app build.grade配置

defaultConfig {
 ndk {
 // 过滤Flutter支持的架构。
 abiFilters ‘armeabi-v7a’, ‘arm64-v8a’, ‘x86_64’
 }
 }repositories {
 flatDir {
 dirs ‘libs’ // aar目录
 }
 }//添加如下：
 dependencies {
 implementation fileTree(dir: ‘libs’, include: [‘*.jar’])
 implementation(name: ‘flutter_im’, ext: ‘aar’)//版本号，在生成 aar 的 flutter 项目的 build 中可以查看
 def flutterVersion = ‘1.0.0-ae90085a8437c0ae94d6b5ad2741739ebc742cb4’
 implementation “io.flutter:flutter_embedding_release:flutterVersion”
 implementation “io.flutter:arm64_v8a_release:flutterVersion”
 }

外层build.grade配置

allprojects {
 repositories {
 google()
 jcenter()
 maven {
 url “https://storage.flutter-io.cn/download.flutter.io”
 }
 }
 }

在清单文件中加入 FlutterActivity

启动页面， 注意导包 io.flutter.embedding.android

// 直接启动
startActivity(FlutterActivity.createDefaultIntent(this))

使用缓存的 FlutterEngine，加快 flutter 页面的启动

// 1. Application 类中预先初始化一个 FlutterEngine
 class MyApplication : Application() {
 lateinit var flutterEngine : FlutterEngineoverride fun onCreate() {
 super.onCreate()// 实例化FlutterEngine。
 flutterEngine = FlutterEngine(this)// 开始执行Dart代码,以初始化FlutterEngine。
 flutterEngine.dartExecutor.executeDartEntrypoint(
 DartExecutor.DartEntrypoint.createDefault()
 )// 缓存FlutterActivity要使用的FlutterEngine。
 FlutterEngineCache
 .getInstance()
 .put(“hgg_im”, flutterEngine)
 }
 }// 使用缓存的 FlutterEngine 启动
 startActivity(
 FlutterActivity
 .withCachedEngine(“hgg_im”)
 .build(this)
 )

Ios 集成 Flutter Frameworks

生成 frameworks

在flutter 项目中，运行如下命令

flutter build ios-framework --xcframework --no-universal

生成 App.xcframework 和 Flutter.xcframework

将 frameworks 添加到 Ios 项目

拖拽 frameworks 到你的应用 target编译设置的