如何从 Flutter App 中的另一个选项卡更改按钮单击选项卡
[英]How to change tab on button click from another tab in Flutter App
问题描述
After the form was filled, the tab did not change and it was expected to automatically switch back to the home page.
填完表单后，tab没有变化，预计会自动切换回首页。
1 个解决方案
解决方案1
0 2022-04-03 13:09:58
Did you use setState?你用过setState吗？ Changing a variable does not cause a rebuild.更改变量不会导致重建。 SetState needs to be called in order to have your StatefulWidget's build method re-run, with the changed variables taken into account.需要调用 SetState 才能重新运行 StatefulWidget 的构建方法，并考虑更改的变量。
https://api.flutter.dev/flutter/widgets/State/setState.html https://api.flutter.dev/flutter/widgets/State/setState.html
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