Flutter使用CupertinoAlertDialog 报 'alertDialogLabel' was called on null.
shichunlei opened this issue · comments
报错信息
I/flutter (23496): Another exception was thrown: NoSuchMethodError: The getter 'alertDialogLabel' was called on null.
I/flutter (23496): ###LogUtil### e Error caught by widgets library, thrown building LayoutBuilder.
I/flutter (23496): NoSuchMethodError: The getter 'alertDialogLabel' was called on null.
I/flutter (23496): Receiver: null
I/flutter (23496): Tried calling: alertDialogLabel
I/flutter (23496): #0 Object.noSuchMethod (dart:core-patch/object_patch.dart:50:5)
I/flutter (23496): #1 CupertinoAlertDialog.build. (package:flutter/src/cupertino/dialog.dart:245:40)
I/flutter (23496): #2 _LayoutBuilderElement._layout. (package:flutter/src/widgets/layout_builder.dart:113:26)
I/flutter (23496): #3 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2258:19)
I/flutter (23496): #4 _LayoutBuilderElement._layout (package:flutter/src/widgets/layout_builder.dart:109:11)
I/flutter (23496): #5 RenderObject.invokeLayoutCallback. (package:flutter/src/rendering/object.dart:1740:58)
I/flutter (23496): #6 PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:797:15)
I/flutter (23496): #7 RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:1740:13)
I/flutter (23496): #8 _RenderLayoutBuilder.performLayout (