├── .gitignore ├── .idea ├── .gitignore ├── codeStyles │ └── Project.xml ├── libraries │ ├── Dart_SDK.xml │ └── Flutter_Plugins.xml ├── misc.xml ├── modules.xml ├── runConfigurations │ └── example_lib_main_dart.xml ├── vcs.xml └── workspace.xml ├── .metadata ├── CHANGELOG.md ├── LICENSE ├── README.md ├── android ├── .gitignore ├── CMakeLists.txt ├── build.gradle ├── gradle.properties ├── gradle │ └── wrapper │ │ └── gradle-wrapper.properties ├── settings.gradle └── src │ └── main │ ├── AndroidManifest.xml │ ├── cpp │ ├── native_callbacks_example.cpp │ └── native_callbacks_example.h │ └── kotlin │ └── com │ └── example │ └── native_callbacks_example │ └── NativeCallbacksExamplePlugin.kt ├── example ├── .gitignore ├── .metadata ├── README.md ├── android │ ├── .gitignore │ ├── app │ │ ├── build.gradle │ │ └── src │ │ │ ├── debug │ │ │ └── AndroidManifest.xml │ │ │ ├── main │ │ │ ├── AndroidManifest.xml │ │ │ ├── kotlin │ │ │ │ └── com │ │ │ │ │ └── example │ │ │ │ │ └── native_callbacks_example_example │ │ │ │ │ └── MainActivity.kt │ │ │ └── res │ │ │ │ ├── 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 │ │ │ │ └── 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 │ ├── Podfile │ ├── Podfile.lock │ ├── 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.lock └── pubspec.yaml ├── ios ├── .gitignore ├── Assets │ └── .gitkeep ├── Classes │ ├── NativeCallbacksExamplePlugin.h │ ├── NativeCallbacksExamplePlugin.m │ ├── Shared │ │ ├── CallbackManager.cpp │ │ └── CallbackManager.h │ ├── SwiftNativeCallbacksExamplePlugin.swift │ └── Utils.swift └── native_callbacks_example.podspec ├── lib └── native_callbacks_example.dart ├── native_callbacks_example.iml ├── pubspec.lock └── pubspec.yaml /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | .dart_tool/ 3 | 4 | .packages 5 | .pub/ 6 | 7 | build/ 8 | -------------------------------------------------------------------------------- /.idea/.gitignore: -------------------------------------------------------------------------------- 1 | # Project exclude paths 2 | /. -------------------------------------------------------------------------------- /.idea/codeStyles/Project.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 7 | 8 | 9 |
10 | 11 | 12 | 13 | xmlns:android 14 | 15 | ^$ 16 | 17 | 18 | 19 |
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101 | 102 | 103 | 104 | .* 105 | 106 | .* 107 | 108 | 109 | BY_NAME 110 | 111 |
112 | 113 | 114 | 115 | 116 | -------------------------------------------------------------------------------- /.idea/libraries/Dart_SDK.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /.idea/libraries/Flutter_Plugins.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /.idea/runConfigurations/example_lib_main_dart.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 6 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/workspace.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 25 | 26 | 27 | 32 | 33 | 34 | 36 | 37 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 1588357133803 79 | 83 | 84 | 85 | 86 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | -------------------------------------------------------------------------------- /.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: e0c63cd35e15e407a80dc44281cc392535fcce25 8 | channel: dev 9 | 10 | project_type: plugin 11 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ## 0.0.1 2 | 3 | * TODO: Describe initial release. 4 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | TODO: Add your license here. 2 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # native_callbacks_example 2 | 3 | Example Flutter plugin that calls native code directly via FFI (no MethodChannels) and gets async callbacks. 4 | 5 | As of May 2020, you need to be on the dev channel of Flutter for this to work. 6 | 7 | ## Why 8 | The main motivation for this is to call directly into native NDK code on Android from Dart and get an async result. Also, on any platform, using FFI should involve less performance overhead. 9 | 10 | For example, say you were building a music app, and it needs to call Swift on the iOS side and C++ on the Android side for real-time audio operations. You wouldn't want to use PlatformChannels because of the added latency, and also because on Android you don't need to go through the JVM. 11 | 12 | ## How 13 | 14 | ### Plugin 15 | The Flutter plugin can be found at lib/native_callbacks_example.dart. 16 | 17 | Before doing anything else, you need to call `NativeCallbacksExample.doSetup()`. This gives the native code a reference to Dart_PostCObject, which it will use to send data back to Dart ports. 18 | 19 | It has two async methods: 20 | - `NativeCallbacksExample.methodA()`, which returns a `Future` 21 | - `NativeCallbacksExample.methodB()`, which returns a `Future>` 22 | 23 | Internally, the Dart methods use `singleResponseFuture` from the `isolate` library to create a Dart port and pass it to the native side on each function call, then await the next message received by that port. 24 | 25 | On Android, these methods will call the CPP files in /android/src/main/cpp/native_callbacks_example.cpp. (Note the changes in the C 26 | 27 | On iOS, it will call the Swift file at /ios/Classes/SwiftNativeCallbacksExamplePlugin.swift. 28 | 29 | For both platforms, the shared 'CallbackManager' is in /ios/Classes/Shared. It contains some C helpers to call Dart, and it holds the reference to Dart_PostCObject. (Note the line in the podspec file that adds a reference to these headers as USER_HEADER_SEARCH_PATHS.) 30 | 31 | ### Example app 32 | The example app can be found at example/lib/main.dart. 33 | -------------------------------------------------------------------------------- /android/.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | /.cxx 10 | -------------------------------------------------------------------------------- /android/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.6) 2 | 3 | set (CALLBACK_MANAGER_DIR ../ios/Classes/Shared) 4 | 5 | add_library( 6 | android_native_callbacks_example 7 | SHARED 8 | ${CALLBACK_MANAGER_DIR}/CallbackManager.h 9 | ${CALLBACK_MANAGER_DIR}/CallbackManager.cpp 10 | ./src/main/cpp/native_callbacks_example.cpp) 11 | 12 | target_include_directories(android_native_callbacks_example PUBLIC ${CALLBACK_MANAGER_DIR}) 13 | 14 | find_library( # Sets the name of the path variable. 15 | android-lib 16 | 17 | # Specifies the name of the NDK library that 18 | # you want CMake to locate. 19 | android ) 20 | 21 | target_link_libraries(android_native_callbacks_example log) 22 | target_link_libraries(android_native_callbacks_example ${android-lib}) 23 | -------------------------------------------------------------------------------- /android/build.gradle: -------------------------------------------------------------------------------- 1 | group 'com.example.native_callbacks_example' 2 | version '1.0-SNAPSHOT' 3 | 4 | buildscript { 5 | ext.kotlin_version = '1.3.50' 6 | repositories { 7 | google() 8 | jcenter() 9 | } 10 | 11 | dependencies { 12 | classpath 'com.android.tools.build:gradle:3.5.0' 13 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 14 | } 15 | } 16 | 17 | rootProject.allprojects { 18 | repositories { 19 | google() 20 | jcenter() 21 | } 22 | } 23 | 24 | apply plugin: 'com.android.library' 25 | apply plugin: 'kotlin-android' 26 | 27 | android { 28 | compileSdkVersion 28 29 | 30 | sourceSets { 31 | main.java.srcDirs += 'src/main/kotlin' 32 | } 33 | defaultConfig { 34 | minSdkVersion 16 35 | } 36 | lintOptions { 37 | disable 'InvalidPackage' 38 | } 39 | externalNativeBuild { 40 | cmake { 41 | path "CMakeLists.txt" 42 | } 43 | } 44 | } 45 | 46 | dependencies { 47 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 48 | } 49 | -------------------------------------------------------------------------------- /android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.enableR8=true 3 | android.useAndroidX=true 4 | android.enableJetifier=true 5 | -------------------------------------------------------------------------------- /android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | zipStoreBase=GRADLE_USER_HOME 4 | zipStorePath=wrapper/dists 5 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip 6 | -------------------------------------------------------------------------------- /android/settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = 'native_callbacks_example' 2 | -------------------------------------------------------------------------------- /android/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | -------------------------------------------------------------------------------- /android/src/main/cpp/native_callbacks_example.cpp: -------------------------------------------------------------------------------- 1 | // 2 | // Created by M on 5/2/20. 3 | // 4 | 5 | #include "native_callbacks_example.h" 6 | #include 7 | #include 8 | #include 9 | #include 10 | #include 11 | #include 12 | 13 | 14 | void method_a(Dart_Port callbackPort) { 15 | __android_log_print(ANDROID_LOG_INFO, "NATIVE_CALLBACKS_EXAMPLE", "Started method A"); 16 | 17 | std::thread t([=]() { 18 | std::this_thread::sleep_for(std::chrono::seconds(1)); 19 | 20 | int32_t value = 123; 21 | 22 | callbackToDartInt32(callbackPort, value); 23 | __android_log_print(ANDROID_LOG_INFO, "NATIVE_CALLBACKS_EXAMPLE", "Finished method A"); 24 | }); 25 | 26 | t.detach(); 27 | }; 28 | 29 | void method_b(Dart_Port callbackPort) { 30 | __android_log_print(ANDROID_LOG_INFO, "NATIVE_CALLBACKS_EXAMPLE", "Started method B"); 31 | 32 | std::thread t([=](){ 33 | std::this_thread::sleep_for(std::chrono::seconds(2)); 34 | 35 | const int length = 2; 36 | char** values = new char* [length]; 37 | 38 | values[0] = "abc"; 39 | values[1] = "def"; 40 | 41 | callbackToDartStrArray(callbackPort, length, values); 42 | 43 | delete []values; 44 | __android_log_print(ANDROID_LOG_INFO, "NATIVE_CALLBACKS_EXAMPLE", "Finished method B"); 45 | }); 46 | 47 | t.detach(); 48 | }; 49 | -------------------------------------------------------------------------------- /android/src/main/cpp/native_callbacks_example.h: -------------------------------------------------------------------------------- 1 | // 2 | // Created by M on 5/2/20. 3 | // 4 | 5 | #ifndef NATIVE_CALLBACKS_EXAMPLE_NATIVE_CALLBACKS_EXAMPLE_H 6 | #define NATIVE_CALLBACKS_EXAMPLE_NATIVE_CALLBACKS_EXAMPLE_H 7 | #include 8 | 9 | #ifdef __cplusplus 10 | extern "C" { 11 | #endif 12 | void method_a(Dart_Port callbackPort); 13 | void method_b(Dart_Port callbackPort); 14 | #ifdef __cplusplus 15 | } 16 | #endif 17 | #endif //NATIVE_CALLBACKS_EXAMPLE_NATIVE_CALLBACKS_EXAMPLE_H 18 | -------------------------------------------------------------------------------- /android/src/main/kotlin/com/example/native_callbacks_example/NativeCallbacksExamplePlugin.kt: -------------------------------------------------------------------------------- 1 | package com.example.native_callbacks_example 2 | 3 | import androidx.annotation.NonNull; 4 | 5 | import io.flutter.embedding.engine.plugins.FlutterPlugin 6 | import io.flutter.plugin.common.MethodCall 7 | import io.flutter.plugin.common.MethodChannel 8 | import io.flutter.plugin.common.MethodChannel.MethodCallHandler 9 | import io.flutter.plugin.common.MethodChannel.Result 10 | import io.flutter.plugin.common.PluginRegistry.Registrar 11 | 12 | /** NativeCallbacksExamplePlugin */ 13 | public class NativeCallbacksExamplePlugin: FlutterPlugin, MethodCallHandler { 14 | /// The MethodChannel that will the communication between Flutter and native Android 15 | /// 16 | /// This local reference serves to register the plugin with the Flutter Engine and unregister it 17 | /// when the Flutter Engine is detached from the Activity 18 | private lateinit var channel : MethodChannel 19 | 20 | override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) { 21 | channel = MethodChannel(flutterPluginBinding.getFlutterEngine().getDartExecutor(), "native_callbacks_example") 22 | channel.setMethodCallHandler(this); 23 | } 24 | 25 | // This static function is optional and equivalent to onAttachedToEngine. It supports the old 26 | // pre-Flutter-1.12 Android projects. You are encouraged to continue supporting 27 | // plugin registration via this function while apps migrate to use the new Android APIs 28 | // post-flutter-1.12 via https://flutter.dev/go/android-project-migration. 29 | // 30 | // It is encouraged to share logic between onAttachedToEngine and registerWith to keep 31 | // them functionally equivalent. Only one of onAttachedToEngine or registerWith will be called 32 | // depending on the user's project. onAttachedToEngine or registerWith must both be defined 33 | // in the same class. 34 | companion object { 35 | @JvmStatic 36 | fun registerWith(registrar: Registrar) { 37 | val channel = MethodChannel(registrar.messenger(), "native_callbacks_example") 38 | channel.setMethodCallHandler(NativeCallbacksExamplePlugin()) 39 | } 40 | } 41 | 42 | override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) { 43 | if (call.method == "getPlatformVersion") { 44 | result.success("Android ${android.os.Build.VERSION.RELEASE}") 45 | } else { 46 | result.notImplemented() 47 | } 48 | } 49 | 50 | override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) { 51 | channel.setMethodCallHandler(null) 52 | } 53 | } 54 | -------------------------------------------------------------------------------- /example/.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 | **/ios/Flutter/.last_build_id 26 | .dart_tool/ 27 | .flutter-plugins 28 | .flutter-plugins-dependencies 29 | .packages 30 | .pub-cache/ 31 | .pub/ 32 | /build/ 33 | 34 | # Web related 35 | lib/generated_plugin_registrant.dart 36 | 37 | # Symbolication related 38 | app.*.symbols 39 | 40 | # Obfuscation related 41 | app.*.map.json 42 | 43 | # Exceptions to above rules. 44 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 45 | -------------------------------------------------------------------------------- /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 and should not be manually edited. 5 | 6 | version: 7 | revision: e0c63cd35e15e407a80dc44281cc392535fcce25 8 | channel: dev 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /example/README.md: -------------------------------------------------------------------------------- 1 | # native_callbacks_example_example 2 | 3 | Demonstrates how to use the native_callbacks_example plugin. 4 | 5 | ## Getting Started 6 | 7 | This project is a starting point for a Flutter application. 8 | 9 | A few resources to get you started if this is your first Flutter project: 10 | 11 | - [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab) 12 | - [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook) 13 | 14 | For help getting started with Flutter, view our 15 | [online documentation](https://flutter.dev/docs), which offers tutorials, 16 | samples, guidance on mobile development, and a full API reference. 17 | -------------------------------------------------------------------------------- /example/android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | -------------------------------------------------------------------------------- /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 28 30 | 31 | sourceSets { 32 | main.java.srcDirs += 'src/main/kotlin' 33 | } 34 | 35 | lintOptions { 36 | disable 'InvalidPackage' 37 | } 38 | 39 | defaultConfig { 40 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 41 | applicationId "com.example.native_callbacks_example_example" 42 | minSdkVersion 16 43 | targetSdkVersion 28 44 | versionCode flutterVersionCode.toInteger() 45 | versionName flutterVersionName 46 | } 47 | 48 | buildTypes { 49 | release { 50 | // TODO: Add your own signing config for the release build. 51 | // Signing with the debug keys for now, so `flutter run --release` works. 52 | signingConfig signingConfigs.debug 53 | } 54 | } 55 | } 56 | 57 | flutter { 58 | source '../..' 59 | } 60 | 61 | dependencies { 62 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 63 | } 64 | -------------------------------------------------------------------------------- /example/android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 8 | 12 | 19 | 23 | 27 | 32 | 36 | 37 | 38 | 39 | 40 | 41 | 43 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /example/android/app/src/main/kotlin/com/example/native_callbacks_example_example/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.native_callbacks_example_example 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() { 6 | } 7 | -------------------------------------------------------------------------------- /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: -------------------------------------------------------------------------------- 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-------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /example/android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.3.50' 3 | repositories { 4 | google() 5 | jcenter() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:3.5.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | jcenter() 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.enableR8=true 3 | android.useAndroidX=true 4 | android.enableJetifier=true 5 | -------------------------------------------------------------------------------- /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-5.6.2-all.zip 7 | -------------------------------------------------------------------------------- /example/android/settings.gradle: -------------------------------------------------------------------------------- 1 | // Copyright 2014 The Flutter Authors. All rights reserved. 2 | // Use of this source code is governed by a BSD-style license that can be 3 | // found in the LICENSE file. 4 | 5 | include ':app' 6 | 7 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties") 8 | def properties = new Properties() 9 | 10 | assert localPropertiesFile.exists() 11 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } 12 | 13 | def flutterSdkPath = properties.getProperty("flutter.sdk") 14 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 15 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" 16 | -------------------------------------------------------------------------------- /example/ios/.gitignore: -------------------------------------------------------------------------------- 1 | *.mode1v3 2 | *.mode2v3 3 | *.moved-aside 4 | *.pbxuser 5 | *.perspectivev3 6 | **/*sync/ 7 | .sconsign.dblite 8 | .tags* 9 | **/.vagrant/ 10 | **/DerivedData/ 11 | Icon? 12 | **/Pods/ 13 | **/.symlinks/ 14 | profile 15 | xcuserdata 16 | **/.generated/ 17 | Flutter/App.framework 18 | Flutter/Flutter.framework 19 | Flutter/Flutter.podspec 20 | Flutter/Generated.xcconfig 21 | Flutter/app.flx 22 | Flutter/app.zip 23 | Flutter/flutter_assets/ 24 | Flutter/flutter_export_environment.sh 25 | ServiceDefinitions.json 26 | Runner/GeneratedPluginRegistrant.* 27 | 28 | # Exceptions to above rules. 29 | !default.mode1v3 30 | !default.mode2v3 31 | !default.pbxuser 32 | !default.perspectivev3 33 | -------------------------------------------------------------------------------- /example/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 | 8.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /example/ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" 2 | #include "Generated.xcconfig" 3 | -------------------------------------------------------------------------------- /example/ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" 2 | #include "Generated.xcconfig" 3 | -------------------------------------------------------------------------------- /example/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 | post_install do |installer| 82 | installer.pods_project.targets.each do |target| 83 | target.build_configurations.each do |config| 84 | config.build_settings['ENABLE_BITCODE'] = 'NO' 85 | end 86 | end 87 | end 88 | -------------------------------------------------------------------------------- /example/ios/Podfile.lock: -------------------------------------------------------------------------------- 1 | PODS: 2 | - Flutter (1.0.0) 3 | - native_callbacks_example (0.0.1): 4 | - Flutter 5 | 6 | DEPENDENCIES: 7 | - Flutter (from `Flutter`) 8 | - native_callbacks_example (from `.symlinks/plugins/native_callbacks_example/ios`) 9 | 10 | EXTERNAL SOURCES: 11 | Flutter: 12 | :path: Flutter 13 | native_callbacks_example: 14 | :path: ".symlinks/plugins/native_callbacks_example/ios" 15 | 16 | SPEC CHECKSUMS: 17 | Flutter: 0e3d915762c693b495b44d77113d4970485de6ec 18 | native_callbacks_example: 700d2add47c219c4f3008ac5e5a224133c850142 19 | 20 | PODFILE CHECKSUM: c34e2287a9ccaa606aeceab922830efb9a6ff69a 21 | 22 | COCOAPODS: 1.9.1 23 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; }; 11 | 15AB07FABCE231079F49016A /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B6DBC21C62E7AD9B3C8B0878 /* Pods_Runner.framework */; }; 12 | 3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; }; 13 | 74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; }; 14 | 97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; }; 15 | 97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; }; 16 | 97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; }; 17 | /* End PBXBuildFile section */ 18 | 19 | /* Begin PBXCopyFilesBuildPhase section */ 20 | 9705A1C41CF9048500538489 /* Embed Frameworks */ = { 21 | isa = PBXCopyFilesBuildPhase; 22 | buildActionMask = 2147483647; 23 | dstPath = ""; 24 | dstSubfolderSpec = 10; 25 | files = ( 26 | ); 27 | name = "Embed Frameworks"; 28 | runOnlyForDeploymentPostprocessing = 0; 29 | }; 30 | /* End PBXCopyFilesBuildPhase section */ 31 | 32 | /* Begin PBXFileReference section */ 33 | 1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = ""; }; 34 | 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = ""; }; 35 | 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = ""; }; 36 | 4EFFEDD5D361C5B818B53EEB /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = ""; }; 37 | 74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = ""; }; 38 | 74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = ""; }; 39 | 7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = ""; }; 40 | 9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = ""; }; 41 | 9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = ""; }; 42 | 97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; }; 43 | 97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = ""; }; 44 | 97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = ""; }; 45 | 97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = ""; }; 46 | 97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = ""; }; 47 | 9BBD7643D9E2559012B554ED /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = ""; }; 48 | B6DBC21C62E7AD9B3C8B0878 /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; }; 49 | DCBDE3B722088982C2C4EAA2 /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = ""; }; 50 | /* End PBXFileReference section */ 51 | 52 | /* Begin PBXFrameworksBuildPhase section */ 53 | 97C146EB1CF9000F007C117D /* Frameworks */ = { 54 | isa = PBXFrameworksBuildPhase; 55 | buildActionMask = 2147483647; 56 | files = ( 57 | 15AB07FABCE231079F49016A /* Pods_Runner.framework in Frameworks */, 58 | ); 59 | runOnlyForDeploymentPostprocessing = 0; 60 | }; 61 | /* End PBXFrameworksBuildPhase section */ 62 | 63 | /* Begin PBXGroup section */ 64 | 8462222896E88527CF82325C /* Frameworks */ = { 65 | isa = PBXGroup; 66 | children = ( 67 | B6DBC21C62E7AD9B3C8B0878 /* Pods_Runner.framework */, 68 | ); 69 | name = Frameworks; 70 | sourceTree = ""; 71 | }; 72 | 9740EEB11CF90186004384FC /* Flutter */ = { 73 | isa = PBXGroup; 74 | children = ( 75 | 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */, 76 | 9740EEB21CF90195004384FC /* Debug.xcconfig */, 77 | 7AFA3C8E1D35360C0083082E /* Release.xcconfig */, 78 | 9740EEB31CF90195004384FC /* Generated.xcconfig */, 79 | ); 80 | name = Flutter; 81 | sourceTree = ""; 82 | }; 83 | 97C146E51CF9000F007C117D = { 84 | isa = PBXGroup; 85 | children = ( 86 | 9740EEB11CF90186004384FC /* Flutter */, 87 | 97C146F01CF9000F007C117D /* Runner */, 88 | 97C146EF1CF9000F007C117D /* Products */, 89 | A4ECC274D9DC8D27CE5FF8B2 /* Pods */, 90 | 8462222896E88527CF82325C /* Frameworks */, 91 | ); 92 | sourceTree = ""; 93 | }; 94 | 97C146EF1CF9000F007C117D /* Products */ = { 95 | isa = PBXGroup; 96 | children = ( 97 | 97C146EE1CF9000F007C117D /* Runner.app */, 98 | ); 99 | name = Products; 100 | sourceTree = ""; 101 | }; 102 | 97C146F01CF9000F007C117D /* Runner */ = { 103 | isa = PBXGroup; 104 | children = ( 105 | 97C146FA1CF9000F007C117D /* Main.storyboard */, 106 | 97C146FD1CF9000F007C117D /* Assets.xcassets */, 107 | 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */, 108 | 97C147021CF9000F007C117D /* Info.plist */, 109 | 97C146F11CF9000F007C117D /* Supporting Files */, 110 | 1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */, 111 | 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */, 112 | 74858FAE1ED2DC5600515810 /* AppDelegate.swift */, 113 | 74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */, 114 | ); 115 | path = Runner; 116 | sourceTree = ""; 117 | }; 118 | 97C146F11CF9000F007C117D /* Supporting Files */ = { 119 | isa = PBXGroup; 120 | children = ( 121 | ); 122 | name = "Supporting Files"; 123 | sourceTree = ""; 124 | }; 125 | A4ECC274D9DC8D27CE5FF8B2 /* Pods */ = { 126 | isa = PBXGroup; 127 | children = ( 128 | 9BBD7643D9E2559012B554ED /* Pods-Runner.debug.xcconfig */, 129 | 4EFFEDD5D361C5B818B53EEB /* Pods-Runner.release.xcconfig */, 130 | DCBDE3B722088982C2C4EAA2 /* Pods-Runner.profile.xcconfig */, 131 | ); 132 | name = Pods; 133 | path = Pods; 134 | sourceTree = ""; 135 | }; 136 | /* End PBXGroup section */ 137 | 138 | /* Begin PBXNativeTarget section */ 139 | 97C146ED1CF9000F007C117D /* Runner */ = { 140 | isa = PBXNativeTarget; 141 | buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */; 142 | buildPhases = ( 143 | 6133881827B1BFCC2DEC07D1 /* [CP] Check Pods Manifest.lock */, 144 | 9740EEB61CF901F6004384FC /* Run Script */, 145 | 97C146EA1CF9000F007C117D /* Sources */, 146 | 97C146EB1CF9000F007C117D /* Frameworks */, 147 | 97C146EC1CF9000F007C117D /* Resources */, 148 | 9705A1C41CF9048500538489 /* Embed Frameworks */, 149 | 3B06AD1E1E4923F5004D2608 /* Thin Binary */, 150 | 164A91E2B223039700B1A518 /* [CP] Embed Pods Frameworks */, 151 | ); 152 | buildRules = ( 153 | ); 154 | dependencies = ( 155 | ); 156 | name = Runner; 157 | productName = Runner; 158 | productReference = 97C146EE1CF9000F007C117D /* Runner.app */; 159 | productType = "com.apple.product-type.application"; 160 | }; 161 | /* End PBXNativeTarget section */ 162 | 163 | /* Begin PBXProject section */ 164 | 97C146E61CF9000F007C117D /* Project object */ = { 165 | isa = PBXProject; 166 | attributes = { 167 | LastUpgradeCheck = 1020; 168 | ORGANIZATIONNAME = ""; 169 | TargetAttributes = { 170 | 97C146ED1CF9000F007C117D = { 171 | CreatedOnToolsVersion = 7.3.1; 172 | LastSwiftMigration = 1100; 173 | }; 174 | }; 175 | }; 176 | buildConfigurationList = 97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */; 177 | compatibilityVersion = "Xcode 9.3"; 178 | developmentRegion = en; 179 | hasScannedForEncodings = 0; 180 | knownRegions = ( 181 | en, 182 | Base, 183 | ); 184 | mainGroup = 97C146E51CF9000F007C117D; 185 | productRefGroup = 97C146EF1CF9000F007C117D /* Products */; 186 | projectDirPath = ""; 187 | projectRoot = ""; 188 | targets = ( 189 | 97C146ED1CF9000F007C117D /* Runner */, 190 | ); 191 | }; 192 | /* End PBXProject section */ 193 | 194 | /* Begin PBXResourcesBuildPhase section */ 195 | 97C146EC1CF9000F007C117D /* Resources */ = { 196 | isa = PBXResourcesBuildPhase; 197 | buildActionMask = 2147483647; 198 | files = ( 199 | 97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */, 200 | 3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */, 201 | 97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */, 202 | 97C146FC1CF9000F007C117D /* Main.storyboard in Resources */, 203 | ); 204 | runOnlyForDeploymentPostprocessing = 0; 205 | }; 206 | /* End PBXResourcesBuildPhase section */ 207 | 208 | /* Begin PBXShellScriptBuildPhase section */ 209 | 164A91E2B223039700B1A518 /* [CP] Embed Pods Frameworks */ = { 210 | isa = PBXShellScriptBuildPhase; 211 | buildActionMask = 2147483647; 212 | files = ( 213 | ); 214 | inputPaths = ( 215 | "${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh", 216 | "${PODS_ROOT}/../Flutter/Flutter.framework", 217 | "${BUILT_PRODUCTS_DIR}/native_callbacks_example/native_callbacks_example.framework", 218 | ); 219 | name = "[CP] Embed Pods Frameworks"; 220 | outputPaths = ( 221 | "${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Flutter.framework", 222 | "${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/native_callbacks_example.framework", 223 | ); 224 | runOnlyForDeploymentPostprocessing = 0; 225 | shellPath = /bin/sh; 226 | shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n"; 227 | showEnvVarsInLog = 0; 228 | }; 229 | 3B06AD1E1E4923F5004D2608 /* Thin Binary */ = { 230 | isa = PBXShellScriptBuildPhase; 231 | buildActionMask = 2147483647; 232 | files = ( 233 | ); 234 | inputPaths = ( 235 | ); 236 | name = "Thin Binary"; 237 | outputPaths = ( 238 | ); 239 | runOnlyForDeploymentPostprocessing = 0; 240 | shellPath = /bin/sh; 241 | shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin"; 242 | }; 243 | 6133881827B1BFCC2DEC07D1 /* [CP] Check Pods Manifest.lock */ = { 244 | isa = PBXShellScriptBuildPhase; 245 | buildActionMask = 2147483647; 246 | files = ( 247 | ); 248 | inputFileListPaths = ( 249 | ); 250 | inputPaths = ( 251 | "${PODS_PODFILE_DIR_PATH}/Podfile.lock", 252 | "${PODS_ROOT}/Manifest.lock", 253 | ); 254 | name = "[CP] Check Pods Manifest.lock"; 255 | outputFileListPaths = ( 256 | ); 257 | outputPaths = ( 258 | "$(DERIVED_FILE_DIR)/Pods-Runner-checkManifestLockResult.txt", 259 | ); 260 | runOnlyForDeploymentPostprocessing = 0; 261 | shellPath = /bin/sh; 262 | shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n # print error to STDERR\n echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n"; 263 | showEnvVarsInLog = 0; 264 | }; 265 | 9740EEB61CF901F6004384FC /* Run Script */ = { 266 | isa = PBXShellScriptBuildPhase; 267 | buildActionMask = 2147483647; 268 | files = ( 269 | ); 270 | inputPaths = ( 271 | ); 272 | name = "Run Script"; 273 | outputPaths = ( 274 | ); 275 | runOnlyForDeploymentPostprocessing = 0; 276 | shellPath = /bin/sh; 277 | shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" build"; 278 | }; 279 | /* End PBXShellScriptBuildPhase section */ 280 | 281 | /* Begin PBXSourcesBuildPhase section */ 282 | 97C146EA1CF9000F007C117D /* Sources */ = { 283 | isa = PBXSourcesBuildPhase; 284 | buildActionMask = 2147483647; 285 | files = ( 286 | 74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */, 287 | 1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */, 288 | ); 289 | runOnlyForDeploymentPostprocessing = 0; 290 | }; 291 | /* End PBXSourcesBuildPhase section */ 292 | 293 | /* Begin PBXVariantGroup section */ 294 | 97C146FA1CF9000F007C117D /* Main.storyboard */ = { 295 | isa = PBXVariantGroup; 296 | children = ( 297 | 97C146FB1CF9000F007C117D /* Base */, 298 | ); 299 | name = Main.storyboard; 300 | sourceTree = ""; 301 | }; 302 | 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */ = { 303 | isa = PBXVariantGroup; 304 | children = ( 305 | 97C147001CF9000F007C117D /* Base */, 306 | ); 307 | name = LaunchScreen.storyboard; 308 | sourceTree = ""; 309 | }; 310 | /* End PBXVariantGroup section */ 311 | 312 | /* Begin XCBuildConfiguration section */ 313 | 249021D3217E4FDB00AE95B9 /* Profile */ = { 314 | isa = XCBuildConfiguration; 315 | buildSettings = { 316 | ALWAYS_SEARCH_USER_PATHS = NO; 317 | CLANG_ANALYZER_NONNULL = YES; 318 | CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x"; 319 | CLANG_CXX_LIBRARY 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-------------------------------------------------------------------------------- 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 | 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 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /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/mikeperri/flutter-native-callbacks-example/d89469e0e55e6ef995982fb1ad1db572891f23c7/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png -------------------------------------------------------------------------------- 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"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 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mikeperri/flutter-native-callbacks-example/d89469e0e55e6ef995982fb1ad1db572891f23c7/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mikeperri/flutter-native-callbacks-example/d89469e0e55e6ef995982fb1ad1db572891f23c7/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mikeperri/flutter-native-callbacks-example/d89469e0e55e6ef995982fb1ad1db572891f23c7/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png -------------------------------------------------------------------------------- /example/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. -------------------------------------------------------------------------------- /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 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | native_callbacks_example_example 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 | -------------------------------------------------------------------------------- /example/ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" 2 | -------------------------------------------------------------------------------- /example/lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'dart:async'; 3 | 4 | import 'package:async/async.dart'; 5 | import 'package:native_callbacks_example/native_callbacks_example.dart'; 6 | 7 | void main() { 8 | runApp(MyApp()); 9 | } 10 | 11 | class MyApp extends StatefulWidget { 12 | @override 13 | _MyAppState createState() => _MyAppState(); 14 | } 15 | 16 | class _MyAppState extends State { 17 | CancelableOperation methodAOperation; 18 | CancelableOperation> methodBOperation; 19 | int methodAResult; 20 | List methodBResult; 21 | 22 | @override 23 | void initState() { 24 | super.initState(); 25 | NativeCallbacksExample.doSetup(); 26 | getNativeData(); 27 | } 28 | 29 | Future getNativeData() async { 30 | methodAOperation?.cancel(); 31 | methodBOperation?.cancel(); 32 | 33 | setState(() { 34 | methodAResult = null; 35 | methodBResult = null; 36 | }); 37 | 38 | methodAOperation = CancelableOperation.fromFuture(NativeCallbacksExample.methodA()); 39 | methodAOperation 40 | .value 41 | .then((_methodAResult) { 42 | setState(() { 43 | methodAResult = _methodAResult; 44 | }); 45 | }); 46 | 47 | methodBOperation = CancelableOperation.fromFuture(NativeCallbacksExample.methodB()); 48 | methodBOperation 49 | .value 50 | .then((_methodBResult) { 51 | setState(() { 52 | methodBResult = _methodBResult; 53 | }); 54 | }); 55 | } 56 | 57 | @override 58 | Widget build(BuildContext context) { 59 | return MaterialApp( 60 | home: Scaffold( 61 | appBar: AppBar( 62 | title: const Text('Plugin example app'), 63 | ), 64 | body: Column( 65 | mainAxisAlignment: MainAxisAlignment.center, 66 | children: [ 67 | Center(child: Text('Method A result: $methodAResult')), 68 | Center(child: Text('Method B result: ${methodBResult?.join()}')), 69 | RaisedButton( 70 | onPressed: getNativeData, 71 | child: Text('Call native methods'), 72 | ), 73 | ], 74 | ), 75 | ), 76 | ); 77 | } 78 | } 79 | -------------------------------------------------------------------------------- /example/pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: "direct main" 6 | description: 7 | name: async 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.4.1" 11 | collection: 12 | dependency: transitive 13 | description: 14 | name: collection 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "1.14.12" 18 | cupertino_icons: 19 | dependency: "direct main" 20 | description: 21 | name: cupertino_icons 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "0.1.3" 25 | flutter: 26 | dependency: "direct main" 27 | description: flutter 28 | source: sdk 29 | version: "0.0.0" 30 | isolate: 31 | dependency: transitive 32 | description: 33 | name: isolate 34 | url: "https://pub.dartlang.org" 35 | source: hosted 36 | version: "2.0.3" 37 | meta: 38 | dependency: transitive 39 | description: 40 | name: meta 41 | url: "https://pub.dartlang.org" 42 | source: hosted 43 | version: "1.1.8" 44 | native_callbacks_example: 45 | dependency: "direct main" 46 | description: 47 | path: ".." 48 | relative: true 49 | source: path 50 | version: "0.0.1" 51 | sky_engine: 52 | dependency: transitive 53 | description: flutter 54 | source: sdk 55 | version: "0.0.99" 56 | typed_data: 57 | dependency: transitive 58 | description: 59 | name: typed_data 60 | url: "https://pub.dartlang.org" 61 | source: hosted 62 | version: "1.1.6" 63 | vector_math: 64 | dependency: transitive 65 | description: 66 | name: vector_math 67 | url: "https://pub.dartlang.org" 68 | source: hosted 69 | version: "2.0.8" 70 | sdks: 71 | dart: ">=2.7.0 <3.0.0" 72 | flutter: ">=1.18.0-8.0.pre" 73 | -------------------------------------------------------------------------------- /example/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: native_callbacks_example_example 2 | description: Demonstrates how to use the native_callbacks_example plugin. 3 | 4 | # The following line prevents the package from being accidentally published to 5 | # pub.dev using `pub publish`. This is preferred for private packages. 6 | publish_to: 'none' # Remove this line if you wish to publish to pub.dev 7 | 8 | environment: 9 | sdk: ">=2.7.0 <3.0.0" 10 | 11 | dependencies: 12 | flutter: 13 | sdk: flutter 14 | async: "^2.4.1" 15 | 16 | native_callbacks_example: 17 | # When depending on this package from a real application you should use: 18 | # native_callbacks_example: ^x.y.z 19 | # See https://dart.dev/tools/pub/dependencies#version-constraints 20 | # The example app is bundled with the plugin so we use a path dependency on 21 | # the parent directory to use the current plugin's version. 22 | path: ../ 23 | 24 | # The following adds the Cupertino Icons font to your application. 25 | # Use with the CupertinoIcons class for iOS style icons. 26 | cupertino_icons: ^0.1.3 27 | 28 | # For information on the generic Dart part of this file, see the 29 | # following page: https://dart.dev/tools/pub/pubspec 30 | 31 | # The following section is specific to Flutter. 32 | flutter: 33 | 34 | # The following line ensures that the Material Icons font is 35 | # included with your application, so that you can use the icons in 36 | # the material Icons class. 37 | uses-material-design: true 38 | 39 | # To add assets to your application, add an assets section, like this: 40 | # assets: 41 | # - images/a_dot_burr.jpeg 42 | # - images/a_dot_ham.jpeg 43 | 44 | # An image asset can refer to one or more resolution-specific "variants", see 45 | # https://flutter.dev/assets-and-images/#resolution-aware. 46 | 47 | # For details regarding adding assets from package dependencies, see 48 | # https://flutter.dev/assets-and-images/#from-packages 49 | 50 | # To add custom fonts to your application, add a fonts section here, 51 | # in this "flutter" section. Each entry in this list should have a 52 | # "family" key with the font family name, and a "fonts" key with a 53 | # list giving the asset and other descriptors for the font. For 54 | # example: 55 | # fonts: 56 | # - family: Schyler 57 | # fonts: 58 | # - asset: fonts/Schyler-Regular.ttf 59 | # - asset: fonts/Schyler-Italic.ttf 60 | # style: italic 61 | # - family: Trajan Pro 62 | # fonts: 63 | # - asset: fonts/TrajanPro.ttf 64 | # - asset: fonts/TrajanPro_Bold.ttf 65 | # weight: 700 66 | # 67 | # For details regarding fonts from package dependencies, 68 | # see https://flutter.dev/custom-fonts/#from-packages 69 | -------------------------------------------------------------------------------- /ios/.gitignore: -------------------------------------------------------------------------------- 1 | .idea/ 2 | .vagrant/ 3 | .sconsign.dblite 4 | .svn/ 5 | 6 | .DS_Store 7 | *.swp 8 | profile 9 | 10 | DerivedData/ 11 | build/ 12 | GeneratedPluginRegistrant.h 13 | GeneratedPluginRegistrant.m 14 | 15 | .generated/ 16 | 17 | *.pbxuser 18 | *.mode1v3 19 | *.mode2v3 20 | *.perspectivev3 21 | 22 | !default.pbxuser 23 | !default.mode1v3 24 | !default.mode2v3 25 | !default.perspectivev3 26 | 27 | xcuserdata 28 | 29 | *.moved-aside 30 | 31 | *.pyc 32 | *sync/ 33 | Icon? 34 | .tags* 35 | 36 | /Flutter/Generated.xcconfig 37 | /Flutter/flutter_export_environment.sh -------------------------------------------------------------------------------- /ios/Assets/.gitkeep: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/mikeperri/flutter-native-callbacks-example/d89469e0e55e6ef995982fb1ad1db572891f23c7/ios/Assets/.gitkeep -------------------------------------------------------------------------------- /ios/Classes/NativeCallbacksExamplePlugin.h: -------------------------------------------------------------------------------- 1 | #import 2 | 3 | @interface NativeCallbacksExamplePlugin : NSObject 4 | @end 5 | -------------------------------------------------------------------------------- /ios/Classes/NativeCallbacksExamplePlugin.m: -------------------------------------------------------------------------------- 1 | #import "./Shared/CallbackManager.h" 2 | 3 | #import "NativeCallbacksExamplePlugin.h" 4 | #if __has_include() 5 | #import 6 | #else 7 | // Support project import fallback if the generated compatibility header 8 | // is not copied when this plugin is created as a library. 9 | // https://forums.swift.org/t/swift-static-libraries-dont-copy-generated-objective-c-header/19816 10 | #import "native_callbacks_example-Swift.h" 11 | #endif 12 | 13 | @implementation NativeCallbacksExamplePlugin 14 | + (void)registerWithRegistrar:(NSObject*)registrar { 15 | [SwiftNativeCallbacksExamplePlugin registerWithRegistrar:registrar]; 16 | } 17 | @end 18 | -------------------------------------------------------------------------------- /ios/Classes/Shared/CallbackManager.cpp: -------------------------------------------------------------------------------- 1 | // 2 | // CallbackManager.cpp 3 | // native_callbacks_example 4 | // 5 | // Created by M on 5/1/20. 6 | // 7 | 8 | #include 9 | #include "CallbackManager.h" 10 | 11 | Dart_PostCObjectType dartPostCObject = NULL; 12 | 13 | void RegisterDart_PostCObject(Dart_PostCObjectType _dartPostCObject) { 14 | dartPostCObject = _dartPostCObject; 15 | } 16 | 17 | void callbackToDartInt32(Dart_Port callbackPort, int32_t value) { 18 | Dart_CObject dart_object; 19 | dart_object.type = Dart_CObject_kInt32; 20 | dart_object.value.as_int32 = value; 21 | 22 | bool result = dartPostCObject(callbackPort, &dart_object); 23 | if (!result) { 24 | printf("call from native to Dart failed, result was: %d\n", result); 25 | } 26 | } 27 | 28 | void callbackToDartStrArray(Dart_Port callbackPort, int length, char** values) { 29 | Dart_CObject **valueObjects = new Dart_CObject *[length]; 30 | int i; 31 | for (i = 0; i < length; i++) { 32 | Dart_CObject *valueObject = new Dart_CObject; 33 | valueObject->type = Dart_CObject_kString; 34 | valueObject->value.as_string = values[i]; 35 | 36 | valueObjects[i] = valueObject; 37 | } 38 | 39 | Dart_CObject dart_object; 40 | dart_object.type = Dart_CObject_kArray; 41 | dart_object.value.as_array.length = length; 42 | dart_object.value.as_array.values = valueObjects; 43 | 44 | bool result = dartPostCObject(callbackPort, &dart_object); 45 | if (!result) { 46 | printf("call from native to Dart failed, result was: %d\n", result); 47 | } 48 | 49 | for (i = 0; i < length; i++) { 50 | delete valueObjects[i]; 51 | } 52 | delete[] valueObjects; 53 | } 54 | -------------------------------------------------------------------------------- /ios/Classes/Shared/CallbackManager.h: -------------------------------------------------------------------------------- 1 | // 2 | // CallbackManager.h 3 | // native_callbacks_example 4 | // 5 | // Created by M on 5/1/20. 6 | // 7 | 8 | #ifndef CallbackManager_h 9 | #define CallbackManager_h 10 | 11 | #include 12 | #include 13 | 14 | // dart_api.h 15 | typedef int64_t Dart_Port; 16 | 17 | typedef enum { 18 | Dart_TypedData_kByteData = 0, 19 | Dart_TypedData_kInt8, 20 | Dart_TypedData_kUint8, 21 | Dart_TypedData_kUint8Clamped, 22 | Dart_TypedData_kInt16, 23 | Dart_TypedData_kUint16, 24 | Dart_TypedData_kInt32, 25 | Dart_TypedData_kUint32, 26 | Dart_TypedData_kInt64, 27 | Dart_TypedData_kUint64, 28 | Dart_TypedData_kFloat32, 29 | Dart_TypedData_kFloat64, 30 | Dart_TypedData_kFloat32x4, 31 | Dart_TypedData_kInvalid 32 | } Dart_TypedData_Type; 33 | 34 | typedef struct _Dart_WeakPersistentHandle* Dart_WeakPersistentHandle; 35 | 36 | typedef void (*Dart_WeakPersistentHandleFinalizer)( 37 | void* isolate_callback_data, 38 | Dart_WeakPersistentHandle handle, 39 | void* peer); 40 | 41 | // dart_native_api.h 42 | typedef enum { 43 | Dart_CObject_kNull = 0, 44 | Dart_CObject_kBool, 45 | Dart_CObject_kInt32, 46 | Dart_CObject_kInt64, 47 | Dart_CObject_kDouble, 48 | Dart_CObject_kString, 49 | Dart_CObject_kArray, 50 | Dart_CObject_kTypedData, 51 | Dart_CObject_kExternalTypedData, 52 | Dart_CObject_kSendPort, 53 | Dart_CObject_kCapability, 54 | Dart_CObject_kUnsupported, 55 | Dart_CObject_kNumberOfTypes 56 | } Dart_CObject_Type; 57 | 58 | typedef struct _Dart_CObject { 59 | Dart_CObject_Type type; 60 | union { 61 | bool as_bool; 62 | int32_t as_int32; 63 | int64_t as_int64; 64 | double as_double; 65 | char* as_string; 66 | struct { 67 | Dart_Port id; 68 | Dart_Port origin_id; 69 | } as_send_port; 70 | struct { 71 | int64_t id; 72 | } as_capability; 73 | struct { 74 | intptr_t length; 75 | struct _Dart_CObject** values; 76 | } as_array; 77 | struct { 78 | Dart_TypedData_Type type; 79 | intptr_t length; 80 | uint8_t* values; 81 | } as_typed_data; 82 | struct { 83 | Dart_TypedData_Type type; 84 | intptr_t length; 85 | uint8_t* data; 86 | void* peer; 87 | Dart_WeakPersistentHandleFinalizer callback; 88 | } as_external_typed_data; 89 | } value; 90 | } Dart_CObject; 91 | 92 | typedef bool (*Dart_PostCObjectType)(Dart_Port port_id, Dart_CObject* message); 93 | 94 | #ifdef __cplusplus 95 | extern "C" { 96 | #endif 97 | void RegisterDart_PostCObject(Dart_PostCObjectType _dartPostCObject); 98 | void callbackToDartInt32(Dart_Port callbackPort, int32_t value); 99 | void callbackToDartStrArray(Dart_Port callbackPort, int length, char** values); 100 | #ifdef __cplusplus 101 | } 102 | #endif 103 | 104 | #endif /* CallbackManager_h */ 105 | -------------------------------------------------------------------------------- /ios/Classes/SwiftNativeCallbacksExamplePlugin.swift: -------------------------------------------------------------------------------- 1 | import Flutter 2 | import UIKit 3 | 4 | public class SwiftNativeCallbacksExamplePlugin: NSObject, FlutterPlugin { 5 | public static func register(with registrar: FlutterPluginRegistrar) { 6 | let channel = FlutterMethodChannel(name: "native_callbacks_example", binaryMessenger: registrar.messenger()) 7 | let instance = SwiftNativeCallbacksExamplePlugin() 8 | registrar.addMethodCallDelegate(instance, channel: channel) 9 | } 10 | 11 | public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) { 12 | result("iOS " + UIDevice.current.systemVersion) 13 | } 14 | } 15 | 16 | func swiftCallbackToDartStrArray(callbackPort: Dart_Port, values: [String]) -> Void { 17 | withArrayOfCStrings(values) { (cStrings: [UnsafeMutablePointer?]) in 18 | var cStringsVariable = cStrings 19 | 20 | callbackToDartStrArray( 21 | callbackPort, 22 | Int32(values.count), 23 | &cStringsVariable 24 | ) 25 | } 26 | } 27 | 28 | @_cdecl("method_a") 29 | func methodA(callbackPort: Dart_Port) { 30 | print("Started method A") 31 | let number = Int32(123) 32 | 33 | DispatchQueue.global(qos: .background).asyncAfter(deadline: .now() + 1) { 34 | callbackToDartInt32( 35 | callbackPort, 36 | number 37 | ) 38 | print("Finished method A") 39 | } 40 | } 41 | 42 | @_cdecl("method_b") 43 | func methodB(callbackPort: Dart_Port) { 44 | print("Started method B") 45 | let strings = ["abc", "def"] 46 | 47 | DispatchQueue.global(qos: .background).asyncAfter(deadline: .now() + 2) { 48 | swiftCallbackToDartStrArray( 49 | callbackPort: callbackPort, 50 | values: strings 51 | ) 52 | print("Finished method B") 53 | } 54 | } 55 | -------------------------------------------------------------------------------- /ios/Classes/Utils.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Utils.swift 3 | // native_callbacks_example 4 | // 5 | // Created by M on 5/2/20. 6 | // 7 | 8 | import Foundation 9 | 10 | func scan< 11 | S : Sequence, U 12 | >(_ seq: S, _ initial: U, _ combine: (U, S.Iterator.Element) -> U) -> [U] { 13 | var result: [U] = [] 14 | result.reserveCapacity(seq.underestimatedCount) 15 | var runningResult = initial 16 | for element in seq { 17 | runningResult = combine(runningResult, element) 18 | result.append(runningResult) 19 | } 20 | return result 21 | } 22 | 23 | public func withArrayOfCStrings( 24 | _ args: [String], 25 | _ body: ([UnsafeMutablePointer?]) -> R 26 | ) -> R { 27 | let argsCounts = Array(args.map { $0.utf8.count + 1 }) 28 | let argsOffsets = [ 0 ] + scan(argsCounts, 0, +) 29 | let argsBufferSize = argsOffsets.last! 30 | 31 | var argsBuffer: [UInt8] = [] 32 | argsBuffer.reserveCapacity(argsBufferSize) 33 | for arg in args { 34 | argsBuffer.append(contentsOf: arg.utf8) 35 | argsBuffer.append(0) 36 | } 37 | 38 | return argsBuffer.withUnsafeMutableBufferPointer { 39 | (argsBuffer) in 40 | let ptr = UnsafeMutableRawPointer(argsBuffer.baseAddress!).bindMemory( 41 | to: CChar.self, capacity: argsBuffer.count) 42 | var cStrings: [UnsafeMutablePointer?] = argsOffsets.map { ptr + $0 } 43 | cStrings[cStrings.count - 1] = nil 44 | return body(cStrings) 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /ios/native_callbacks_example.podspec: -------------------------------------------------------------------------------- 1 | # 2 | # To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html. 3 | # Run `pod lib lint native_callbacks_example.podspec' to validate before publishing. 4 | # 5 | Pod::Spec.new do |s| 6 | s.name = 'native_callbacks_example' 7 | s.version = '0.0.1' 8 | s.summary = 'A new flutter plugin project.' 9 | s.description = <<-DESC 10 | A new flutter plugin project. 11 | DESC 12 | s.homepage = 'http://example.com' 13 | s.license = { :file => '../LICENSE' } 14 | s.author = { 'Your Company' => 'email@example.com' } 15 | s.source = { :path => '.' } 16 | s.source_files = 'Classes/**/*' 17 | s.xcconfig = { 'USER_HEADER_SEARCH_PATHS' => '"${PROJECT_DIR}/.."/Classes/Shared/*' } 18 | s.dependency 'Flutter' 19 | s.platform = :ios, '8.0' 20 | 21 | # Flutter.framework does not contain a i386 slice. Only x86_64 simulators are supported. 22 | s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'VALID_ARCHS[sdk=iphonesimulator*]' => 'x86_64' } 23 | s.swift_version = '5.0' 24 | end 25 | -------------------------------------------------------------------------------- /lib/native_callbacks_example.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | import 'dart:ffi'; 3 | import 'dart:io'; 4 | import 'package:isolate/ports.dart'; 5 | 6 | final DynamicLibrary nativeLib = Platform.isAndroid 7 | ? DynamicLibrary.open('libandroid_native_callbacks_example.so') 8 | : DynamicLibrary.executable(); 9 | 10 | final nRegisterPostCObject = nativeLib.lookupFunction< 11 | Void Function( 12 | Pointer)>> 13 | functionPointer), 14 | void Function( 15 | Pointer)>> 16 | functionPointer)>('RegisterDart_PostCObject'); 17 | 18 | final nMethodA = nativeLib 19 | .lookupFunction('method_a'); 20 | 21 | final nMethodB = nativeLib 22 | .lookupFunction('method_b'); 23 | 24 | class NativeCallbacksExample { 25 | // Must be called once, before any other method 26 | static void doSetup() { 27 | nRegisterPostCObject(NativeApi.postCObject); 28 | } 29 | 30 | static Future methodA() async { 31 | return singleResponseFuture((port) => nMethodA(port.nativePort)); 32 | } 33 | 34 | static Future> methodB() async { 35 | final future = singleResponseFuture>((port) => nMethodB(port.nativePort)); 36 | return future.then((List list) { 37 | return list.cast(); 38 | }); 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /native_callbacks_example.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | collection: 5 | dependency: transitive 6 | description: 7 | name: collection 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "1.14.12" 11 | flutter: 12 | dependency: "direct main" 13 | description: flutter 14 | source: sdk 15 | version: "0.0.0" 16 | isolate: 17 | dependency: "direct main" 18 | description: 19 | name: isolate 20 | url: "https://pub.dartlang.org" 21 | source: hosted 22 | version: "2.0.3" 23 | meta: 24 | dependency: transitive 25 | description: 26 | name: meta 27 | url: "https://pub.dartlang.org" 28 | source: hosted 29 | version: "1.1.8" 30 | sky_engine: 31 | dependency: transitive 32 | description: flutter 33 | source: sdk 34 | version: "0.0.99" 35 | typed_data: 36 | dependency: transitive 37 | description: 38 | name: typed_data 39 | url: "https://pub.dartlang.org" 40 | source: hosted 41 | version: "1.1.6" 42 | vector_math: 43 | dependency: transitive 44 | description: 45 | name: vector_math 46 | url: "https://pub.dartlang.org" 47 | source: hosted 48 | version: "2.0.8" 49 | sdks: 50 | dart: ">=2.7.0 <3.0.0" 51 | flutter: ">=1.18.0-8.0.pre" 52 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: native_callbacks_example 2 | description: An example of a Flutter plugin that calls directly into native code and gets an asynchronous callback 3 | version: 0.0.1 4 | author: 5 | homepage: 6 | 7 | environment: 8 | sdk: ">=2.7.0 <3.0.0" 9 | flutter: ">=1.18.0-8.0.pre" 10 | 11 | dependencies: 12 | flutter: 13 | sdk: flutter 14 | isolate: "^2.0.3" 15 | 16 | # For information on the generic Dart part of this file, see the 17 | # following page: https://dart.dev/tools/pub/pubspec 18 | 19 | # The following section is specific to Flutter. 20 | flutter: 21 | # This section identifies this Flutter project as a plugin project. 22 | # The 'pluginClass' and Android 'package' identifiers should not ordinarily 23 | # be modified. They are used by the tooling to maintain consistency when 24 | # adding or updating assets for this project. 25 | plugin: 26 | platforms: 27 | android: 28 | package: com.example.native_callbacks_example 29 | pluginClass: NativeCallbacksExamplePlugin 30 | ios: 31 | pluginClass: NativeCallbacksExamplePlugin 32 | 33 | # To add assets to your plugin package, add an assets section, like this: 34 | # assets: 35 | # - images/a_dot_burr.jpeg 36 | # - images/a_dot_ham.jpeg 37 | # 38 | # For details regarding assets in packages, see 39 | # https://flutter.dev/assets-and-images/#from-packages 40 | # 41 | # An image asset can refer to one or more resolution-specific "variants", see 42 | # https://flutter.dev/assets-and-images/#resolution-aware. 43 | 44 | # To add custom fonts to your plugin package, add a fonts section here, 45 | # in this "flutter" section. Each entry in this list should have a 46 | # "family" key with the font family name, and a "fonts" key with a 47 | # list giving the asset and other descriptors for the font. For 48 | # example: 49 | # fonts: 50 | # - family: Schyler 51 | # fonts: 52 | # - asset: fonts/Schyler-Regular.ttf 53 | # - asset: fonts/Schyler-Italic.ttf 54 | # style: italic 55 | # - family: Trajan Pro 56 | # fonts: 57 | # - asset: fonts/TrajanPro.ttf 58 | # - asset: fonts/TrajanPro_Bold.ttf 59 | # weight: 700 60 | # 61 | # For details regarding fonts in packages, see 62 | # https://flutter.dev/custom-fonts/#from-packages 63 | --------------------------------------------------------------------------------