoC of(BuildContext context) => 87 | (context.dependOnInheritedWidgetOfExactType(aspect:ShareProvider) as ShareProvider) 88 | .shareBloc; 89 | } 90 | -------------------------------------------------------------------------------- /lib/statemanager/bloc_rxdart_widget.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:flutter/material.dart'; 4 | import 'package:rxdart/rxdart.dart'; 5 | 6 | /// 7 | /// 8 | void main() => runApp(MaterialApp( 9 | home: Scaffold( 10 | appBar: AppBar( 11 | title: Text("BLocRxDartWidget"), 12 | ), 13 | body: BLocRxDartWidget(), 14 | ), 15 | )); 16 | 17 | class BLocRxDartWidget extends StatefulWidget { 18 | @override 19 | _BLocRxDartWidgetState createState() => new _BLocRxDartWidgetState(); 20 | } 21 | 22 | class _BLocRxDartWidgetState extends State { 23 | final _bloc = ShareBLoC(); 24 | 25 | @override 26 | Widget build(BuildContext context) { 27 | print("_BLocWidget build context:$context}"); 28 | return Center( 29 | child: ShareProvider( 30 | shareBloc: _bloc, 31 | child: StreamBuilder( 32 | stream: _bloc._countStream, 33 | initialData: 0, 34 | builder: (context2, snapshot) { 35 | return Column( 36 | mainAxisAlignment: MainAxisAlignment.center, 37 | children: [ 38 | Text( 39 | "${snapshot.data}", 40 | style: TextStyle(fontSize: 40), 41 | ), 42 | ElevatedButton( 43 | child: Text("Increment (current:${snapshot.data})"), 44 | onPressed: () { 45 | ShareProvider.of(context2).increment(); 46 | }), 47 | ]); 48 | }), 49 | )); 50 | } 51 | } 52 | 53 | class ShareBLoC { 54 | int _count = 0; 55 | 56 | final BehaviorSubject _countSubject = BehaviorSubject(); 57 | 58 | Stream get _countStream => _countSubject.stream; 59 | 60 | ShareBLoC(); 61 | 62 | void dispose() { 63 | _countSubject.close(); 64 | } 65 | 66 | increment() { 67 | _countSubject.sink.add(++_count); 68 | } 69 | } 70 | 71 | class ShareProvider extends InheritedWidget { 72 | final ShareBLoC shareBloc; 73 | 74 | ShareProvider({ 75 | Key? key, 76 | ShareBLoC? shareBloc, 77 | required Widget child, 78 | }) : shareBloc = shareBloc ?? ShareBLoC(), 79 | super(key: key, child: child); 80 | 81 | @override 82 | bool updateShouldNotify(InheritedWidget oldWidget) => true; 83 | 84 | static ShareBLoC of(BuildContext context) => 85 | (context.dependOnInheritedWidgetOfExactType(aspect: ShareProvider) 86 | as ShareProvider) 87 | .shareBloc; 88 | } 89 | -------------------------------------------------------------------------------- /lib/eventbus/my_event_bus.dart: -------------------------------------------------------------------------------- 1 | abstract class IPublisher { 2 | void post(T event); 3 | } 4 | 5 | typedef ISubscriber = void Function(T event); 6 | 7 | abstract class IEventBus extends IPublisher { 8 | void register(ISubscriber subscriber); 9 | 10 | void unregister(ISubscriber subscriber); 11 | } 12 | 13 | Type typeOf() => T; 14 | 15 | class MyEventBus1 implements IEventBus { 16 | Map> map = new Map(); 17 | 18 | @override 19 | void register(ISubscriber subscriber) { 20 | Type type = typeOf(); 21 | if (!map.containsKey(type)) { 22 | map[type] = List.empty(growable: true); 23 | } 24 | map[type]?.add(subscriber); 25 | } 26 | 27 | @override 28 | void unregister(ISubscriber subscriber) { 29 | Type type = typeOf(); 30 | if (map.containsKey(type)) { 31 | map[type]?.remove(subscriber); 32 | } 33 | } 34 | 35 | @override 36 | void post(T event) { 37 | Type type = typeOf(); 38 | if (map.containsKey(type)) { 39 | var subscribers = map[type]; 40 | subscribers?.forEach((subscriber) => subscriber.call(event)); 41 | } 42 | } 43 | } 44 | 45 | class MyEventBus2 implements IEventBus { 46 | List subscribers = List.empty(growable: true); 47 | 48 | @override 49 | register(ISubscriber subscriber) { 50 | if (!subscribers.contains(subscriber)) { 51 | subscribers.add(subscriber); 52 | } 53 | } 54 | 55 | @override 56 | unregister(ISubscriber subscriber) { 57 | if (subscribers.contains(subscriber)) { 58 | subscribers.remove(subscriber); 59 | } 60 | } 61 | 62 | @override 63 | post(T event) { 64 | var ints = subscribers.whereType>(); 65 | for (var subscriber in ints) { 66 | subscriber.call(event); 67 | } 68 | } 69 | } 70 | 71 | class EventX {} 72 | 73 | class EventY {} 74 | 75 | //main() { 76 | // testEventBus(new MyEventBus1()); 77 | // print("--------------------"); 78 | // testEventBus(new MyEventBus2()); 79 | //} 80 | // 81 | //void testEventBus(IEventBus eventBus) { 82 | // ISubscriber subscriber1 = (event) => print(event.toString()); 83 | // ISubscriber subscriber2 = (event) => print(event.toString()); 84 | // eventBus.register(subscriber1); 85 | // eventBus.register(subscriber2); 86 | // eventBus.unregister(subscriber1); 87 | // 88 | // ISubscriber subscriber3 = (event) => print(event.toString()); 89 | // ISubscriber subscriber4 = (event) => print(event.toString()); 90 | // eventBus.register(subscriber3); 91 | // eventBus.register(subscriber4); 92 | // 93 | // eventBus.post(new EventX()); 94 | // eventBus.post(new EventY()); 95 | //} 96 | -------------------------------------------------------------------------------- /lib/statemanager/redux_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_redux/flutter_redux.dart'; 3 | import 'package:provider/provider.dart'; 4 | import 'package:redux/redux.dart'; 5 | 6 | /// 7 | /// 8 | void main() => runApp(MaterialApp( 9 | home: Scaffold( 10 | appBar: AppBar( 11 | title: Text("ReduxWidget"), 12 | ), 13 | body: ReduxWidgetPage(), 14 | ), 15 | )); 16 | 17 | class ReduxWidgetPage extends StatefulWidget { 18 | @override 19 | _ReduxWidgetPageState createState() => new _ReduxWidgetPageState(); 20 | } 21 | 22 | class _ReduxWidgetPageState extends State { 23 | final _store = Store(shareDataReducer, initialState: ShareData(0)); 24 | 25 | @override 26 | Widget build(BuildContext context) { 27 | print("_ReduxWidget build context:$context}"); 28 | return Center( 29 | child: StoreProvider( 30 | store: _store, 31 | child: Column( 32 | mainAxisAlignment: MainAxisAlignment.center, 33 | children: [ 34 | StoreConnector( 35 | converter: (store) => store.state.count, 36 | builder: (context2, count) { 37 | print("__TestWidgetState build context:$context2"); 38 | return Text( 39 | "$count", 40 | style: TextStyle(fontSize: 40), 41 | ); 42 | }, 43 | ), 44 | StoreConnector( 45 | converter: (store) => 46 | (step) => store.dispatch(IncrementCountAction(step)), 47 | builder: (context2, calback) { 48 | print("__TestWidgetState build context:$context2"); 49 | return ElevatedButton( 50 | child: Text( 51 | "Increment (current:${ StoreProvider.of(context2,listen: true).state.count})"), 52 | // "Increment (current)"), 53 | onPressed: () { 54 | calback(2); 55 | }); 56 | }, 57 | ), 58 | ], 59 | ), 60 | ), 61 | ); 62 | } 63 | } 64 | 65 | class ShareData { 66 | int count = 0; 67 | 68 | ShareData(this.count); 69 | 70 | void increment(int step) { 71 | count = count + step; 72 | } 73 | 74 | ShareData.clone(ShareData state) { 75 | count = state.count; 76 | } 77 | } 78 | 79 | typedef incrementCallBack = void Function(int step); 80 | 81 | class IncrementCountAction { 82 | final int step; 83 | 84 | IncrementCountAction(this.step); 85 | } 86 | 87 | // The reducer, which takes the previous count and increments it in response 88 | // to an Increment action. 89 | ShareData shareDataReducer(ShareData state, dynamic action) { 90 | if (action is IncrementCountAction) { 91 | print('action increment count!'); 92 | // Reducer always returns a state,never mutating the old 93 | return ShareData.clone(state)..increment(action.step); 94 | } 95 | return state; 96 | } 97 | -------------------------------------------------------------------------------- /lib/eventbus/eventbus_demo_widget1.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_sample/eventbus/my_event_bus.dart'; 3 | import 'package:flutter_sample/provider/post/base/eventbus_x.dart'; 4 | 5 | final String eventBusDemo1Title = "自定义EventBus"; 6 | MyEventBus1 _eventBus = new MyEventBus1(); 7 | 8 | class EventBusDemoWidget1 extends StatefulWidget { 9 | EventBusDemoWidget1({Key? key}) : super(key: key); 10 | 11 | @override 12 | _EventBusDemoWidget1State createState() => _EventBusDemoWidget1State(); 13 | } 14 | 15 | class _EventBusDemoWidget1State extends State { 16 | @override 17 | Widget build(BuildContext context) { 18 | return Scaffold( 19 | appBar: AppBar( 20 | title: Text(eventBusDemo1Title), 21 | ), 22 | body: Container( 23 | child: Column( 24 | children: [ 25 | Row( 26 | children: [ 27 | new ButtonWidget(event: new EventA()), 28 | new TextWidget(), 29 | new TextWidget() 30 | ], 31 | ), 32 | Divider( 33 | color: Colors.grey, 34 | ), 35 | Row( 36 | children: [ 37 | new ButtonWidget(event: new EventB()), 38 | new TextWidget(), 39 | new TextWidget() 40 | ], 41 | ) 42 | ], 43 | ), 44 | ), 45 | ); 46 | } 47 | } 48 | 49 | class BaseEvent { 50 | int count = 0; 51 | } 52 | 53 | class EventA extends BaseEvent {} 54 | 55 | class EventB extends BaseEvent {} 56 | 57 | class ButtonWidget extends StatelessWidget { 58 | late T? event ; 59 | 60 | ButtonWidget({Key? key, this.event}) : super(key: key); 61 | 62 | @override 63 | Widget build(BuildContext context) { 64 | return ElevatedButton( 65 | child: Text("increment"), 66 | onPressed: _increment, 67 | ); 68 | } 69 | 70 | void _increment() { 71 | if (event != null) { 72 | event?.count++; 73 | print(event?.count); 74 | _eventBus.post(event); 75 | } 76 | } 77 | } 78 | 79 | class TextWidget extends StatefulWidget { 80 | @override 81 | _TextWidgetState createState() { 82 | return _TextWidgetState(); 83 | } 84 | } 85 | 86 | class _TextWidgetState extends State> { 87 | int _count = 0; 88 | late ISubscriber _subscriber; 89 | 90 | @override 91 | void initState() { 92 | super.initState(); 93 | 94 | _subscriber = 95 | (event) => setState(() => _count = (event as BaseEvent).count); 96 | _eventBus.register(_subscriber); 97 | } 98 | 99 | @override 100 | Widget build(BuildContext context) { 101 | print(typeOf()); 102 | return Text( 103 | " $_count ", 104 | style: TextStyle(fontSize: 18), 105 | ); 106 | } 107 | 108 | @override 109 | void dispose() { 110 | super.dispose(); 111 | _eventBus.unregister(_subscriber); 112 | } 113 | } 114 | -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "20x20", 5 | "idiom" : "iphone", 6 | "filename" : "Icon-App-20x20@2x.png", 7 | "scale" : "2x" 8 | }, 9 | { 10 | "size" : "20x20", 11 | "idiom" : "iphone", 12 | "filename" : "Icon-App-20x20@3x.png", 13 | "scale" : "3x" 14 | }, 15 | { 16 | "size" : "29x29", 17 | "idiom" : "iphone", 18 | "filename" : "Icon-App-29x29@1x.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "29x29", 23 | "idiom" : "iphone", 24 | "filename" : "Icon-App-29x29@2x.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "29x29", 29 | "idiom" : "iphone", 30 | "filename" : "Icon-App-29x29@3x.png", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "size" : "40x40", 35 | "idiom" : "iphone", 36 | "filename" : "Icon-App-40x40@2x.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "40x40", 41 | "idiom" : "iphone", 42 | "filename" : "Icon-App-40x40@3x.png", 43 | "scale" : "3x" 44 | }, 45 | { 46 | "size" : "60x60", 47 | "idiom" : "iphone", 48 | "filename" : "Icon-App-60x60@2x.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "60x60", 53 | "idiom" : "iphone", 54 | "filename" : "Icon-App-60x60@3x.png", 55 | "scale" : "3x" 56 | }, 57 | { 58 | "size" : "20x20", 59 | "idiom" : "ipad", 60 | "filename" : "Icon-App-20x20@1x.png", 61 | "scale" : "1x" 62 | }, 63 | { 64 | "size" : "20x20", 65 | "idiom" : "ipad", 66 | "filename" : "Icon-App-20x20@2x.png", 67 | "scale" : "2x" 68 | }, 69 | { 70 | "size" : "29x29", 71 | "idiom" : "ipad", 72 | "filename" : "Icon-App-29x29@1x.png", 73 | "scale" : "1x" 74 | }, 75 | { 76 | "size" : "29x29", 77 | "idiom" : "ipad", 78 | "filename" : "Icon-App-29x29@2x.png", 79 | "scale" : "2x" 80 | }, 81 | { 82 | "size" : "40x40", 83 | "idiom" : "ipad", 84 | "filename" : "Icon-App-40x40@1x.png", 85 | "scale" : "1x" 86 | }, 87 | { 88 | "size" : "40x40", 89 | "idiom" : "ipad", 90 | "filename" : "Icon-App-40x40@2x.png", 91 | "scale" : "2x" 92 | }, 93 | { 94 | "size" : "76x76", 95 | "idiom" : "ipad", 96 | "filename" : "Icon-App-76x76@1x.png", 97 | "scale" : "1x" 98 | }, 99 | { 100 | "size" : "76x76", 101 | "idiom" : "ipad", 102 | "filename" : "Icon-App-76x76@2x.png", 103 | "scale" : "2x" 104 | }, 105 | { 106 | "size" : "83.5x83.5", 107 | "idiom" : "ipad", 108 | "filename" : "Icon-App-83.5x83.5@2x.png", 109 | "scale" : "2x" 110 | }, 111 | { 112 | "size" : "1024x1024", 113 | "idiom" : "ios-marketing", 114 | "filename" : "Icon-App-1024x1024@1x.png", 115 | "scale" : "1x" 116 | } 117 | ], 118 | "info" : { 119 | "version" : 1, 120 | "author" : "xcode" 121 | } 122 | } 123 | -------------------------------------------------------------------------------- /lib/provider/post/data/post_server.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_sample/provider/post/data/post_bean.dart'; 2 | import 'package:collection/collection.dart'; 3 | 4 | class PostServer { 5 | var posts = List.empty(growable: true); 6 | static PostServer? _instance; 7 | 8 | static PostServer instance() { 9 | _instance ??= PostServer._(); 10 | return _instance!; 11 | } 12 | 13 | PostServer._() { 14 | posts = List.empty(growable: true); 15 | posts.add(PostBean.value( 16 | 0, 17 | true, 18 | """ 19 | 水调歌头·明月几时有 20 | 明月几时有？把酒问青天。不知天上宫阙，今夕是何年。我欲乘风归去，又恐琼楼玉宇，高处不胜寒。起舞弄清影，何似在人间。(何似 一作：何时；又恐 一作：惟 / 唯恐) 21 | 转朱阁，低绮户，照无眠。不应有恨，何事长向别时圆？人有悲欢离合，月有阴晴圆缺，此事古难全。但愿人长久，千里共婵娟。(长向 一作：偏向) """, 22 | )); 23 | posts.add(PostBean.value( 24 | 1, 25 | true, 26 | """ 27 | 声声慢·寻寻觅觅 28 | 寻寻觅觅，冷冷清清，凄凄惨惨戚戚。乍暖还寒时候，最难将息。三杯两盏淡酒，怎敌他、晚来风急！雁过也，正伤心，却是旧时相识。 29 | 满地黄花堆积，憔悴损，如今有谁堪摘？守着窗儿，独自怎生得黑！梧桐更兼细雨，到黄昏、点点滴滴。这次第，怎一个愁字了得！（守着窗儿 一作：守著窗儿） 30 | """, 31 | )); 32 | posts.add(PostBean.value( 33 | 2, 34 | true, 35 | """ 36 | 凤凰台上忆吹箫·香冷金猊 37 | 香冷金猊，被翻红浪，起来慵自梳头。任宝奁尘满，日上帘钩。生怕离怀别苦，多少事、欲说还休。新来瘦，非干病酒，不是悲秋。 38 | 休休，这回去也，千万遍《阳关》，也则难留。念武陵人远，烟锁秦楼。惟有楼前流水，应念我、终日凝眸。凝眸处，从今又添，一段新愁。(版本一) 39 | 40 | 香冷金猊，被翻红浪，起来人未梳头。任宝奁闲掩，日上帘钩。生怕闲愁暗恨，多少事、欲说还休。今年瘦，非干病酒，不是悲秋。 41 | 明朝，者回去也，千万遍阳关，也即难留。念武陵春晚，云锁重楼。记取楼前绿水，应念我、终日凝眸。凝眸处，从今更数，几段新愁。(版本二) 42 | """, 43 | )); 44 | posts.add(PostBean.value( 45 | 3, 46 | true, 47 | """ 48 | 绮寮怨·上马人扶残醉 49 | 上马人扶残醉，晓风吹未醒。映水曲、翠瓦朱檐，垂杨里、乍见津亭。当时曾题败壁，蛛丝罩、淡墨苔晕青。念去来、岁月如流，徘徊久、叹息愁思盈。 50 | 去去倦寻路程。江陵旧事，何曾再问杨琼。旧曲凄清。敛愁黛、与谁听。尊前故人如在，想念我、最关情。何须渭城。歌声未尽处，先泪零。 """, 51 | )); 52 | posts.add(PostBean.value( 53 | 4, 54 | true, 55 | """ 56 | 满江红·小院深深 57 | 小院深深，悄镇日、阴晴无据。春未足，闺愁难寄，琴心谁与？曲径穿花寻蛱蝶，虚阑傍日教鹦鹉。笑十三杨柳女儿腰，东风舞。 58 | 云外月，风前絮。情与恨，长如许。想绮窗今夜，为谁凝伫？洛浦梦回留佩客，秦楼声断吹箫侣。正黄昏时候杏花寒，廉纤雨。""", 59 | )); 60 | posts.add(PostBean.value( 61 | 5, 62 | true, 63 | """ 64 | 花心动·春词 65 | 仙苑春浓，小桃开，枝枝已堪攀折。乍雨乍晴，轻暖轻寒，渐近赏花时节。柳摇台榭东风软，帘栊静，幽禽调舌。断魂远，闲寻翠径，顿成愁结。 66 | 此恨无人共说。还立尽黄昏，寸心空切。强整绣衾，独掩朱扉，枕簟为谁铺设。夜长更漏传声远，纱窗映、银缸明灭。梦回处，梅梢半笼残月。 67 | """, 68 | )); 69 | posts.add(PostBean.value( 70 | 6, 71 | true, 72 | """ 73 | 安公子·远岸收残雨 74 | 远岸收残雨。雨残稍觉江天暮。拾翠汀洲人寂静，立双双鸥鹭。望几点、渔灯隐映蒹葭浦。停画桡、两两舟人语。道去程今夜，遥指前村烟树。 75 | 游宦成羁旅。短樯吟倚闲凝伫。万水千山迷远近，想乡关何处。自别后、风亭月榭孤欢聚。刚断肠、惹得离情苦。听杜宇声声，劝人不如归去。 76 | """, 77 | )); 78 | } 79 | 80 | Future>> loadPosts() async { 81 | await Future.delayed(const Duration(milliseconds: 300)); 82 | return posts.map(((post) => post.toMap())).toList(); 83 | } 84 | 85 | Future> getPostDetail(int id) async { 86 | await Future.delayed(const Duration(milliseconds: 300)); 87 | return posts 88 | .firstWhereOrNull( 89 | (post) => post.id == id, 90 | ) 91 | ?.toMap() ?? 92 | Map(); 93 | } 94 | 95 | Future> like(int id, bool toLike) async { 96 | await Future.delayed(const Duration(milliseconds: 300)); 97 | PostBean? post = posts.firstWhereOrNull((post) => post.id == id); 98 | if (post != null) { 99 | post.isLike = toLike; 100 | return {"success": true}; 101 | } 102 | return {"success": false}; 103 | } 104 | } 105 | -------------------------------------------------------------------------------- /lib/statemanager/inherited_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | /// 4 | ///Provider V1 5 | ///实现了数据的共享，通过手动调用 setState刷新页面 6 | ///待优化： 7 | /// 1.通知数据更新 8 | /// 9 | void main() => runApp(MaterialApp( 10 | home: Scaffold( 11 | appBar: AppBar( 12 | title: Text("InheritedWidget"), 13 | ), 14 | body: InheritedWidgetTestRoute(), 15 | ), 16 | )); 17 | 18 | class InheritedWidgetTestRoute extends StatefulWidget { 19 | @override 20 | _InheritedWidgetTestRouteState createState() => 21 | new _InheritedWidgetTestRouteState(); 22 | } 23 | 24 | class _InheritedWidgetTestRouteState extends State { 25 | ShareModel _shareModel = new ShareModel(0); 26 | @override 27 | Widget build(BuildContext context) { 28 | print("__TestButtonState build context:$context}"); 29 | return Center( 30 | 31 | child: ShareModelWidget( 32 | //使用ShareDataWidget 33 | model: _shareModel, 34 | child: Column( 35 | mainAxisAlignment: MainAxisAlignment.center, 36 | children: [ 37 | Builder(builder: (context){ 38 | print("__TestWidgetState build context:$context"); 39 | return Text(ShareModelWidget.of(context).model.count.toString()); 40 | },), 41 | Builder(builder: (context){ 42 | print("__TestButtonState build context:$context}"); 43 | return ElevatedButton( 44 | child: Text( 45 | "Increment (current:${ShareModelWidget.of(context).model.count.toString()})"), 46 | onPressed: () => ShareModelWidget.of(context).model.increment(), 47 | ); 48 | },), 49 | // _TestText(), 50 | // _TestButton(), 51 | ElevatedButton( 52 | child: Text("刷新页面"), 53 | onPressed: () => setState(() {}), 54 | ), 55 | ], 56 | ), 57 | ), 58 | ); 59 | } 60 | } 61 | 62 | 63 | class _TestRefresh extends StatefulWidget { 64 | @override 65 | __TestRefreshState createState() => __TestRefreshState(); 66 | } 67 | 68 | class __TestRefreshState extends State<_TestRefresh> { 69 | @override 70 | Widget build(BuildContext context) { 71 | return ElevatedButton( 72 | child: const Text("刷新页面"), 73 | onPressed: () => setState(() {}), 74 | ); 75 | } 76 | } 77 | 78 | class ShareModelWidget extends InheritedWidget { 79 | ShareModelWidget({required this.model,required Widget child}) : super(child: child); 80 | 81 | final ShareModel model; //需要在子树中共享的数据，保存点击次数 82 | 83 | //定义一个便捷方法，方便子树中的widget获取共享数据 84 | static ShareModelWidget of(BuildContext context) { 85 | return context.dependOnInheritedWidgetOfExactType(aspect:ShareModelWidget)!; 86 | // return context.ancestorInheritedElementForWidgetOfExactType(ShareDataWidget).widget; 87 | } 88 | 89 | //该回调决定当data发生变化时，是否通知子树中依赖data的Widget 90 | @override 91 | bool updateShouldNotify(ShareModelWidget old) { 92 | //如果返回true，则子树中依赖(build函数中有调用)本widget 93 | //的子widget的`state.didChangeDependencies`会被调用 94 | // return old.data != data; 95 | return true; 96 | } 97 | } 98 | 99 | class ShareModel { 100 | int count; 101 | 102 | ShareModel(this.count); 103 | 104 | void increment() { 105 | count++; 106 | } 107 | } 108 | -------------------------------------------------------------------------------- /lib/eventbus/eventbus_demo_widget2.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | 3 | import 'package:event_bus/event_bus.dart'; 4 | import 'package:flutter/material.dart'; 5 | import 'package:flutter_sample/eventbus/my_event_bus.dart'; 6 | import 'package:flutter_sample/provider/post/base/eventbus_x.dart'; 7 | 8 | final String eventBusDemo2Title = "EventBus(pub.dev)使用"; 9 | EventBus _eventBus = new EventBus(); 10 | 11 | class EventBusDemoWidget2 extends StatefulWidget { 12 | EventBusDemoWidget2({Key? key}) : super(key: key); 13 | 14 | @override 15 | _EventBusDemoWidget2State createState() => _EventBusDemoWidget2State(); 16 | } 17 | 18 | class _EventBusDemoWidget2State extends State { 19 | @override 20 | Widget build(BuildContext context) { 21 | return Scaffold( 22 | appBar: AppBar( 23 | title: Text(eventBusDemo2Title), 24 | ), 25 | body: Container( 26 | child: Column( 27 | children: [ 28 | Row( 29 | children: [ 30 | new ButtonWidget(event: new EventA()), 31 | new TextWidget(), 32 | new TextWidget() 33 | ], 34 | ), 35 | Divider( 36 | color: Colors.grey, 37 | ), 38 | Row( 39 | children: [ 40 | new ButtonWidget(event: new EventB()), 41 | new TextWidget(), 42 | new TextWidget() 43 | ], 44 | ) 45 | ], 46 | ), 47 | ), 48 | ); 49 | } 50 | } 51 | 52 | class BaseEvent { 53 | int count = 0; 54 | } 55 | 56 | class EventA extends BaseEvent {} 57 | 58 | class EventB extends BaseEvent {} 59 | 60 | class ButtonWidget extends StatelessWidget { 61 | final T? event; 62 | 63 | ButtonWidget({Key? key, this.event}) : super(key: key); 64 | 65 | @override 66 | Widget build(BuildContext context) { 67 | return ElevatedButton( 68 | child: Text("increment"), 69 | onPressed: _increment, 70 | ); 71 | } 72 | 73 | void _increment() { 74 | if (event != null) { 75 | event?.count++; 76 | print(event?.count); 77 | _eventBus.fire(event); 78 | // _eventBus.post(event); 79 | } 80 | } 81 | } 82 | 83 | class TextWidget extends StatefulWidget { 84 | @override 85 | _TextWidgetState createState() { 86 | return _TextWidgetState(); 87 | } 88 | } 89 | 90 | class _TextWidgetState extends State> { 91 | int _count = 0; 92 | // ISubscriber _subscriber; 93 | late StreamSubscription _subscriber; 94 | 95 | @override 96 | void initState() { 97 | super.initState(); 98 | // _subscriber = 99 | // (event) => setState(() => _count = (event as BaseEvent).count); 100 | // _eventBus.register(_subscriber); 101 | Stream stream = _eventBus.on(); 102 | _subscriber = stream 103 | .listen((event) => setState(() => _count = (event as BaseEvent).count)); 104 | } 105 | 106 | @override 107 | Widget build(BuildContext context) { 108 | print(typeOf()); 109 | return Text( 110 | " $_count ", 111 | style: TextStyle(fontSize: 18), 112 | ); 113 | } 114 | 115 | @override 116 | void dispose() { 117 | super.dispose(); 118 | // _eventBus.unregister(_subscriber); 119 | _subscriber.cancel(); 120 | } 121 | } 122 | -------------------------------------------------------------------------------- /lib/bottom_input/input_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter/services.dart'; 3 | 4 | class InputWidget extends StatefulWidget { 5 | InputWidget({Key? key}) : super(key: key); 6 | 7 | @override 8 | _InputWidgetState createState() => _InputWidgetState(); 9 | } 10 | 11 | class _InputWidgetState extends State { 12 | @override 13 | Widget build(BuildContext context) { 14 | TextEditingController editingController = TextEditingController(); 15 | 16 | return Scaffold( 17 | backgroundColor: Colors.transparent, 18 | // resizeToAvoidBottomInset: false, 19 | body: Container( 20 | child: Column( 21 | mainAxisSize: MainAxisSize.min, 22 | children: [ 23 | Expanded( 24 | child: GestureDetector( 25 | onTapDown: (_) => Navigator.of(context).pop(), 26 | child: Container( 27 | color: Colors.transparent, 28 | )), 29 | ), 30 | SafeArea( 31 | child: Container( 32 | color: Colors.white, 33 | child: Row( 34 | children: [ 35 | Container( 36 | width: 20, 37 | ), 38 | Expanded( 39 | child: Container( 40 | margin: const EdgeInsets.only(top: 10, bottom: 10), 41 | decoration:const BoxDecoration( 42 | color: Color(0xfff6f8fb), 43 | borderRadius: 44 | BorderRadius.all(Radius.circular(20))), 45 | alignment: Alignment.center, 46 | child: TextField( 47 | autofocus: true, 48 | inputFormatters: [ 49 | LengthLimitingTextInputFormatter(200) 50 | ], 51 | controller: editingController, 52 | decoration:const InputDecoration( 53 | isDense: true, 54 | contentPadding: EdgeInsets.only( 55 | left: 10, right: 10, top: 5, bottom: 5), 56 | border: InputBorder.none, 57 | hintStyle: TextStyle(color: Color(0xffcccccc)), 58 | hintText: "说点什么吧"), 59 | ), 60 | ), 61 | ), 62 | GestureDetector( 63 | onTap: (() { 64 | var text = editingController.text.trim(); 65 | if (text.isNotEmpty) { 66 | Navigator.pop(context, text); 67 | } 68 | }), 69 | child: Container( 70 | padding: const EdgeInsets.only( 71 | left: 10, right: 10, top: 10, bottom: 10), 72 | alignment: Alignment.center, 73 | child:const Text( 74 | "发送", 75 | style: TextStyle(color: Color(0xff00BBBB)), 76 | ), 77 | ), 78 | ) 79 | ], 80 | ), 81 | ), 82 | ), 83 | ], 84 | ), 85 | ), 86 | ); 87 | } 88 | } 89 | -------------------------------------------------------------------------------- /lib/provider/provider_demo_widget3.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | const String providerDemoTitle3 = "Provider示例3"; 4 | const String providerDemoIntroduction3 = "上一个示例的通用泛型实现\n" 5 | "CountModel作为泛型实例，传递给ChangeNotifierProvider和Provider\n" 6 | "同时ChangeNotifierProvider和Provider也可以拿到别地用了"; 7 | 8 | class ProviderDemoWidget3 extends StatefulWidget { 9 | ProviderDemoWidget3({Key? key}) : super(key: key); 10 | 11 | @override 12 | _ProviderDemoWidget3State createState() => _ProviderDemoWidget3State(); 13 | } 14 | 15 | class _ProviderDemoWidget3State extends State { 16 | CountModel _countModel = CountModel(0); 17 | 18 | @override 19 | Widget build(BuildContext context) { 20 | return Scaffold( 21 | appBar: AppBar(title: const Text(providerDemoTitle3)), 22 | body: ChangeNotifierProvider( 23 | model: _countModel, 24 | child: Center( 25 | child: Column( 26 | mainAxisAlignment: MainAxisAlignment.center, 27 | children: [ 28 | Builder(builder: (context1) { 29 | return Text("计数:${Provider.of(context1, true).count}（有依赖情况)"); 30 | }), 31 | Builder(builder: (context2) { 32 | return Text("计数:${Provider.of(context2, false).count}（无依赖情况)"); 33 | }), 34 | ElevatedButton(child: const Text("increment"), onPressed: () => _countModel.increment()), 35 | const Text(providerDemoIntroduction3), 36 | ], 37 | ), 38 | ), 39 | ), 40 | ); 41 | } 42 | } 43 | 44 | class ChangeNotifierProvider extends StatefulWidget { 45 | final Widget child; 46 | 47 | final T model; 48 | 49 | ChangeNotifierProvider({Key? key, required this.child, required this.model}) : super(key: key); 50 | 51 | @override 52 | _ChangeNotifierProviderState createState() => _ChangeNotifierProviderState(); 53 | } 54 | 55 | class _ChangeNotifierProviderState extends State { 56 | _ChangeNotifierProviderState(); 57 | 58 | _update() { 59 | setState(() => {}); 60 | } 61 | 62 | @override 63 | void initState() { 64 | super.initState(); 65 | widget.model.addListener(_update); 66 | } 67 | 68 | @override 69 | void dispose() { 70 | super.dispose(); 71 | widget.model.removeListener(_update); 72 | } 73 | 74 | @override 75 | Widget build(BuildContext context) { 76 | return Provider( 77 | model: widget.model, 78 | child: widget.child, 79 | ); 80 | } 81 | } 82 | 83 | class Provider extends InheritedWidget { 84 | final T model; 85 | 86 | Provider({Key? key, required this.model, required Widget child}) : super(key: key, child: child); 87 | 88 | static T of(BuildContext context, bool depend) { 89 | var provider = depend 90 | ? context.dependOnInheritedWidgetOfExactType>() 91 | : context.getElementForInheritedWidgetOfExactType>()?.widget; 92 | return (provider as Provider).model as T; 93 | } 94 | 95 | @override 96 | bool updateShouldNotify(Provider old) { 97 | return true; 98 | } 99 | } 100 | 101 | class CountModel extends ChangeNotifier { 102 | int count; 103 | 104 | CountModel(this.count); 105 | 106 | void increment() { 107 | count++; 108 | notifyListeners(); 109 | } 110 | } 111 | -------------------------------------------------------------------------------- /macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 37 | 38 | 39 | 40 | 41 | 42 | 52 | 54 | 60 | 61 | 62 | 63 | 69 | 71 | 77 | 78 | 79 | 80 | 82 | 83 | 86 | 87 | 88 | -------------------------------------------------------------------------------- /ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 39 | 40 | 41 | 42 | 43 | 44 | 54 | 56 | 62 | 63 | 64 | 65 | 66 | 67 | 73 | 75 | 81 | 82 | 83 | 84 | 86 | 87 | 90 | 91 | 92 | -------------------------------------------------------------------------------- /lib/provider/provider_demo_widget2.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | const String providerDemoTitle2 = "Provider示例2"; 4 | const String providerDemoIntroduction2 = "\n\n\n\n\n\n\n\n\n\n\n\n\n\n" 5 | "* 完善InheritedWidget功能\n" 6 | "* Provider继承InheritedWidget,强化其访问功能\n" 7 | "* CountModel封装示例1中的count，继承ChangeNotifier，具备notify能力\n" 8 | "* ChangeNotifierProvider通过监听ChangeNotifier，将setState封装在其内部\n" 9 | "* 总之，把状态管理(数据修改和Widget刷新)封装在自定义的对象内。" 10 | "外部控件不需要再关心状态管理的细节了\n"; 11 | 12 | class ProviderDemoWidget2 extends StatefulWidget { 13 | ProviderDemoWidget2({Key? key}) : super(key: key); 14 | 15 | @override 16 | _ProviderDemoWidget2State createState() => _ProviderDemoWidget2State(); 17 | } 18 | 19 | class _ProviderDemoWidget2State extends State { 20 | CountModel _countModel = CountModel(0); 21 | 22 | @override 23 | Widget build(BuildContext context) { 24 | return Scaffold( 25 | appBar: AppBar(title: const Text(providerDemoTitle2)), 26 | body: ChangeNotifierProvider( 27 | model: _countModel, 28 | child: Center( 29 | child: Column( 30 | mainAxisAlignment: MainAxisAlignment.center, 31 | children: [ 32 | Text("计数:${_countModel.count}"), 33 | Builder(builder: (context1) { 34 | return Text("计数:${CountProvider.of(context1, true).count}（有依赖情况)"); 35 | }), 36 | Builder(builder: (context2) { 37 | return Text("计数:${CountProvider.of(context2, false).count}（无依赖情况)"); 38 | }), 39 | ElevatedButton(child: const Text("increment"), onPressed: () => _countModel.increment()), 40 | const Text(providerDemoIntroduction2), 41 | ], 42 | ), 43 | ), 44 | ), 45 | ); 46 | } 47 | } 48 | 49 | class ChangeNotifierProvider extends StatefulWidget { 50 | final Widget child; 51 | 52 | final CountModel model; 53 | 54 | ChangeNotifierProvider({Key? key, required this.child, required this.model}) : super(key: key); 55 | 56 | @override 57 | _ChangeNotifierProviderState createState() => _ChangeNotifierProviderState(); 58 | } 59 | 60 | class _ChangeNotifierProviderState extends State { 61 | _ChangeNotifierProviderState(); 62 | 63 | _update() { 64 | setState(() => {}); 65 | } 66 | 67 | @override 68 | void initState() { 69 | super.initState(); 70 | widget.model.addListener(_update); 71 | } 72 | 73 | @override 74 | void dispose() { 75 | super.dispose(); 76 | widget.model.removeListener(_update); 77 | } 78 | 79 | @override 80 | Widget build(BuildContext context) { 81 | return CountProvider( 82 | model: widget.model, 83 | child: widget.child, 84 | ); 85 | } 86 | } 87 | 88 | class CountProvider extends InheritedWidget { 89 | final CountModel model; 90 | 91 | const CountProvider({Key? key, required this.model, required Widget child}) : super(key: key, child: child); 92 | 93 | static CountModel of(BuildContext context, bool depend) { 94 | var provider = depend 95 | ? context.dependOnInheritedWidgetOfExactType() 96 | : context.getElementForInheritedWidgetOfExactType()?.widget; 97 | return (provider as CountProvider).model; 98 | } 99 | 100 | @override 101 | bool updateShouldNotify(CountProvider old) { 102 | return true; 103 | } 104 | } 105 | 106 | class CountModel extends ChangeNotifier { 107 | int count; 108 | 109 | CountModel(this.count); 110 | 111 | void increment() { 112 | count++; 113 | notifyListeners(); 114 | } 115 | } 116 | -------------------------------------------------------------------------------- /ios/Podfile: -------------------------------------------------------------------------------- 1 | # Uncomment this line to define a global platform for your project 2 | # platform :ios, '9.0' 3 | 4 | # CocoaPods analytics sends network stats synchronously affecting flutter build latency. 5 | ENV['COCOAPODS_DISABLE_STATS'] = 'true' 6 | 7 | project 'Runner', { 8 | 'Debug' => :debug, 9 | 'Profile' => :release, 10 | 'Release' => :release, 11 | } 12 | 13 | def parse_KV_file(file, separator='=') 14 | file_abs_path = File.expand_path(file) 15 | if !File.exists? file_abs_path 16 | return []; 17 | end 18 | generated_key_values = {} 19 | skip_line_start_symbols = ["#", "/"] 20 | File.foreach(file_abs_path) do |line| 21 | next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ } 22 | plugin = line.split(pattern=separator) 23 | if plugin.length == 2 24 | podname = plugin[0].strip() 25 | path = plugin[1].strip() 26 | podpath = File.expand_path("#{path}", file_abs_path) 27 | generated_key_values[podname] = podpath 28 | else 29 | puts "Invalid plugin specification: #{line}" 30 | end 31 | end 32 | generated_key_values 33 | end 34 | 35 | target 'Runner' do 36 | use_frameworks! 37 | use_modular_headers! 38 | 39 | # Flutter Pod 40 | 41 | copied_flutter_dir = File.join(__dir__, 'Flutter') 42 | copied_framework_path = File.join(copied_flutter_dir, 'Flutter.framework') 43 | copied_podspec_path = File.join(copied_flutter_dir, 'Flutter.podspec') 44 | unless File.exist?(copied_framework_path) && File.exist?(copied_podspec_path) 45 | # Copy Flutter.framework and Flutter.podspec to Flutter/ to have something to link against if the xcode backend script has not run yet. 46 | # That script will copy the correct debug/profile/release version of the framework based on the currently selected Xcode configuration. 47 | # CocoaPods will not embed the framework on pod install (before any build phases can generate) if the dylib does not exist. 48 | 49 | generated_xcode_build_settings_path = File.join(copied_flutter_dir, 'Generated.xcconfig') 50 | unless File.exist?(generated_xcode_build_settings_path) 51 | raise "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter pub get is executed first" 52 | end 53 | generated_xcode_build_settings = parse_KV_file(generated_xcode_build_settings_path) 54 | cached_framework_dir = generated_xcode_build_settings['FLUTTER_FRAMEWORK_DIR']; 55 | 56 | unless File.exist?(copied_framework_path) 57 | FileUtils.cp_r(File.join(cached_framework_dir, 'Flutter.framework'), copied_flutter_dir) 58 | end 59 | unless File.exist?(copied_podspec_path) 60 | FileUtils.cp(File.join(cached_framework_dir, 'Flutter.podspec'), copied_flutter_dir) 61 | end 62 | end 63 | 64 | # Keep pod path relative so it can be checked into Podfile.lock. 65 | pod 'Flutter', :path => 'Flutter' 66 | 67 | # Plugin Pods 68 | 69 | # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock 70 | # referring to absolute paths on developers' machines. 71 | system('rm -rf .symlinks') 72 | system('mkdir -p .symlinks/plugins') 73 | plugin_pods = parse_KV_file('../.flutter-plugins') 74 | plugin_pods.each do |name, path| 75 | symlink = File.join('.symlinks', 'plugins', name) 76 | File.symlink(path, symlink) 77 | pod name, :path => File.join(symlink, 'ios') 78 | end 79 | end 80 | 81 | # Prevent Cocoapods from embedding a second Flutter framework and causing an error with the new Xcode build system. 82 | install! 'cocoapods', :disable_input_output_paths => true 83 | 84 | post_install do |installer| 85 | installer.pods_project.targets.each do |target| 86 | target.build_configurations.each do |config| 87 | config.build_settings['ENABLE_BITCODE'] = 'NO' 88 | end 89 | end 90 | end 91 | -------------------------------------------------------------------------------- /lib/provider/post/list/post_list_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_sample/provider/post/base/item_refresher.dart'; 3 | import 'package:flutter_sample/provider/post/base/slide_page_route.dart'; 4 | import 'package:flutter_sample/provider/post/data/post_bean.dart'; 5 | import 'package:flutter_sample/provider/post/detail/post_detail_widget.dart'; 6 | import 'package:flutter_sample/provider/post/list/post_item_notifier.dart'; 7 | import 'package:flutter_sample/provider/post/list/post_item_widget.dart'; 8 | import 'package:flutter_sample/provider/post/list/post_list_model.dart'; 9 | import 'package:provider/provider.dart'; 10 | import 'package:pull_to_refresh/pull_to_refresh.dart'; 11 | 12 | class PostListWidget extends StatefulWidget { 13 | PostListWidget({Key? key}) : super(key: key); 14 | 15 | @override 16 | _PostListWidgetState createState() => _PostListWidgetState(); 17 | } 18 | 19 | class _PostListWidgetState extends State 20 | with AutomaticKeepAliveClientMixin { 21 | late PostListModel _listModel; 22 | 23 | @override 24 | bool get wantKeepAlive => true; 25 | 26 | @override 27 | void initState() { 28 | super.initState(); 29 | 30 | ///初始化加载数据 31 | _listModel = PostListModel()..loadData(); 32 | print("PostListWidget:initState"); 33 | } 34 | 35 | @override 36 | Widget build(BuildContext context) { 37 | super.build(context); 38 | print("PostListWidget:build"); 39 | return Scaffold( 40 | appBar: AppBar( 41 | title: Text("帖子列表"), 42 | ), 43 | 44 | ///多Provider使用，提前设置好 45 | body: MultiProvider( 46 | providers: [ 47 | ChangeNotifierProvider.value(value: _listModel), 48 | ChangeNotifierProvider.value(value: _listModel.itemChange), 49 | ], 50 | child: Consumer( 51 | builder: (context, model, child) { 52 | Widget child; 53 | if (model.posts.isEmpty) { 54 | child = Container(); 55 | } else { 56 | child = ListView.separated( 57 | padding: EdgeInsets.only(left: 20), 58 | itemBuilder: (itemContext, index) { 59 | return _buildListItem(itemContext, model.posts[index]); 60 | }, 61 | separatorBuilder: (separatorContext, index) { 62 | return Divider( 63 | height: 1, 64 | color: Colors.grey, 65 | ); 66 | }, 67 | itemCount: model.posts.length); 68 | } 69 | 70 | ///设置 SmartRefresher： refreshController，onRefresh。 71 | ///onRefresh回调。widget不处理数据相关的回调，而是交给model处理 72 | return SmartRefresher( 73 | controller: model.refreshController, 74 | enablePullDown: true, 75 | enablePullUp: true, 76 | onRefresh: () => model.refresh(), 77 | child: child, 78 | ); 79 | }, 80 | ), 81 | ), 82 | ); 83 | } 84 | 85 | Widget _buildListItem(BuildContext context, PostBean post) { 86 | ///ItemRefresher 自定义的列表item刷新 87 | return ItemRefresher( 88 | value: post, 89 | shouldRebuild: (notifier, value) => 90 | (notifier.id != null && notifier.id == value.id), 91 | builder: (context, value, child) { 92 | return PostItemWidget( 93 | post: value, 94 | click: _skipPostDetail, 95 | ); 96 | }, 97 | ); 98 | // return PostItemWidget2(post: post, click: _skipPostDetail); 99 | } 100 | 101 | _skipPostDetail(BuildContext context, PostBean? post) { 102 | Navigator.of(context).push(SlidePageRoute( 103 | widget: PostDetailWidget(id: post?.id??-1), 104 | )); 105 | } 106 | } 107 | -------------------------------------------------------------------------------- /web/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | flutter_sample 33 | 34 | 35 | 36 | 39 | 103 | 104 | 105 | -------------------------------------------------------------------------------- /lib/statemanager/inherited_notifier_widget.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | /// 4 | ///Provider V2 5 | ///实现了数据的共享/通知数据刷新 6 | ///待优化 7 | /// 1.泛型实现 8 | /// 2.不应该暴露ShareDataWidget，而是要ShareNotifierWidget 封装ShareDataWidget 获取数据 9 | /// 10 | /// 11 | 12 | void main() => runApp(MaterialApp( 13 | home: Scaffold( 14 | appBar: AppBar( 15 | title: const Text("InheritedNotifierWidget"), 16 | ), 17 | body: InheritedNotifierWidget(), 18 | ), 19 | )); 20 | 21 | class InheritedNotifierWidget extends StatefulWidget { 22 | const InheritedNotifierWidget({Key? key}) : super(key: key); 23 | 24 | @override 25 | _InheritedNotifierWidgetState createState() => 26 | _InheritedNotifierWidgetState(); 27 | } 28 | 29 | const String tag = "_InheritedNotifier"; 30 | 31 | class _InheritedNotifierWidgetState extends State { 32 | final ShareModel _shareModel = new ShareModel(0); 33 | 34 | final ChangeNotifier _changeNotifier = new ChangeNotifier(); 35 | 36 | @override 37 | Widget build(BuildContext context) { 38 | print("$tag build context:$context}"); 39 | return Center( 40 | child: ShareNotifierWidget( 41 | notifier: _changeNotifier, 42 | model: _shareModel, 43 | child: Column( 44 | mainAxisAlignment: MainAxisAlignment.center, 45 | children: [ 46 | TextWidget(), 47 | Builder( 48 | builder: (context2) { 49 | print("$tag _TestWidgetState build context:$context2"); 50 | return Text( 51 | ShareModelWidget.of(context2).model.count.toString(), 52 | style: TextStyle(fontSize: 40), 53 | ); 54 | }, 55 | ), 56 | Builder( 57 | builder: (context2) { 58 | print("$tag _TestButtonState build context:$context2}"); 59 | return ElevatedButton( 60 | child: Text( 61 | "Increment (current:${ShareModelWidget.of(context2).model.count.toString()})"), 62 | onPressed: () { 63 | ShareModelWidget.of(context2).model.increment(); 64 | ShareModelWidget.of(context2) 65 | .notifier 66 | .notifyListeners(); //与 setState区别？？ 67 | // setState(() {}); 68 | }); 69 | }, 70 | ), 71 | ], 72 | ), 73 | ), 74 | ); 75 | } 76 | } 77 | 78 | class TextWidget extends StatefulWidget { 79 | @override 80 | _TextWidgetState createState() => _TextWidgetState(); 81 | } 82 | 83 | class _TextWidgetState extends State { 84 | @override 85 | Widget build(BuildContext context) { 86 | print("$tag TextWidget :BuildContext $context"); 87 | var count = ShareModelWidget.of(context).model.count; 88 | return Text("计数:$count"); 89 | } 90 | 91 | @override 92 | void didChangeDependencies() { 93 | super.didChangeDependencies(); 94 | print("$tag TextWidget :didChangeDependencies"); 95 | } 96 | } 97 | 98 | class ShareModel with ChangeNotifier { 99 | int count; 100 | 101 | ShareModel(this.count); 102 | 103 | void increment() { 104 | count++; 105 | } 106 | } 107 | 108 | class ShareModelWidget extends InheritedWidget { 109 | ShareModelWidget( 110 | {required this.model, required this.notifier, required Widget child}) 111 | : super(child: child); 112 | 113 | final ShareModel model; //需要在子树中共享的数据，保存点击次数 114 | 115 | final ChangeNotifier notifier; 116 | 117 | //定义一个便捷方法，方便子树中的widget获取共享数据 118 | static ShareModelWidget of(BuildContext context) { 119 | // return context.dependOnInheritedWidgetOfExactType(); 120 | return (context 121 | .getElementForInheritedWidgetOfExactType() 122 | ?.widget) as ShareModelWidget; 123 | } 124 | 125 | //该回调决定当data发生变化时，是否通知子树中依赖data的Widget 126 | @override 127 | bool updateShouldNotify(ShareModelWidget old) { 128 | //如果返回true，则子树中依赖(build函数中有调用)本widget 129 | //的子widget的`state.didChangeDependencies`会被调用 130 | // return old.data != data; 131 | return true; 132 | } 133 | } 134 | 135 | class ShareNotifierWidget extends StatefulWidget { 136 | final ChangeNotifier notifier; 137 | 138 | final ShareModel model; 139 | 140 | final Widget child; 141 | 142 | ShareNotifierWidget({ 143 | required this.notifier, 144 | required this.model, 145 | required this.child, 146 | }); 147 | 148 | @override 149 | _ShareNotifierWidgetState createState() => _ShareNotifierWidgetState(); 150 | } 151 | 152 | class _ShareNotifierWidgetState extends State { 153 | update() { 154 | setState(() {}); 155 | } 156 | 157 | @override 158 | void initState() { 159 | widget.notifier.addListener(update); 160 | super.initState(); 161 | } 162 | 163 | @override 164 | Widget build(BuildContext context) { 165 | print("$tag TextWidget :didChangeDependencies"); 166 | return ShareModelWidget( 167 | model: widget.model, 168 | notifier: widget.notifier, 169 | child: widget.child, 170 | ); 171 | } 172 | 173 | @override 174 | void dispose() { 175 | super.dispose(); 176 | widget.notifier.removeListener(update); 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497 | defaultConfigurationIsVisible = 0; 498 | defaultConfigurationName = Release; 499 | }; 500 | /* End XCConfigurationList section */ 501 | 502 | }; 503 | rootObject = 97C146E61CF9000F007C117D /* Project object */; 504 | } 505 | -------------------------------------------------------------------------------- /macos/Runner/Base.lproj/MainMenu.xib: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 | 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 | 200 | 201 | 202 | 203 | 204 | 205 | 206 | 207 | 208 | 209 | 210 | 211 | 212 | 213 | 214 | 215 | 216 | 217 | 218 | 219 | 220 | 221 | 222 | 223 | 224 | 225 | 226 | 227 | 228 | 229 | 230 | 231 | 232 | 233 | 234 | 235 | 236 | 237 | 238 | 239 | 240 | 241 | 242 | 243 | 244 | 245 | 246 | 247 | 248 | 249 | 250 | 251 | 252 | 253 | 254 | 255 | 256 | 257 | 258 | 259 | 260 | 261 | 262 | 263 | 264 | 265 | 266 | 267 | 268 | 269 | 270 | 271 | 272 | 273 | 274 | 275 | 276 | 277 | 278 | 279 | 280 | 281 | 282 | 283 | 284 | 285 | 286 | 287 | 288 | 289 | 290 | 291 | 292 | 293 | 294 | 295 | 296 | 297 | 298 | 299 | 300 | 301 | 302 | 303 | 304 | 305 | 306 | 307 | 308 | 309 | 310 | 311 | 312 | 313 | 314 | 315 | 316 | 317 | 318 | 319 | 320 | 321 | 322 | 323 | 324 | 325 | 326 | 327 | 328 | 329 | 330 | 331 | 332 | 333 | 334 | 335 | 336 | 337 | 338 | 339 | 340 | --------------------------------------------------------------------------------