Undefined name ‘TextAlign’.
Try correcting the name to one that is defined, or defining the name.
Text(
'This ia a study app you can use it as you want',
textAlign: TextAlign.center,
style: const TextStyle(
fontSize: 18,
color: AppColors.onSurfaceTextColor,
fontWeight: FontWeight.bold,
),
),
Flutter doctor -v
[√] Flutter (Channel stable, 3.0.5, on Microsoft Windows [Version 10.0.22000.856], locale en-US)
• Flutter version 3.0.5 at C:UsersusernameOneDriveDocumentsFlutterflutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision f1875d570e (6 weeks ago), 2022-07-13 11:24:16 -0700
• Engine revision e85ea0e79c
• Dart version 2.17.6
• DevTools version 2.12.2
[√] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
• Android SDK at C:UsersusernameAppDataLocalAndroidsdk
• Platform android-33, build-tools 33.0.0
• Java binary at: C:Program FilesAndroidAndroid Studiojrebinjava
• Java version OpenJDK Runtime Environment (build 11.0.12+7-b1504.28-7817840)
• All Android licenses accepted.
[√] Chrome - develop for the web
• Chrome at C:Program FilesGoogleChromeApplicationchrome.exe
[X] Visual Studio - develop for Windows
X Visual Studio not installed; this is necessary for Windows development.
Download at https://visualstudio.microsoft.com/downloads/.
Please install the "Desktop development with C++" workload, including all of its default components
[√] Android Studio (version 2021.2)
• Android Studio at C:Program FilesAndroidAndroid Studio
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 11.0.12+7-b1504.28-7817840)
[√] VS Code (version 1.70.2)
• VS Code at C:UsersusernameAppDataLocalProgramsMicrosoft VS Code
• Flutter extension version 3.46.0
[√] Connected device (5 available)
• ASUS Z01QD (mobile) • 127.0.0.1:5555 • android-x64 • Android 9 (API 28)
• ASUS Z01QD (mobile) • emulator-5554 • android-x64 • Android 9 (API 28)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.22000.856]
• Chrome (web) • chrome • web-javascript • Google Chrome 104.0.5112.102
• Edge (web) • edge • web-javascript • Microsoft Edge 104.0.1293.63
[√] HTTP Host Availability
• All required HTTP hosts are available
! Doctor found issues in 1 category.
3
Answers
The problem was fixed with the newest version of flutter(3.3.0)
Firstly
flutter clean
and rebuild the app.flutter upgrade
orflutter upgrade --force
Close and Open the project if not then IDE.