├── README.md
├── android
├── .gitignore
├── app
│ ├── build.gradle
│ └── src
│ │ ├── debug
│ │ └── AndroidManifest.xml
│ │ ├── main
│ │ ├── AndroidManifest.xml
│ │ ├── kotlin
│ │ │ └── com
│ │ │ │ └── example
│ │ │ │ └── grpc_web_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
├── Runner.xcodeproj
│ ├── project.pbxproj
│ ├── project.xcworkspace
│ │ └── contents.xcworkspacedata
│ └── xcshareddata
│ │ └── xcschemes
│ │ └── Runner.xcscheme
├── Runner.xcworkspace
│ └── contents.xcworkspacedata
└── 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
├── echo.pb.dart
├── echo.pbenum.dart
├── echo.pbgrpc.dart
├── echo.pbjson.dart
└── main.dart
├── pubspec.lock
├── pubspec.yaml
├── test
└── widget_test.dart
└── web
└── index.html
/README.md:
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1 | # grpc_web flutter example
2 |
3 | Minimal project demonstrating a grpc_web request from a Flutter Web project.
4 |
5 | Works with the echo-sample server from https://github.com/grpc/grpc-web.
6 |
7 | The proto definitions can be recompiled with:
8 |
9 | ```sh
10 | $ pub global activate protoc_plugin
11 | $ protoc --dart_out=grpc:lib/ protos/echo.proto -I protos
12 | ```
13 |
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/android/.gitignore:
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1 | gradle-wrapper.jar
2 | /.gradle
3 | /captures/
4 | /gradlew
5 | /gradlew.bat
6 | /local.properties
7 | GeneratedPluginRegistrant.java
8 |
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/android/app/build.gradle:
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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: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
27 |
28 | android {
29 | compileSdkVersion 28
30 |
31 | sourceSets {
32 | main.java.srcDirs += 'src/main/kotlin'
33 | }
34 |
35 | lintOptions {
36 | disable 'InvalidPackage'
37 | }
38 |
39 | defaultConfig {
40 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
41 | applicationId "com.example.grpc_web_example"
42 | minSdkVersion 16
43 | targetSdkVersion 28
44 | versionCode flutterVersionCode.toInteger()
45 | versionName flutterVersionName
46 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
47 | }
48 |
49 | buildTypes {
50 | release {
51 | // TODO: Add your own signing config for the release build.
52 | // Signing with the debug keys for now, so `flutter run --release` works.
53 | signingConfig signingConfigs.debug
54 | }
55 | }
56 | }
57 |
58 | flutter {
59 | source '../..'
60 | }
61 |
62 | dependencies {
63 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
64 | testImplementation 'junit:junit:4.12'
65 | androidTestImplementation 'androidx.test:runner:1.1.1'
66 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
67 | }
68 |
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/android/app/src/debug/AndroidManifest.xml:
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/android/app/src/main/AndroidManifest.xml:
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/android/app/src/main/kotlin/com/example/grpc_web_example/MainActivity.kt:
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1 | package com.example.grpc_web_example
2 |
3 | import androidx.annotation.NonNull;
4 | import io.flutter.embedding.android.FlutterActivity
5 | import io.flutter.embedding.engine.FlutterEngine
6 | import io.flutter.plugins.GeneratedPluginRegistrant
7 |
8 | class MainActivity: FlutterActivity() {
9 | override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {
10 | GeneratedPluginRegistrant.registerWith(flutterEngine);
11 | }
12 | }
13 |
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/android/app/src/main/res/drawable/launch_background.xml:
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