qq_29465249的博客

class MyHomePage extends StatefulWidget { @override _MyHomePageState createState() => _MyHomePageState();}class _MyHomePageState extends State<MyHomePage> { final List pages=[ Text("1"), Text("2"), ]; int _currentIndex = 0;.

flutterhttps://pub.flutter-io.cn/packages/encrypt引入 encrypt: ^4.1.0import 'package:encrypt/encrypt.dart' as MyEncrypt;final plainText = 'test 123';final key = MyEncrypt.Key.fromUtf8('my 32 length key................');// final iv = MyEncryp.

问题Type mismatch: inferred type is MainActivity but FlutterEngine was expected解决方法注释 android/app/src/main/AndroidManifest.xml 下的之前加这句话是因为 测ios的时候有个警告 说flutter版本过低了 ,这个问题还有一种解决方法就是完整的升级,按照官方给的文档操作就行了...