Flutter1.12与原生Android交互（kotlin）

开发原生部分，还是点击Open for Editing in Android Studio好用，提示、自动引用功能都能正常使用。

-----------android/app/src/main/kotlin/com/glodon/gzzjy_app/MainActivity.kt

import android.os.Bundleimport android.os.PersistableBundleimport android.util.Logimport androidx.annotation.NonNull;import io.flutter.embedding.android.FlutterActivityimport io.flutter.embedding.engine.FlutterEngineimport io.flutter.plugin.common.MethodChannelimport io.flutter.plugin.common.PluginRegistryimport io.flutter.plugins.GeneratedPluginRegistrantclass MainActivity: FlutterActivity() {    override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) {        GeneratedPluginRegistrant.registerWith(flutterEngine)        MethodChannel(flutterEngine.dartExecutor.binaryMessenger,"app.channel.shared.data").setMethodCallHandler(            MethodChannel.MethodCallHandler { call, result ->                run {                    if (call.method.contentEquals("getParam")) {                        result.success("message")                        Log.i("test","ms")                    }                }            }        )    }}

注：这个flutterEngine.dartExecutor.binaryMessenger找了好久，各种文档上都是写的继承于io.flutter.app.FlutterActivity的MainActivity，直接getFlutterView()就行了，但是1.12这个版本的不行了。

------------------lib/main.dart

class _MyHomePageState extends State {  static const platform = const MethodChannel('app.channel.shared.data');  String dataShared = "No data";  @override  void initState() {    super.initState();    getSharedText();  }  getSharedText() async {    var sharedData = await platform.invokeMethod("getParam");    if (sharedData != null) {      setState(() {        dataShared = sharedData;      });      print(dataShared);    }  }

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