demo 地址: https://github.com/iotjin/jh_flutter_demo代码不定时更新，请前往github查看最新代码参考：官方：构建 Flutter Web 应用Flutter Desktop Supportflutter项目添加 Web 支持在项目的根目录下运行：flutter create .命令flutter create .
// 指定平台
flutter
java.lang.NullPointerException: Attempt to invoke virtual method 'io.flutter.embedding.engine.FlutterEngine io.flutter.embedding.android.FlutterActivityAndFragmentDelegate.getFlutterEngine()' on a null object reference
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2022-03-08 09:51:39
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创建MyPluginclass MyPlugin : FlutterPlugin {
override fun onAttachedToEngine(binding: FlutterPlugin.FlutterPluginBinding) {
val messenger: BinaryMessenger = binding.binaryMessenger
binding
.platformView
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2024-08-20 16:42:32
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消息信使:BinaryMessenger以ByteBuffer为数据载体，然后通过BinaryMessenger来发送与接收数据。整体设计如下。在Android侧，BinaryMess
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2024-08-20 11:50:10
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BasicMessageChannel 用法Native端BasicMessageChannel(@NonNull BinaryMessenger messenger, @NonNull String name, @NonNull MessageCodec<T> codec)
BinaryMessenger messenger 消息信使，是消息的发送与接收工具
String name
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2024-02-14 19:33:44
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import Flutter
import UIKit
public class MethodChannelDemo {
init(messenger: FlutterBinaryMessenger) {
let channel = FlutterMethodChannel(name: “com.example.flutterios.MethodChannel”, binaryMessenger:
说明：messenger：用于消息传递，后面介绍 Flutter 与 原生通信时用到此参数viewId：View 生成时会分配一个唯一 IDargs：Flutter 传递的初始化参数2.4 注册PlatformView创建PlatformViewFactoryclass MyFlutterViewFactory(val messenger: BinaryMessenger) : PlatformV
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2024-06-11 12:57:48
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