双击TextFormField [英] double click in TextFormField
问题描述
我使用flutter 1.17.0
，但是当我在TextFormField
中双击双击以将文本粘贴到TextFormField时，出现此错误
。[38; 5;248m════════小部件库
捕获异常39. [39; 49m ?? [38; 5; 244m]下列
断言被引发来构建
_OverlayEntryWidget- [LabeledGlobalKey< _OverlayEntryWidgetState>＃8f5d7]（脏，
状态：_OverlayEntryWidgetState＃f2029）：。[39; 49m未找到MediaQuery窗口小部件
。
。[ [38; 5; 244m_OverlayEntryWidget窗口小部件需要MediaQuery窗口小部件
祖先。[39; 49m [[38; 5; 244m]无法找到
MediaQuery祖先的特定窗口小部件是：
_OverlayEntryWidget- [ LabeledGlobalKey< _OverlayEntryWidgetState>＃8f5d7]。[39; 49m
?? [38; 5; 244mdirty。[39; 49m $ 38.5; 244mstate：
_OverlayEntryWidgetState＃f2029。[39; 49m。 38; 5; 244m受影响的小部件的所有权链为：
_OverlayEntryWi dget- [LabeledGlobalKey< _OverlayEntryWidgetState>＃8f5d7]←_剧院←重叠←方向←FlutterEasyLoading←
EasyLocalizationProvider←ScopedModelDescendant←_InheritedModel←
AnimatedBuilder← $ b。[38; 5; 248m通常，MediaQuery小部件是由应用程序小部件
树顶部的
MaterialApp或WidgetsApp小部件引入的。[39; 49m
。[38; 5; 244m。相关的引起错误的小部件为。[39; 49m
。[38; 5; 248mFlutterEasyLoading。[39; 49m。 [38; 5; 244m引发异常
时，这是堆栈。[39; 49m [[38; 5; 244m＃0
debugCheckHasMediaQuery。 244m＃1
debugCheckHasMediaQuery。[39; 49m ?? [38; 5; 244m＃2
_MaterialTextSelectionControls.buildToolbar。[39; 49m [[38; 5; 244m＃3 TextSelectionOverlay._buildToolbar。[39; 49m-[38; 5; 244m＃4
_OverlayEntryWidgetState.build。[39; 49m-[38; 5; 244m .... [39; 49m-[38; 5;248m══════ ═══════════════════════════════ ═══════════════════════════════════════════ [39; 49m
我的main.dart
void main（）{
runApp（EasyLocalization（child：MyApp（）））;
}
类MyApp扩展了StatefulWidget {
@override
State createState（）{
return _MyAppState（）;
}
}
类_MyAppState扩展状态{
final MainModel _model = MainModel（）;
@override
void initState（）{
SystemChrome.setPreferredOrientations（[
]）;
_model.initAppDirectory（）;
super.initState（）;
}
changeStatusBar（）async {
等待FlutterStatusbarcolor.setStatusBarColor（MySetting.mainColor）;
FlutterStatusbarcolor.setStatusBarWhiteForeground（true）;
if（Theme.of（context）.platform == TargetPlatform.android）{
等待FlutterStatusbarcolor.setNavigationBarColor（Colors.black38）;
}
}
@override
小部件build（BuildContext context）{
changeStatusBar（）;
var data = EasyLocalizationProvider.of（context）.data;
返回ScopedModel< MainModel>（
模型：_model，
子对象：ScopedModelDescendant< MainModel>（
rebuildOnChange：否，
构建器：（BuildContext上下文，小部件子项，MainModel模型）{
return EasyLocalizationProvider（
data：data，
子项：FlutterEasyLoading（
子项：MaterialApp（
构建器：（BuildContext上下文，Widget child）{
return MediaQuery（
data：MediaQuery.of（context）.copyWith（textScaleFactor：1.0），
child：child，
）;
}，
debugShowCheckedModeBanner：否，
标题：我的应用程序，
localizations代表：[
GlobalCupertinoLocalizations.delegate，
DefaultCupertinoLocalizations.delegate，
GlobalMaterialLocalizations.delegate，
GlobalWidgetsLocaliza tions.delegate，
EasylocaLizationDelegate（
locale：Locale（'ar'，'DZ'），path：'assets / languages'），
]，
supportLocales：[Locale （'ar'，'DZ'），Locale（'en'，'US'）]，
语言环境：data.locale，
主题：ThemeData（
primarySwatch：MySetting.mainColor，
），
主页：SplashScreen（_model），
}，
），
），
）；
}））；
}
}
请提供任何帮助来解决该问题，因为我的应用因解决问题
而停止，红屏错误仍然出现
，我不知道错误在哪里
我有同样的错误。就我而言，错误是FlutterEasyLoading库。
删除该库后，双击TextFormField即可开始正常运行。
我希望能对您有所帮助。
i use flutter 1.17.0 but one thing is not good when i tap double click in TextFormField to paste text to TextFormField i get this error
�[38;5;248m════════ Exception caught by widgets library ═══════════════════════════════════�[39;49m �[38;5;244mThe following assertion was thrown building _OverlayEntryWidget-[LabeledGlobalKey<_OverlayEntryWidgetState>#8f5d7](dirty, state: _OverlayEntryWidgetState#f2029):�[39;49m No MediaQuery widget found.
�[38;5;244m_OverlayEntryWidget widgets require a MediaQuery widget ancestor.�[39;49m �[38;5;244mThe specific widget that could not find a MediaQuery ancestor was: _OverlayEntryWidget-[LabeledGlobalKey<_OverlayEntryWidgetState>#8f5d7]�[39;49m �[38;5;244mdirty�[39;49m �[38;5;244mstate: _OverlayEntryWidgetState#f2029�[39;49m �[38;5;244mThe ownership chain for the affected widget is: "_OverlayEntryWidget-[LabeledGlobalKey<_OverlayEntryWidgetState>#8f5d7] ← _Theatre ← Overlay ← Directionality ← FlutterEasyLoading ← EasyLocalizationProvider ← ScopedModelDescendant ← _InheritedModel ← AnimatedBuilder ← ScopedModel ← ⋯"�[39;49m
�[38;5;248mTypically, the MediaQuery widget is introduced by the MaterialApp or WidgetsApp widget at the top of your application widget tree.�[39;49m
�[38;5;244mThe relevant error-causing widget was�[39;49m �[38;5;248mFlutterEasyLoading�[39;49m �[38;5;244mWhen the exception was thrown, this was the stack�[39;49m �[38;5;244m#0 debugCheckHasMediaQuery.�[39;49m �[38;5;244m#1 debugCheckHasMediaQuery�[39;49m �[38;5;244m#2 _MaterialTextSelectionControls.buildToolbar�[39;49m �[38;5;244m#3 TextSelectionOverlay._buildToolbar�[39;49m �[38;5;244m#4 _OverlayEntryWidgetState.build�[39;49m �[38;5;244m...�[39;49m �[38;5;248m════════════════════════════════════════════════════════════════════════════════�[39;49m
my main.dart
void main() {
runApp(EasyLocalization(child: MyApp()));
}
class MyApp extends StatefulWidget {
@override
State createState() {
return _MyAppState();
}
}
class _MyAppState extends State {
final MainModel _model = MainModel();
@override
void initState() {
SystemChrome.setPreferredOrientations([
]);
_model.initAppDirectory();
super.initState();
}
changeStatusBar() async{
await FlutterStatusbarcolor.setStatusBarColor(MySetting.mainColor);
FlutterStatusbarcolor.setStatusBarWhiteForeground(true);
if(Theme.of(context).platform == TargetPlatform.android){
await FlutterStatusbarcolor.setNavigationBarColor(Colors.black38);
}
}
@override
Widget build(BuildContext context) {
changeStatusBar();
var data = EasyLocalizationProvider.of(context).data;
return ScopedModel<MainModel>(
model: _model,
child: ScopedModelDescendant<MainModel>(
rebuildOnChange: false,
builder: (BuildContext context, Widget child, MainModel model) {
return EasyLocalizationProvider(
data: data,
child: FlutterEasyLoading(
child: MaterialApp(
builder: (BuildContext context, Widget child) {
return MediaQuery(
data: MediaQuery.of(context).copyWith(textScaleFactor: 1.0),
child: child,
);
},
debugShowCheckedModeBanner: false,
title: 'my app',
localizationsDelegates: [
GlobalCupertinoLocalizations.delegate,
DefaultCupertinoLocalizations.delegate,
GlobalMaterialLocalizations.delegate,
GlobalWidgetsLocalizations.delegate,
EasylocaLizationDelegate(
locale: Locale('ar', 'DZ'), path: 'assets/languages'),
],
supportedLocales: [Locale('ar', 'DZ'), Locale('en', 'US')],
locale: data.locale,
theme: ThemeData(
primarySwatch: MySetting.mainColor,
),
home: SplashScreen( _model),
},
),
),
);
}));
}
}
please any help to solve it because my app is stoped for solve this problem and red screen error is still appers and i didn't know where the error
I had the same error. In my case, the error was FlutterEasyLoading library.
After remove that library, double click on TextFormField start to work without errors.
I Hope this help you.
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