showDialog(context: context,builder: (BuildContext context) {return StatefulBuilder(builder: (context, state) {//StatefulBuilder 来构建 dialog...state(() {dosomething}//使用参数 state来更新 dialog

flutter web url 的一些问题 记录一下

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在构建发行版APK之后，遇到了此错误，这是因为默认情况下启用了代码收缩-如果不想缩小/混淆代码，只需在android / app / build.gradle中添加两行。android {...buildTypes {release {...shrinkResources falseminifyEnabled false}}}...

通过换行转义bool validateMNumber1(num, data) {RegExp dataNum = RegExp(r"^-?[1-9]\d{0,""${data}""}\$");return dataNum.hasMatch(num);}

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flutter 真机调试卡在 Installing build\app\outputs\flutter-apk\app.apk...