├── .gitignore ├── .metadata ├── CHANGELOG.md ├── LICENSE ├── README.md ├── example ├── .gitignore ├── .metadata ├── README.md ├── analysis_options.yaml ├── android │ ├── .gitignore │ ├── app │ │ ├── build.gradle │ │ └── src │ │ │ ├── debug │ │ │ └── AndroidManifest.xml │ │ │ ├── main │ │ │ ├── AndroidManifest.xml │ │ │ ├── kotlin │ │ │ │ └── com │ │ │ │ │ └── example │ │ │ │ │ └── example │ │ │ │ │ └── MainActivity.kt │ │ │ └── res │ │ │ │ ├── drawable-v21 │ │ │ │ └── launch_background.xml │ │ │ │ ├── drawable │ │ │ │ └── launch_background.xml │ │ │ │ ├── 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 │ │ │ │ ├── values-night │ │ │ │ └── styles.xml │ │ │ │ └── values │ │ │ │ └── styles.xml │ │ │ └── profile │ │ │ └── AndroidManifest.xml │ ├── build.gradle │ ├── gradle.properties │ ├── gradle │ │ └── wrapper │ │ │ └── gradle-wrapper.properties │ └── settings.gradle ├── ios │ ├── .gitignore │ ├── Flutter │ │ ├── AppFrameworkInfo.plist │ │ ├── Debug.xcconfig │ │ └── Release.xcconfig │ ├── Runner.xcodeproj │ │ ├── project.pbxproj │ │ ├── project.xcworkspace │ │ │ ├── contents.xcworkspacedata │ │ │ └── xcshareddata │ │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ │ └── WorkspaceSettings.xcsettings │ │ └── xcshareddata │ │ │ └── xcschemes │ │ │ └── Runner.xcscheme │ ├── Runner.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ ├── IDEWorkspaceChecks.plist │ │ │ └── WorkspaceSettings.xcsettings │ └── Runner │ │ ├── AppDelegate.swift │ │ ├── Assets.xcassets │ │ ├── AppIcon.appiconset │ │ │ ├── Contents.json │ │ │ ├── Icon-App-1024x1024@1x.png │ │ │ ├── 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-83.5x83.5@2x.png │ │ └── LaunchImage.imageset │ │ │ ├── Contents.json │ │ │ ├── LaunchImage.png │ │ │ ├── LaunchImage@2x.png │ │ │ ├── LaunchImage@3x.png │ │ │ └── README.md │ │ ├── Base.lproj │ │ ├── LaunchScreen.storyboard │ │ └── Main.storyboard │ │ ├── Info.plist │ │ └── Runner-Bridging-Header.h ├── lib │ └── main.dart └── pubspec.yaml ├── lib ├── infinite_widgets.dart └── src │ ├── grid.dart │ └── list.dart ├── pubspec.lock ├── pubspec.yaml └── test └── infinite_widgets_test.dart /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | .dart_tool/ 3 | 4 | .packages 5 | .pub/ 6 | 7 | build/ 8 | ios/.generated/ 9 | ios/Flutter/Generated.xcconfig 10 | ios/Runner/GeneratedPluginRegistrant.* 11 | /infinite_widgets.iml 12 | .idea 13 | -------------------------------------------------------------------------------- /.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: 30ba6575c0d1159df573561a3871a272b11e52c6 8 | channel: master 9 | 10 | project_type: package 11 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ## [2.0.2] - 16/07/2022 2 | 3 | * Better scroll controller handling 4 | 5 | ## [2.0.1] - 15/06/2022 6 | 7 | * migrate to Flutter 3. 8 | 9 | ## [2.0.0] - 19/03/2021 10 | 11 | * migrate to null safety. 12 | 13 | ## [1.0.0] - 27/01/2019 14 | 15 | * initial release. 16 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | ----------- 3 | 4 | Copyright (c) 2019 Jimmy Aumard 5 | Permission is hereby granted, free of charge, to any person 6 | obtaining a copy of this software and associated documentation 7 | files (the "Software"), to deal in the Software without 8 | restriction, including without limitation the rights to use, 9 | copy, modify, merge, publish, distribute, sublicense, and/or sell 10 | copies of the Software, and to permit persons to whom the 11 | Software is furnished to do so, subject to the following 12 | conditions: 13 | 14 | The above copyright notice and this permission notice shall be 15 | included in all copies or substantial portions of the Software. 16 | 17 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 19 | OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 | NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 21 | HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 22 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 24 | OTHER DEALINGS IN THE SOFTWARE. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # infinite_widgets 2 | 3 | Infinite layout widgets like lists, grids... 4 | 5 | ## Infinite list 6 | InfiniteListView has same attributes as a normal flutter ListView widget. 7 | 8 | ``` 9 | InfiniteListView.separated( 10 | itemBuilder: (context, index) { 11 | return Text('$index', style: TextStyle(color: Colors.red, fontWeight: FontWeight.bold)); 12 | }, 13 | itemCount: _data.length, // Current itemCount you have 14 | hasNext: _data.length < 200, // let the widget know if you have more data to show or not 15 | nextData: this.loadNextData, // callback called when end to the list is reach and hasNext is true 16 | separatorBuilder: (context, index) => Divider(height: 1), 17 | ), 18 | ); 19 | ``` 20 | 21 | You can specify the last loading row by providing `loadingWidget`. 22 | 23 | You can interact with the trigger to load additional data by default it's `300` but you can override it with `scrollThreshold`. 24 | 25 | ## Infinite grid 26 | InfiniteGridView has same attributes as a normal flutter GridView widget. 27 | ``` 28 | InfiniteGridView( 29 | gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 4), 30 | itemBuilder: (context, index) { 31 | return Text('$index', style: TextStyle(color: Colors.white)); 32 | }, 33 | itemCount: _data.length, // Current itemCount you have 34 | hasNext: _data.length < 200, // let the widget know if you have more data to show or not 35 | nextData: this.loadNextData, // callback called when end to the list is reach and hasNext is true 36 | ), 37 | ); 38 | ``` 39 | 40 | You can specify the last loading row by providing `loadingWidget`. 41 | 42 | You can interact with the trigger to load additional data by default it's `300` but you can override it with `scrollThreshold`. 43 | -------------------------------------------------------------------------------- /example/.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.lock 4 | *.log 5 | *.pyc 6 | *.swp 7 | .DS_Store 8 | .atom/ 9 | .buildlog/ 10 | .history 11 | .svn/ 12 | 13 | # IntelliJ related 14 | *.iml 15 | *.ipr 16 | *.iws 17 | .idea/ 18 | 19 | # Visual Studio Code related 20 | .vscode/ 21 | 22 | # Flutter/Dart/Pub related 23 | **/doc/api/ 24 | .dart_tool/ 25 | .flutter-plugins 26 | .packages 27 | .pub-cache/ 28 | .pub/ 29 | build/ 30 | 31 | # Android related 32 | **/android/**/gradle-wrapper.jar 33 | **/android/.gradle 34 | **/android/captures/ 35 | **/android/gradlew 36 | **/android/gradlew.bat 37 | **/android/local.properties 38 | **/android/**/GeneratedPluginRegistrant.java 39 | 40 | # iOS/XCode related 41 | **/ios/**/*.mode1v3 42 | **/ios/**/*.mode2v3 43 | **/ios/**/*.moved-aside 44 | **/ios/**/*.pbxuser 45 | **/ios/**/*.perspectivev3 46 | **/ios/**/*sync/ 47 | **/ios/**/.sconsign.dblite 48 | **/ios/**/.tags* 49 | **/ios/**/.vagrant/ 50 | **/ios/**/DerivedData/ 51 | **/ios/**/Icon? 52 | **/ios/**/Pods/ 53 | **/ios/**/.symlinks/ 54 | **/ios/**/profile 55 | **/ios/**/xcuserdata 56 | **/ios/.generated/ 57 | **/ios/Flutter/App.framework 58 | **/ios/Flutter/Flutter.framework 59 | **/ios/Flutter/Generated.xcconfig 60 | **/ios/Flutter/app.flx 61 | **/ios/Flutter/app.zip 62 | **/ios/Flutter/flutter_assets/ 63 | **/ios/ServiceDefinitions.json 64 | **/ios/Runner/GeneratedPluginRegistrant.* 65 | 66 | # Exceptions to above rules. 67 | !**/ios/**/default.mode1v3 68 | !**/ios/**/default.mode2v3 69 | !**/ios/**/default.pbxuser 70 | !**/ios/**/default.perspectivev3 71 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 72 | -------------------------------------------------------------------------------- /example/.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. 5 | 6 | version: 7 | revision: f1875d570e39de09040c8f79aa13cc56baab8db1 8 | channel: stable 9 | 10 | project_type: app 11 | 12 | # Tracks metadata for the flutter migrate command 13 | migration: 14 | platforms: 15 | - platform: root 16 | create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 17 | base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 18 | - platform: android 19 | create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 20 | base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 21 | - platform: ios 22 | create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 23 | base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 24 | - platform: linux 25 | create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 26 | base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 27 | - platform: macos 28 | create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 29 | base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 30 | - platform: web 31 | create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 32 | base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 33 | - platform: windows 34 | create_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 35 | base_revision: f1875d570e39de09040c8f79aa13cc56baab8db1 36 | 37 | # User provided section 38 | 39 | # List of Local paths (relative to this file) that should be 40 | # ignored by the migrate tool. 41 | # 42 | # Files that are not part of the templates will be ignored by default. 43 | unmanaged_files: 44 | - 'lib/main.dart' 45 | - 'ios/Runner.xcodeproj/project.pbxproj' 46 | -------------------------------------------------------------------------------- /example/README.md: -------------------------------------------------------------------------------- 1 | # example 2 | 3 | ``` 4 | import 'package:flutter/material.dart'; 5 | import 'package:infinite_widgets/infinite_widgets.dart'; 6 | 7 | void main() { 8 | print('app started'); 9 | runApp(MyApp()); 10 | } 11 | 12 | class MyApp extends StatelessWidget { 13 | // This widget is the root of your application. 14 | @override 15 | Widget build(BuildContext context) { 16 | return MaterialApp( 17 | title: 'Flutter Demo', 18 | theme: ThemeData( 19 | primarySwatch: Colors.blue, 20 | ), 21 | routes: { 22 | '/': (context) => MyHomePage(title: 'Flutter Demo Home Page'), 23 | '/list': (context) => InfiniteListExample(), 24 | '/grid': (context) => InfiniteGridExample(), 25 | }, 26 | ); 27 | } 28 | } 29 | 30 | class MyHomePage extends StatelessWidget { 31 | final String title; 32 | 33 | const MyHomePage({Key key, this.title}) : super(key: key); 34 | 35 | @override 36 | Widget build(BuildContext context) { 37 | return Scaffold( 38 | appBar: AppBar( 39 | title: Text(title), 40 | ), 41 | body: Padding( 42 | padding: const EdgeInsets.all(8.0), 43 | child: Column( 44 | crossAxisAlignment: CrossAxisAlignment.stretch, 45 | children: [ 46 | RaisedButton( 47 | onPressed: () { 48 | Navigator.pushNamed(context, '/list'); 49 | }, 50 | child: Text('Infinite list'), 51 | ), 52 | RaisedButton( 53 | onPressed: () { 54 | Navigator.pushNamed(context, '/grid'); 55 | }, 56 | child: Text('Infinite grid'), 57 | ), 58 | ], 59 | ), 60 | ), 61 | ); 62 | } 63 | } 64 | 65 | class InfiniteListExample extends StatefulWidget { 66 | @override 67 | State createState() { 68 | return _InfiniteListExampleState(); 69 | } 70 | } 71 | 72 | class _InfiniteListExampleState extends State { 73 | List _data = []; 74 | 75 | @override 76 | void initState() { 77 | super.initState(); 78 | } 79 | 80 | @override 81 | Widget build(BuildContext context) { 82 | return Scaffold( 83 | appBar: AppBar( 84 | title: Text('Infinite list'), 85 | ), 86 | body: InfiniteListView.separated( 87 | itemBuilder: (context, index) { 88 | return Padding( 89 | padding: const EdgeInsets.all(12.0), 90 | child: Text('$index', style: TextStyle(color: Colors.red, fontWeight: FontWeight.bold)), 91 | ); 92 | }, 93 | itemCount: _data.length, 94 | hasNext: _data.length < 200, 95 | nextData: this.loadNextData, 96 | separatorBuilder: (context, index) => Divider(height: 1), 97 | ), 98 | ); 99 | } 100 | 101 | loadNextData() { 102 | final initialIndex = _data.length; 103 | final finalIndex = _data.length + 10; 104 | print('load data from ${_data.length}'); 105 | 106 | Future.delayed(Duration(seconds: 3), () { 107 | for (var i = initialIndex; i < finalIndex; ++i) { 108 | _data.add(i); 109 | } 110 | print('${_data.length} data now'); 111 | setState(() {}); 112 | }); 113 | } 114 | } 115 | 116 | class InfiniteGridExample extends StatefulWidget { 117 | @override 118 | State createState() { 119 | return _InfiniteGridExampleState(); 120 | } 121 | } 122 | 123 | class _InfiniteGridExampleState extends State { 124 | List _data = []; 125 | 126 | @override 127 | void initState() { 128 | super.initState(); 129 | } 130 | 131 | @override 132 | Widget build(BuildContext context) { 133 | return Scaffold( 134 | appBar: AppBar( 135 | title: Text('Infinite grid'), 136 | ), 137 | body: InfiniteGridView( 138 | gridDelegate: 139 | SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 4), 140 | itemBuilder: (context, index) { 141 | return Padding( 142 | padding: const EdgeInsets.all(4.0), 143 | child: Container( 144 | color: Colors.grey, 145 | child: Center( 146 | child: Padding( 147 | padding: const EdgeInsets.all(12.0), 148 | child: Text('$index', style: TextStyle(color: Colors.white)), 149 | ), 150 | ), 151 | ), 152 | ); 153 | }, 154 | itemCount: _data.length, 155 | hasNext: _data.length < 200, 156 | nextData: this.loadNextData, 157 | ), 158 | ); 159 | } 160 | 161 | loadNextData() { 162 | final initialIndex = _data.length; 163 | final finalIndex = _data.length + 10; 164 | print('load data from ${_data.length}'); 165 | 166 | Future.delayed(Duration(seconds: 3), () { 167 | for (var i = initialIndex; i < finalIndex; ++i) { 168 | _data.add(i); 169 | } 170 | print('${_data.length} data now'); 171 | setState(() {}); 172 | }); 173 | } 174 | } 175 | 176 | ``` -------------------------------------------------------------------------------- /example/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 | -------------------------------------------------------------------------------- /example/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 | -------------------------------------------------------------------------------- /example/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: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion flutter.compileSdkVersion 30 | ndkVersion flutter.ndkVersion 31 | 32 | compileOptions { 33 | sourceCompatibility JavaVersion.VERSION_1_8 34 | targetCompatibility JavaVersion.VERSION_1_8 35 | } 36 | 37 | kotlinOptions { 38 | jvmTarget = '1.8' 39 | } 40 | 41 | sourceSets { 42 | main.java.srcDirs += 'src/main/kotlin' 43 | } 44 | 45 | defaultConfig { 46 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 47 | applicationId "com.example.example" 48 | // You can update the following values to match your application needs. 49 | // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration. 50 | minSdkVersion flutter.minSdkVersion 51 | targetSdkVersion flutter.targetSdkVersion 52 | versionCode flutterVersionCode.toInteger() 53 | versionName flutterVersionName 54 | } 55 | 56 | buildTypes { 57 | release { 58 | // TODO: Add your own signing config for the release build. 59 | // Signing with the debug keys for now, so `flutter run --release` works. 60 | signingConfig signingConfigs.debug 61 | } 62 | } 63 | } 64 | 65 | flutter { 66 | source '../..' 67 | } 68 | 69 | dependencies { 70 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 71 | } 72 | -------------------------------------------------------------------------------- /example/android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 15 | 19 | 23 | 24 | 25 | 26 | 27 | 28 | 30 | 33 | 34 | 35 | -------------------------------------------------------------------------------- /example/android/app/src/main/kotlin/com/example/example/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.example 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() { 6 | } 7 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable-v21/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jaumard/infinite_widgets/a09a8e80c8417c1895fe2a6362f33bdf0922e157/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jaumard/infinite_widgets/a09a8e80c8417c1895fe2a6362f33bdf0922e157/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jaumard/infinite_widgets/a09a8e80c8417c1895fe2a6362f33bdf0922e157/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jaumard/infinite_widgets/a09a8e80c8417c1895fe2a6362f33bdf0922e157/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jaumard/infinite_widgets/a09a8e80c8417c1895fe2a6362f33bdf0922e157/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/values-night/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /example/android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.6.10' 3 | repositories { 4 | google() 5 | mavenCentral() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:7.1.2' 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}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | task clean(type: Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /example/android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.useAndroidX=true 3 | android.enableJetifier=true 4 | -------------------------------------------------------------------------------- /example/android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip 7 | -------------------------------------------------------------------------------- /example/android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties") 4 | def properties = new Properties() 5 | 6 | assert localPropertiesFile.exists() 7 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } 8 | 9 | def flutterSdkPath = properties.getProperty("flutter.sdk") 10 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 11 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" 12 | -------------------------------------------------------------------------------- /example/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 | -------------------------------------------------------------------------------- /example/ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 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 | -------------------------------------------------------------------------------- /example/ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /example/ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 50; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m 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"Runner-Bridging-Header.h"; sourceTree = ""; }; 36 | 74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = ""; }; 37 | 7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = ""; }; 38 | 9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = ""; }; 39 | 9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = ""; }; 40 | 97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; }; 41 | 97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = ""; }; 42 | 97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = ""; }; 43 | 97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = ""; }; 44 | 97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = ""; }; 45 | /* End PBXFileReference section */ 46 | 47 | /* Begin PBXFrameworksBuildPhase section */ 48 | 97C146EB1CF9000F007C117D /* Frameworks */ = { 49 | isa = PBXFrameworksBuildPhase; 50 | buildActionMask = 2147483647; 51 | files = ( 52 | ); 53 | runOnlyForDeploymentPostprocessing = 0; 54 | }; 55 | 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Profile */, 467 | ); 468 | defaultConfigurationIsVisible = 0; 469 | defaultConfigurationName = Release; 470 | }; 471 | 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */ = { 472 | isa = XCConfigurationList; 473 | buildConfigurations = ( 474 | 97C147061CF9000F007C117D /* Debug */, 475 | 97C147071CF9000F007C117D /* Release */, 476 | 249021D4217E4FDB00AE95B9 /* Profile */, 477 | ); 478 | defaultConfigurationIsVisible = 0; 479 | defaultConfigurationName = Release; 480 | }; 481 | /* End XCConfigurationList section */ 482 | }; 483 | rootObject = 97C146E61CF9000F007C117D /* Project object */; 484 | } 485 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/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 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | PreviewsEnabled 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/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 | -------------------------------------------------------------------------------- /example/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 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jaumard/infinite_widgets/a09a8e80c8417c1895fe2a6362f33bdf0922e157/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png: -------------------------------------------------------------------------------- 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: "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 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/jaumard/infinite_widgets/a09a8e80c8417c1895fe2a6362f33bdf0922e157/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png: -------------------------------------------------------------------------------- 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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. -------------------------------------------------------------------------------- /example/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 | -------------------------------------------------------------------------------- /example/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 | -------------------------------------------------------------------------------- /example/ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleDisplayName 8 | Example 9 | CFBundleExecutable 10 | $(EXECUTABLE_NAME) 11 | CFBundleIdentifier 12 | $(PRODUCT_BUNDLE_IDENTIFIER) 13 | CFBundleInfoDictionaryVersion 14 | 6.0 15 | CFBundleName 16 | example 17 | CFBundlePackageType 18 | APPL 19 | CFBundleShortVersionString 20 | $(FLUTTER_BUILD_NAME) 21 | CFBundleSignature 22 | ???? 23 | CFBundleVersion 24 | $(FLUTTER_BUILD_NUMBER) 25 | LSRequiresIPhoneOS 26 | 27 | UILaunchStoryboardName 28 | LaunchScreen 29 | UIMainStoryboardFile 30 | Main 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | UISupportedInterfaceOrientations~ipad 38 | 39 | UIInterfaceOrientationPortrait 40 | UIInterfaceOrientationPortraitUpsideDown 41 | UIInterfaceOrientationLandscapeLeft 42 | UIInterfaceOrientationLandscapeRight 43 | 44 | UIViewControllerBasedStatusBarAppearance 45 | 46 | CADisableMinimumFrameDurationOnPhone 47 | 48 | 49 | 50 | -------------------------------------------------------------------------------- /example/ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" 2 | -------------------------------------------------------------------------------- /example/lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:infinite_widgets/infinite_widgets.dart'; 3 | 4 | void main() { 5 | print('app started'); 6 | runApp(MyApp()); 7 | } 8 | 9 | class MyApp extends StatelessWidget { 10 | // This widget is the root of your application. 11 | @override 12 | Widget build(BuildContext context) { 13 | return MaterialApp( 14 | title: 'Flutter Demo', 15 | theme: ThemeData( 16 | primarySwatch: Colors.blue, 17 | ), 18 | routes: { 19 | '/': (context) => MyHomePage(title: 'Flutter Demo Home Page'), 20 | '/list': (context) => InfiniteListExample(), 21 | '/grid': (context) => InfiniteGridExample(), 22 | }, 23 | ); 24 | } 25 | } 26 | 27 | class MyHomePage extends StatelessWidget { 28 | final String title; 29 | 30 | const MyHomePage({Key key, this.title}) : super(key: key); 31 | 32 | @override 33 | Widget build(BuildContext context) { 34 | return Scaffold( 35 | appBar: AppBar( 36 | title: Text(title), 37 | ), 38 | body: Padding( 39 | padding: const EdgeInsets.all(8.0), 40 | child: Column( 41 | crossAxisAlignment: CrossAxisAlignment.stretch, 42 | children: [ 43 | RaisedButton( 44 | onPressed: () { 45 | Navigator.pushNamed(context, '/list'); 46 | }, 47 | child: Text('Infinite list'), 48 | ), 49 | RaisedButton( 50 | onPressed: () { 51 | Navigator.pushNamed(context, '/grid'); 52 | }, 53 | child: Text('Infinite grid'), 54 | ), 55 | ], 56 | ), 57 | ), 58 | ); 59 | } 60 | } 61 | 62 | class InfiniteListExample extends StatefulWidget { 63 | @override 64 | State createState() { 65 | return _InfiniteListExampleState(); 66 | } 67 | } 68 | 69 | class _InfiniteListExampleState extends State { 70 | List _data = []; 71 | ScrollController _controller = ScrollController(); 72 | 73 | @override 74 | void initState() { 75 | super.initState(); 76 | } 77 | 78 | @override 79 | Widget build(BuildContext context) { 80 | return Scaffold( 81 | appBar: AppBar( 82 | title: Text('Infinite list'), 83 | ), 84 | body: Scrollbar( 85 | controller: _controller, 86 | child: InfiniteListView.separated( 87 | controller: _controller, 88 | itemBuilder: (context, index) { 89 | return InkWell( 90 | onTap: (){ 91 | setState(() { 92 | _controller = ScrollController(); 93 | }); 94 | }, 95 | child: Padding( 96 | padding: const EdgeInsets.all(12.0), 97 | child: Text('$index', style: TextStyle(color: Colors.red, fontWeight: FontWeight.bold)), 98 | ), 99 | ); 100 | }, 101 | itemCount: _data.length, 102 | hasNext: _data.length < 200, 103 | nextData: this.loadNextData, 104 | separatorBuilder: (context, index) => Divider(height: 1), 105 | ), 106 | ), 107 | ); 108 | } 109 | 110 | loadNextData() { 111 | final initialIndex = _data.length; 112 | final finalIndex = _data.length + 10; 113 | print('load data from ${_data.length}'); 114 | 115 | Future.delayed(Duration(seconds: 3), () { 116 | for (var i = initialIndex; i < finalIndex; ++i) { 117 | _data.add(i); 118 | } 119 | print('${_data.length} data now'); 120 | setState(() {}); 121 | }); 122 | } 123 | } 124 | 125 | class InfiniteGridExample extends StatefulWidget { 126 | @override 127 | State createState() { 128 | return _InfiniteGridExampleState(); 129 | } 130 | } 131 | 132 | class _InfiniteGridExampleState extends State { 133 | List _data = []; 134 | ScrollController _controller = ScrollController(); 135 | 136 | @override 137 | void initState() { 138 | super.initState(); 139 | } 140 | 141 | @override 142 | Widget build(BuildContext context) { 143 | return Scaffold( 144 | appBar: AppBar( 145 | title: Text('Infinite grid'), 146 | ), 147 | body: Scrollbar( 148 | controller: _controller, 149 | child: InfiniteGridView( 150 | controller: _controller, 151 | gridDelegate: 152 | SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 4), 153 | itemBuilder: (context, index) { 154 | return InkWell( 155 | onTap: () => setState(() { 156 | _controller = ScrollController(); 157 | }), 158 | child: Padding( 159 | padding: const EdgeInsets.all(4.0), 160 | child: ColoredBox( 161 | color: Colors.grey, 162 | child: Center( 163 | child: Padding( 164 | padding: const EdgeInsets.all(12.0), 165 | child: Text('$index', style: TextStyle(color: Colors.white)), 166 | ), 167 | ), 168 | ), 169 | ), 170 | ); 171 | }, 172 | itemCount: _data.length, 173 | hasNext: _data.length < 200, 174 | nextData: this.loadNextData, 175 | ), 176 | ), 177 | ); 178 | } 179 | 180 | loadNextData() { 181 | final initialIndex = _data.length; 182 | final finalIndex = _data.length + 10; 183 | print('load data from ${_data.length}'); 184 | 185 | Future.delayed(Duration(seconds: 3), () { 186 | for (var i = initialIndex; i < finalIndex; ++i) { 187 | _data.add(i); 188 | } 189 | print('${_data.length} data now'); 190 | setState(() {}); 191 | }); 192 | } 193 | } 194 | -------------------------------------------------------------------------------- /example/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: example 2 | description: A new Flutter project. 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 | # Read more about versioning at semver.org. 10 | version: 1.0.0+1 11 | publish_to: none 12 | 13 | environment: 14 | sdk: ">=2.0.0-dev.68.0 <3.0.0" 15 | 16 | dependencies: 17 | infinite_widgets: 18 | path: '..' 19 | flutter: 20 | sdk: flutter 21 | 22 | # The following adds the Cupertino Icons font to your application. 23 | # Use with the CupertinoIcons class for iOS style icons. 24 | cupertino_icons: ^0.1.2 25 | 26 | dev_dependencies: 27 | flutter_test: 28 | sdk: flutter 29 | 30 | 31 | # For information on the generic Dart part of this file, see the 32 | # following page: https://www.dartlang.org/tools/pub/pubspec 33 | 34 | # The following section is specific to Flutter. 35 | flutter: 36 | 37 | # The following line ensures that the Material Icons font is 38 | # included with your application, so that you can use the icons in 39 | # the material Icons class. 40 | uses-material-design: true 41 | 42 | # To add assets to your application, add an assets section, like this: 43 | # assets: 44 | # - images/a_dot_burr.jpeg 45 | # - images/a_dot_ham.jpeg 46 | 47 | # An image asset can refer to one or more resolution-specific "variants", see 48 | # https://flutter.io/assets-and-images/#resolution-aware. 49 | 50 | # For details regarding adding assets from package dependencies, see 51 | # https://flutter.io/assets-and-images/#from-packages 52 | 53 | # To add custom fonts to your application, add a fonts section here, 54 | # in this "flutter" section. Each entry in this list should have a 55 | # "family" key with the font family name, and a "fonts" key with a 56 | # list giving the asset and other descriptors for the font. For 57 | # example: 58 | # fonts: 59 | # - family: Schyler 60 | # fonts: 61 | # - asset: fonts/Schyler-Regular.ttf 62 | # - asset: fonts/Schyler-Italic.ttf 63 | # style: italic 64 | # - family: Trajan Pro 65 | # fonts: 66 | # - asset: fonts/TrajanPro.ttf 67 | # - asset: fonts/TrajanPro_Bold.ttf 68 | # weight: 700 69 | # 70 | # For details regarding fonts from package dependencies, 71 | # see https://flutter.io/custom-fonts/#from-packages 72 | -------------------------------------------------------------------------------- /lib/infinite_widgets.dart: -------------------------------------------------------------------------------- 1 | library infinite_widgets; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | part 'src/grid.dart'; 6 | part 'src/list.dart'; 7 | -------------------------------------------------------------------------------- /lib/src/grid.dart: -------------------------------------------------------------------------------- 1 | part of '../infinite_widgets.dart'; 2 | 3 | /// GridView that once the bottom is reach call [nextData] to load more element until [hasNext] is false 4 | /// Use [loadingWidget] to have a custom loading widget 5 | class InfiniteGridView extends StatefulWidget { 6 | final double scrollThreshold; 7 | final Function nextData; 8 | final bool hasNext; 9 | final Widget? loadingWidget; 10 | final Widget Function(BuildContext, int) itemBuilder; 11 | final int itemCount; 12 | final SliverGridDelegate gridDelegate; 13 | final Axis scrollDirection; 14 | final bool reverse; 15 | final ScrollController? controller; 16 | final bool? primary; 17 | final ScrollPhysics? physics; 18 | final bool shrinkWrap; 19 | final EdgeInsetsGeometry? padding; 20 | final bool addAutomaticKeepAlives; 21 | final bool addRepaintBoundaries; 22 | final bool addSemanticIndexes; 23 | final double? cacheExtent; 24 | final int? semanticChildCount; 25 | 26 | /// GridView that once the bottom is reach call [nextData] to load more element until [hasNext] is false 27 | /// Use [loadingWidget] to have a custom loading widget 28 | const InfiniteGridView({ 29 | required this.nextData, 30 | required this.itemBuilder, 31 | required this.itemCount, 32 | required this.gridDelegate, 33 | Key? key, 34 | this.scrollDirection = Axis.vertical, 35 | this.reverse = false, 36 | this.controller, 37 | this.primary, 38 | this.physics, 39 | this.shrinkWrap = false, 40 | this.padding, 41 | this.addAutomaticKeepAlives = true, 42 | this.addRepaintBoundaries = true, 43 | this.addSemanticIndexes = true, 44 | this.cacheExtent, 45 | this.semanticChildCount, 46 | this.scrollThreshold = 300, 47 | this.hasNext = false, 48 | this.loadingWidget, 49 | }) : super(key: key); 50 | 51 | @override 52 | _InfiniteGridViewState createState() { 53 | return new _InfiniteGridViewState(); 54 | } 55 | } 56 | 57 | class _InfiniteGridViewState extends State { 58 | late ScrollController _scrollController; 59 | int? _lastLoadedEvent; 60 | 61 | @override 62 | void initState() { 63 | _scrollController = widget.controller ?? ScrollController(); 64 | _scrollController.addListener(_onScroll); 65 | super.initState(); 66 | } 67 | 68 | @override 69 | void dispose() { 70 | _scrollController.removeListener(_onScroll); 71 | if (widget.controller == null) { 72 | _scrollController.dispose(); 73 | } 74 | super.dispose(); 75 | } 76 | 77 | @override 78 | void didUpdateWidget(InfiniteGridView oldWidget) { 79 | if (oldWidget.itemCount != widget.itemCount) { 80 | _lastLoadedEvent = null; 81 | } 82 | if (oldWidget.controller != widget.controller) { 83 | _scrollController.removeListener(_onScroll); 84 | if (oldWidget.controller == null) { 85 | _scrollController.dispose(); 86 | } 87 | _scrollController = widget.controller ?? ScrollController(); 88 | _scrollController.addListener(_onScroll); 89 | } 90 | super.didUpdateWidget(oldWidget); 91 | } 92 | 93 | bool _hasScroll() { 94 | return _scrollController.position.haveDimensions && 95 | _scrollController.position.maxScrollExtent > 0; 96 | } 97 | 98 | @override 99 | Widget build(BuildContext context) { 100 | return GridView.builder( 101 | itemCount: widget.hasNext ? widget.itemCount + 1 : widget.itemCount, 102 | gridDelegate: widget.gridDelegate, 103 | addAutomaticKeepAlives: widget.addAutomaticKeepAlives, 104 | addRepaintBoundaries: widget.addRepaintBoundaries, 105 | addSemanticIndexes: widget.addSemanticIndexes, 106 | cacheExtent: widget.cacheExtent, 107 | padding: widget.padding, 108 | physics: widget.physics, 109 | primary: widget.primary, 110 | reverse: widget.reverse, 111 | scrollDirection: widget.scrollDirection, 112 | semanticChildCount: widget.semanticChildCount, 113 | shrinkWrap: widget.shrinkWrap, 114 | controller: _scrollController, 115 | itemBuilder: (context, index) { 116 | if (!_hasScroll() && 117 | index == widget.itemCount && 118 | _lastLoadedEvent == null && 119 | widget.hasNext) { 120 | _lastLoadedEvent = widget.itemCount; 121 | WidgetsBinding.instance 122 | .addPostFrameCallback((_) => widget.nextData()); 123 | } 124 | if (index == widget.itemCount) { 125 | return widget.loadingWidget ?? 126 | Center( 127 | child: Padding( 128 | padding: const EdgeInsets.all(8.0), 129 | child: CircularProgressIndicator(), 130 | )); 131 | } 132 | return widget.itemBuilder(context, index); 133 | }, 134 | ); 135 | } 136 | 137 | void _onScroll() { 138 | final maxScroll = _scrollController.position.maxScrollExtent; 139 | final currentScroll = _scrollController.position.pixels; 140 | if (maxScroll - currentScroll <= widget.scrollThreshold && 141 | _lastLoadedEvent == null && 142 | widget.hasNext) { 143 | _lastLoadedEvent = widget.itemCount; 144 | widget.nextData(); 145 | } 146 | } 147 | } 148 | -------------------------------------------------------------------------------- /lib/src/list.dart: -------------------------------------------------------------------------------- 1 | part of '../infinite_widgets.dart'; 2 | 3 | /// ListView that once the bottom is reach call [nextData] to load more element until [hasNext] is false 4 | /// Use [loadingWidget] to have a custom loading widget 5 | class InfiniteListView extends StatefulWidget { 6 | final double scrollThreshold; 7 | final void Function() nextData; 8 | final bool hasNext; 9 | final Widget? loadingWidget; 10 | final Widget Function(BuildContext, int) itemBuilder; 11 | final int itemCount; 12 | final bool _separated; 13 | final Widget Function(BuildContext, int)? _separatorBuilder; 14 | final Axis scrollDirection; 15 | final bool reverse; 16 | final ScrollController? controller; 17 | final bool? primary; 18 | final ScrollPhysics? physics; 19 | final bool shrinkWrap; 20 | final EdgeInsetsGeometry? padding; 21 | final bool addAutomaticKeepAlives; 22 | final bool addRepaintBoundaries; 23 | final bool addSemanticIndexes; 24 | final double? cacheExtent; 25 | final int? semanticChildCount; 26 | final double? itemExtent; 27 | 28 | /// ListView that once the bottom is reach call [nextData] to load more element until [hasNext] is false 29 | /// Use [loadingWidget] to have a custom loading widget 30 | const InfiniteListView({ 31 | required this.itemBuilder, 32 | required this.itemCount, 33 | required this.nextData, 34 | Key? key, 35 | this.scrollDirection = Axis.vertical, 36 | this.reverse = false, 37 | this.padding, 38 | this.addAutomaticKeepAlives = true, 39 | this.addRepaintBoundaries = true, 40 | this.addSemanticIndexes = true, 41 | this.cacheExtent, 42 | this.controller, 43 | this.primary, 44 | this.physics, 45 | this.shrinkWrap = false, 46 | this.loadingWidget, 47 | this.scrollThreshold = 300, 48 | this.hasNext = false, 49 | }) : _separated = false, 50 | _separatorBuilder = null, 51 | semanticChildCount = null, 52 | itemExtent = null, 53 | super(key: key); 54 | 55 | /// ListView that once the bottom is reach call [nextData] to load more element until [hasNext] is false 56 | /// Use [loadingWidget] to have a custom loading widget 57 | /// This constructor allow a [separatorBuilder] for you to add a divider or equivalent 58 | const InfiniteListView.separated({ 59 | required this.itemBuilder, 60 | required this.itemCount, 61 | required this.nextData, 62 | required Function(BuildContext, int) separatorBuilder, 63 | Key? key, 64 | this.semanticChildCount, 65 | this.itemExtent, 66 | this.scrollDirection = Axis.vertical, 67 | this.reverse = false, 68 | this.padding, 69 | this.addAutomaticKeepAlives = true, 70 | this.addRepaintBoundaries = true, 71 | this.addSemanticIndexes = true, 72 | this.cacheExtent, 73 | this.controller, 74 | this.primary, 75 | this.physics, 76 | this.shrinkWrap = false, 77 | this.loadingWidget, 78 | this.scrollThreshold = 300, 79 | this.hasNext = false, 80 | }) : _separated = true, 81 | _separatorBuilder = 82 | separatorBuilder as Widget Function(BuildContext, int)?, 83 | super(key: key); 84 | 85 | @override 86 | State createState() { 87 | return _InfiniteListViewState(); 88 | } 89 | } 90 | 91 | class _InfiniteListViewState extends State { 92 | late ScrollController _scrollController; 93 | int? _lastLoadedEvent; 94 | 95 | @override 96 | void initState() { 97 | _scrollController = widget.controller ?? ScrollController(); 98 | _scrollController.addListener(_onScroll); 99 | super.initState(); 100 | } 101 | 102 | @override 103 | void dispose() { 104 | _scrollController.removeListener(_onScroll); 105 | if (widget.controller == null) { 106 | _scrollController.dispose(); 107 | } 108 | super.dispose(); 109 | } 110 | 111 | @override 112 | void didUpdateWidget(InfiniteListView oldWidget) { 113 | if (oldWidget.itemCount != widget.itemCount) { 114 | _lastLoadedEvent = null; 115 | } 116 | if (oldWidget.controller != widget.controller) { 117 | _scrollController.removeListener(_onScroll); 118 | if (oldWidget.controller == null) { 119 | _scrollController.dispose(); 120 | } 121 | _scrollController = widget.controller ?? ScrollController(); 122 | _scrollController.addListener(_onScroll); 123 | } 124 | super.didUpdateWidget(oldWidget); 125 | } 126 | 127 | bool _hasScroll() { 128 | return _scrollController.position.haveDimensions && 129 | _scrollController.position.maxScrollExtent > 0; 130 | } 131 | 132 | @override 133 | Widget build(BuildContext context) { 134 | final itemBuilder = (BuildContext context, int index) { 135 | if (!_hasScroll() && 136 | index == widget.itemCount && 137 | _lastLoadedEvent == null && 138 | widget.hasNext) { 139 | _lastLoadedEvent = widget.itemCount; 140 | WidgetsBinding.instance.addPostFrameCallback((_) => widget.nextData()); 141 | } 142 | 143 | if (index == widget.itemCount) { 144 | return widget.loadingWidget ?? 145 | Center( 146 | child: Padding( 147 | padding: const EdgeInsets.all(8.0), 148 | child: CircularProgressIndicator(), 149 | )); 150 | } 151 | return widget.itemBuilder(context, index); 152 | }; 153 | 154 | if (widget._separated) { 155 | return ListView.separated( 156 | itemBuilder: itemBuilder, 157 | controller: _scrollController, 158 | scrollDirection: widget.scrollDirection, 159 | reverse: widget.reverse, 160 | padding: widget.padding, 161 | addAutomaticKeepAlives: widget.addAutomaticKeepAlives, 162 | addRepaintBoundaries: widget.addRepaintBoundaries, 163 | addSemanticIndexes: widget.addSemanticIndexes, 164 | cacheExtent: widget.cacheExtent, 165 | primary: widget.primary, 166 | physics: widget.physics, 167 | shrinkWrap: widget.shrinkWrap, 168 | separatorBuilder: widget._separatorBuilder!, 169 | itemCount: widget.hasNext ? widget.itemCount + 1 : widget.itemCount, 170 | ); 171 | } 172 | 173 | return ListView.builder( 174 | itemBuilder: itemBuilder, 175 | controller: _scrollController, 176 | scrollDirection: widget.scrollDirection, 177 | reverse: widget.reverse, 178 | itemExtent: widget.itemExtent, 179 | padding: widget.padding, 180 | semanticChildCount: widget.semanticChildCount, 181 | addAutomaticKeepAlives: widget.addAutomaticKeepAlives, 182 | addRepaintBoundaries: widget.addRepaintBoundaries, 183 | addSemanticIndexes: widget.addSemanticIndexes, 184 | cacheExtent: widget.cacheExtent, 185 | primary: widget.primary, 186 | physics: widget.physics, 187 | shrinkWrap: widget.shrinkWrap, 188 | itemCount: widget.hasNext ? widget.itemCount + 1 : widget.itemCount, 189 | ); 190 | } 191 | 192 | void _onScroll() { 193 | final maxScroll = _scrollController.position.maxScrollExtent; 194 | final currentScroll = _scrollController.position.pixels; 195 | if (maxScroll - currentScroll <= widget.scrollThreshold && 196 | _lastLoadedEvent == null && 197 | widget.hasNext) { 198 | _lastLoadedEvent = widget.itemCount; 199 | widget.nextData(); 200 | } 201 | } 202 | } 203 | -------------------------------------------------------------------------------- /pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.8.2" 11 | boolean_selector: 12 | dependency: transitive 13 | description: 14 | name: boolean_selector 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "2.1.0" 18 | characters: 19 | dependency: transitive 20 | description: 21 | name: characters 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "1.2.0" 25 | charcode: 26 | dependency: transitive 27 | description: 28 | name: charcode 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.3.1" 32 | clock: 33 | dependency: transitive 34 | description: 35 | name: clock 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "1.1.0" 39 | collection: 40 | dependency: transitive 41 | description: 42 | name: collection 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "1.16.0" 46 | fake_async: 47 | dependency: transitive 48 | description: 49 | name: fake_async 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "1.3.0" 53 | flutter: 54 | dependency: "direct main" 55 | description: flutter 56 | source: sdk 57 | version: "0.0.0" 58 | flutter_test: 59 | dependency: "direct dev" 60 | description: flutter 61 | source: sdk 62 | version: "0.0.0" 63 | matcher: 64 | dependency: transitive 65 | description: 66 | name: matcher 67 | url: "https://pub.dartlang.org" 68 | source: hosted 69 | version: "0.12.11" 70 | material_color_utilities: 71 | dependency: transitive 72 | description: 73 | name: material_color_utilities 74 | url: "https://pub.dartlang.org" 75 | source: hosted 76 | version: "0.1.4" 77 | meta: 78 | dependency: transitive 79 | description: 80 | name: meta 81 | url: "https://pub.dartlang.org" 82 | source: hosted 83 | version: "1.7.0" 84 | path: 85 | dependency: transitive 86 | description: 87 | name: path 88 | url: "https://pub.dartlang.org" 89 | source: hosted 90 | version: "1.8.1" 91 | sky_engine: 92 | dependency: transitive 93 | description: flutter 94 | source: sdk 95 | version: "0.0.99" 96 | source_span: 97 | dependency: transitive 98 | description: 99 | name: source_span 100 | url: "https://pub.dartlang.org" 101 | source: hosted 102 | version: "1.8.2" 103 | stack_trace: 104 | dependency: transitive 105 | description: 106 | name: stack_trace 107 | url: "https://pub.dartlang.org" 108 | source: hosted 109 | version: "1.10.0" 110 | stream_channel: 111 | dependency: transitive 112 | description: 113 | name: stream_channel 114 | url: "https://pub.dartlang.org" 115 | source: hosted 116 | version: "2.1.0" 117 | string_scanner: 118 | dependency: transitive 119 | description: 120 | name: string_scanner 121 | url: "https://pub.dartlang.org" 122 | source: hosted 123 | version: "1.1.0" 124 | term_glyph: 125 | dependency: transitive 126 | description: 127 | name: term_glyph 128 | url: "https://pub.dartlang.org" 129 | source: hosted 130 | version: "1.2.0" 131 | test_api: 132 | dependency: transitive 133 | description: 134 | name: test_api 135 | url: "https://pub.dartlang.org" 136 | source: hosted 137 | version: "0.4.9" 138 | vector_math: 139 | dependency: transitive 140 | description: 141 | name: vector_math 142 | url: "https://pub.dartlang.org" 143 | source: hosted 144 | version: "2.1.2" 145 | sdks: 146 | dart: ">=2.17.0 <3.0.0" 147 | flutter: ">=3.0.0" 148 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: infinite_widgets 2 | description: Infinite layout widgets, allow you to easily create infinite list or infinite grid from database or network calls. 3 | version: 2.0.2 4 | homepage: https://github.com/jaumard/infinite_widgets 5 | 6 | environment: 7 | sdk: '>=2.17.0 <3.0.0' 8 | flutter: ">=3.0.0" 9 | 10 | dependencies: 11 | flutter: 12 | sdk: flutter 13 | 14 | dev_dependencies: 15 | flutter_test: 16 | sdk: flutter 17 | 18 | flutter: 19 | -------------------------------------------------------------------------------- /test/infinite_widgets_test.dart: -------------------------------------------------------------------------------- 1 | 2 | 3 | void main() { 4 | 5 | } 6 | --------------------------------------------------------------------------------