2019年3月21日
flutter
摘要： paddingwrapcontainercolumnrowtextexpandedflexFractionallySizedBox 阅读全文
posted @ 2019-03-21 13:29 CrossPython 阅读(470) 评论(0) 推荐(0)
wrap
摘要： import 'package:flutter/material.dart'; void main() { runApp(MaterialApp(home: new MyApp())); } class MyApp extends StatelessWidget { var width = 80.0; var height = 60.0; @override Widg... 阅读全文
posted @ 2019-03-21 13:16 CrossPython 阅读(439) 评论(0) 推荐(0)
FractionallySizedBox
摘要： 当需要在一个区域里面取百分比尺寸的时候，可以使用这个，比方说，高度40%宽度70%的区域。当然，AspectRatio也可以达到近似的效果。 阅读全文
posted @ 2019-03-21 12:32 CrossPython 阅读(268) 评论(0) 推荐(0)
flutter stack
摘要： import 'package:flutter/material.dart'; void main() { runApp(MaterialApp(home: new MyApp())); } class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { // TO... 阅读全文
posted @ 2019-03-21 11:49 CrossPython 阅读(517) 评论(0) 推荐(0)
No Directionality widget found
摘要： The problem is not that you have not wrapped your widgets into MaterialApp. As the documentation says this error occurs due to the nesting of the same 阅读全文
posted @ 2019-03-21 09:48 CrossPython 阅读(1176) 评论(0) 推荐(0)