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Error: Type 'ui.TextHeightBehavior' not found in flutter

Stack Overflow Asked by Fadhil Kemal on February 4, 2021

I got a problem when I flutter build appbundle in terminal command

Compiler message:

    ../../flutter/packages/flutter/lib/src/widgets/basic.dart:5149:9: Error: Type 'ui.TextHeightBehavior' not found.
      final ui.TextHeightBehavior textHeightBehavior;                       
            ^^^^^^^^^^^^^^^^^^^^^                                           
    ../../flutter/packages/flutter/lib/src/widgets/text.dart:149:9: Error: Type 'ui.TextHeightBehavior' not found.
      final ui.TextHeightBehavior textHeightBehavior;                       
            ^^^^^^^^^^^^^^^^^^^^^                                           
    ../../flutter/packages/flutter/lib/src/widgets/text.dart:432:9: Error: Type 'ui.TextHeightBehavior' not found.
      final ui.TextHeightBehavior textHeightBehavior;                       
            ^^^^^^^^^^^^^^^^^^^^^                                           
    ../../flutter/packages/flutter/lib/src/rendering/paragraph.dart:78:5: Error: Type 'ui.TextHeightBehavior' not found.
        ui.TextHeightBehavior textHeightBehavior,                           
        ^^^^^^^^^^^^^^^^^^^^^                                               
    ../../flutter/packages/flutter/lib/src/rendering/paragraph.dart:281:3: Error: Type 'ui.TextHeightBehavior' not found.
      ui.TextHeightBehavior get textHeightBehavior => _textPainter.textHeightBehavior;
      ^^^^^^^^^^^^^^^^^^^^^                                                 
    ../../flutter/packages/flutter/lib/src/rendering/paragraph.dart:282:26: Error: Type 'ui.TextHeightBehavior' not found.
      set textHeightBehavior(ui.TextHeightBehavior value) {                 
                             ^^^^^^^^^^^^^^^^^^^^^                          
    ../../flutter/packages/flutter/lib/src/painting/text_painter.dart:145:5: Error: Type 'ui.TextHeightBehavior' not found.
        ui.TextHeightBehavior textHeightBehavior,                           
        ^^^^^^^^^^^^^^^^^^^^^                                               
    ../../flutter/packages/flutter/lib/src/painting/text_painter.dart:346:3: Error: Type 'ui.TextHeightBehavior' not found.
      ui.TextHeightBehavior get textHeightBehavior => _textHeightBehavior;  
      ^^^^^^^^^^^^^^^^^^^^^                                                 
    ../../flutter/packages/flutter/lib/src/painting/text_painter.dart:347:3: Error: Type 'ui.TextHeightBehavior' not found.
      ui.TextHeightBehavior _textHeightBehavior;                            
      ^^^^^^^^^^^^^^^^^^^^^                                                 
    ../../flutter/packages/flutter/lib/src/painting/text_painter.dart:348:26: Error: Type 'ui.TextHeightBehavior' not found.
      set textHeightBehavior(ui.TextHeightBehavior value) {                 
                             ^^^^^^^^^^^^^^^^^^^^^                          
    ../../flutter/packages/flutter/lib/src/painting/text_style.dart:1070:5: Error: Type 'ui.TextHeightBehavior' not found.
        ui.TextHeightBehavior textHeightBehavior,                           
        ^^^^^^^^^^^^^^^^^^^^^                                               
    ../../flutter/packages/flutter/lib/src/widgets/basic.dart:5149:12: Error: 'TextHeightBehavior' isn't a type.
      final ui.TextHeightBehavior textHeightBehavior;                       
               ^^^^^^^^^^^^^^^^^^                                           
    ../../flutter/packages/flutter/lib/src/widgets/text.dart:149:12: Error: 'TextHeightBehavior' isn't a type.
      final ui.TextHeightBehavior textHeightBehavior;                       
               ^^^^^^^^^^^^^^^^^^                                           
    ../../flutter/packages/flutter/lib/src/widgets/text.dart:200:43: Error: 'TextHeightBehavior' isn't a type.
        properties.add(DiagnosticsProperty<ui.TextHeightBehavior>('textHeightBehavior', textHeightBehavior, defaultValue: null));
                                              ^^^^^^^^^^^^^^^^^^            
    ../../flutter/packages/flutter/lib/src/widgets/text.dart:432:12: Error: 'TextHeightBehavior' isn't a type.
      final ui.TextHeightBehavior textHeightBehavior;                       
               ^^^^^^^^^^^^^^^^^^                                           
    ../../flutter/packages/flutter/lib/src/widgets/text.dart:487:43: Error: 'TextHeightBehavior' isn't a type.
        properties.add(DiagnosticsProperty<ui.TextHeightBehavior>('textHeightBehavior', textHeightBehavior, defaultValue: null));
                                              ^^^^^^^^^^^^^^^^^^            
    ../../flutter/packages/flutter/lib/src/rendering/paragraph.dart:78:8: Error: 'TextHeightBehavior' isn't a type.
        ui.TextHeightBehavior textHeightBehavior,                           
           ^^^^^^^^^^^^^^^^^^                                               
    ../../flutter/packages/flutter/lib/src/rendering/paragraph.dart:282:29: Error: 'TextHeightBehavior' isn't a type.
      set textHeightBehavior(ui.TextHeightBehavior value) {                 
                                ^^^^^^^^^^^^^^^^^^                          
    ../../flutter/packages/flutter/lib/src/painting/text_painter.dart:145:8: Error: 'TextHeightBehavior' isn't a type.
        ui.TextHeightBehavior textHeightBehavior,                           
           ^^^^^^^^^^^^^^^^^^                                               
    ../../flutter/packages/flutter/lib/src/painting/text_painter.dart:347:6: Error: 'TextHeightBehavior' isn't a type.
      ui.TextHeightBehavior _textHeightBehavior;                            
         ^^^^^^^^^^^^^^^^^^                                                 
    ../../flutter/packages/flutter/lib/src/painting/text_painter.dart:348:29: Error: 'TextHeightBehavior' isn't a type.
      set textHeightBehavior(ui.TextHeightBehavior value) {                 
                                ^^^^^^^^^^^^^^^^^^                          
    ../../flutter/packages/flutter/lib/src/painting/text_painter.dart:422:7: Error: No named parameter with the name 'textHeightBehavior'.
          textHeightBehavior: _textHeightBehavior,                          
          ^^^^^^^^^^^^^^^^^^                                                
    org-dartlang-sdk:///flutter/lib/ui/text.dart:865:3: Context: Found this candidate, but the arguments don't match.
      ParagraphStyle({                                                      
      ^^^^^^^^^^^^^^                                                        
    ../../flutter/packages/flutter/lib/src/painting/text_style.dart:1070:8: Error: 'TextHeightBehavior' isn't a type.
        ui.TextHeightBehavior textHeightBehavior,                           
           ^^^^^^^^^^^^^^^^^^                                               
    ../../flutter/packages/flutter/lib/src/painting/text_style.dart:1091:7: Error: No named parameter with the name 'textHeightBehavior'.
          textHeightBehavior: textHeightBehavior,   

                        
      ^^^^^^^^^^^^^^^^^^                                                
org-dartlang-sdk:///flutter/lib/ui/text.dart:865:3: Context: Found this candidate, but the arguments don't match.
  ParagraphStyle({                                                      
  ^^^^^^^^^^^^^^                                                        
Target kernel_snapshot failed: Exception: Errors during snapshot creation: null
build failed.                                                           
                                                                        
FAILURE: Build failed with an exception.    

                        
                                                                    
  • Where: Script
    ‘/Users/mac/Downloads/flutter/packages/flutter_tools/gradle/flutter.gradle’
    line: 801
* What went wrong:                                                      
Execution failed for task ':app:compileFlutterBuildRelease'.            
> Process 'command '/Users/mac/Downloads/flutter/bin/flutter'' finished with non-zero exit value 1

**this is my flutter doctor: **

[✓] Flutter (Channel master, v1.14.7-pre.83, on Mac OS X 10.15.2
19C57, locale en-ID)
• Flutter version 1.14.7-pre.83 at /Users/mac/flutter
• Framework revision e10df3c1a6 (2 days ago), 2020-02-01 11:23:01 +0800
• Engine revision e625e174c5
• Dart version 2.8.0 (build 2.8.0-dev.6.0 5ae5aff640)

[✓] Android toolchain – develop for Android devices (Android SDK
version 29.0.2)
• Android SDK at /Users/mac/Library/Android/sdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-29, build-tools 29.0.2
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
• All Android licenses accepted.

[✓] Xcode – develop for iOS and macOS (Xcode 11.3.1)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 11.3.1, Build version 11C504
• CocoaPods version 1.8.4

[✓] Android Studio (version 3.5)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin version 43.0.1
• Dart plugin version 191.8593
• Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)

[✓] IntelliJ IDEA Community Edition (version 2018.2.2)
• IntelliJ at /Applications/IntelliJ IDEA CE.app
• Flutter plugin version 29.1.3
• Dart plugin version 182.4129.13

Previously I success upload my app to Google Playstore. But when I want to update my app, I face this problem. thank you before

2 Answers

It seems like you are using the old Flutter master channel, to fix the upgrade to the latest stable channel

To switch channels following this command:

flutter channel stable
flutter clean

and then run 

flutter upgrade       //to ensure you're on the latest.

Answered by Paresh Mangukiya on February 4, 2021

change your flutter master at terminal of your project write flutter channel stable

Answered by Mohammed Alanany on February 4, 2021

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