小编Fad*_*mal的帖子

我在终端命令中 flutter build appbundle 时遇到问题

编译器消息：

    ../../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 …