Flutter FlatterWebViewPlugin正在抛出MissingPluginException

Flutter FlatterWebViewPlugin正在抛出MissingPluginException,flutter,Flutter,代码 var flutterWebviewPlugin = new FlutterWebviewPlugin(); String url = "https://www.google.com"; @override Widget build(BuildContext context) { flutterWebviewPlugin.launch(url); ... } 公共规范yaml flutter_webview_plugin: 0.0.9 您是否在AndroidMan

代码

var flutterWebviewPlugin = new FlutterWebviewPlugin();
String url = "https://www.google.com";

@override
Widget build(BuildContext context) {
    flutterWebviewPlugin.launch(url);
    ...
}
公共规范yaml

  flutter_webview_plugin: 0.0.9

您是否在AndroidManifest.xml中添加了blow代码

<activity android:name="com.flutter_webview_plugin.WebviewActivity" android:parentActivityName=".MainActivity"/>


同样在更新pubspec.yaml之后,运行
flatterpackagesget

不要直接在小部件构建中编写任何内容。每次更新视图时都会调用它。而是使用StatefulWidget并在initState()中写入这些行