android - MissingPluginException(在 Android 上未找到 channel plugins.flutter.io/firebase_core 上的 Firebase#initializeCore 方法的实现)

Question

调用 Firebase.initializeApp() 时出现上述错误在我的 flutter 代码中。
我已经按照这里的文档:https://firebase.flutter.dev/docs
这是我的 pubspec.yaml

dependencies:
  flutter:
    sdk: flutter
  firebase_core: ^0.5.0
  cloud_firestore: ^0.14.0
  firebase_auth: ^0.18.0
  fl_chart: ^0.11.0
  snapping_sheet: ^2.0.0
  flutter_svg: ^0.18.0
  flutter_redux: ^0.6.0
  strings: ^0.1.2
  random_string: ^2.1.0
  redux_thunk: ^0.3.0
  #  firebase_crashlytics: ^0.1.4+1
  dotted_line: ^2.0.1

  # The following adds the Cupertino Icons font to your application.
  # Use with the CupertinoIcons class for iOS style icons.
  cupertino_icons: ^0.1.3

dev_dependencies:
  flutter_test:
    sdk: flutter

这是我的 flutter 代码:

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values);

  final store = Store<AppState>(AppState.reducer, initialState: AppState.initial(), middleware: [thunkMiddleware]);

  runApp(
    FutureBuilder(
      future: Firebase.initializeApp(),
      builder: (context, snapshot) {
        // Check for errors
        if (snapshot.hasError) {
          log(snapshot.error.toString());
          return Container(color: Colors.red);
        }

        // Once complete, show your application
        if (snapshot.connectionState == ConnectionState.done) {
          return StoreProvider<AppState>(
            store: store,
            child: MoollaApp(store: store),
          );
        }

        // Otherwise, show something whilst waiting for initialization to complete
        return Container(color: Colors.green);
      },
    ),
  );
}

以下是我的 .gradle (app) 文件的相关部分:

plugins {
    id "com.android.application"
    id "com.google.gms.google-services"
    id "kotlin-android"
    id "kotlin-android-extensions"
}

这是我的项目 gradle 文件:

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    ext.kotlin_version = "1.3.72"
    repositories {
        google()
        jcenter()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:4.2.0-alpha07'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'com.google.gms:google-services:4.3.3'
    }
}

allprojects {
    repositories {
        google()
        jcenter()
        mavenCentral()
    }
}

rootProject.buildDir = '../build'
subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
    project.evaluationDependsOn(':app')
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

和我的应用程序类扩展:

class MyApp : FlutterApplication() {
    override fun onCreate() {
        super.onCreate()
    }
}

据我所知，我根据文档正确地完成了所有操作。

Answer 1

将 minifyEnabled 和 shrinkResources 设置为 false 可以修复它，但为什么呢？我不知道。如果有人知道请写评论。

buildTypes {       
    release {
        signingConfig signingConfigs.release
        minifyEnabled false
        shrinkResources false
    }
}