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[问答]Android开发中何时使用多进程？

@jasonross 我的理解是android应用有内存大小限制是针对进程的。每个进程其实都有一个虚拟机，这个虚拟机最大堆就是它的最大可用内存。守护进程和主进程之间相互监视这个是很有限的，MIUI可以限制那些进程可以常驻内存哪些不可以，如果被禁掉了，那就无效了。

【问答】微信朋友圈布局是如何优化的

当有多种类型item布局的时候，可以用ListView getViewType来为不同类型的item重用。

【问答】当一个全屏Activity A进入到带有ActionBar（或ToolBar）的非全屏Activity B时，怎么解决Status Bar闪动的问题？

提供一个方案：http://chrisrisner.com/Switching-from-Full-Screen-to-Non-Full-Screen-Smoothly-in-Android 。我自己也在用这个方案，不过我发现有兼容性问题，在某些第三方制作的ROM上。

【问答】当一个全屏Activity A进入到带有ActionBar（或ToolBar）的非全屏Activity B时，怎么解决Status Bar闪动的问题？

@zourb 我试了你的方案，还是会闪动。我的情况是：非全屏A，进入全屏B，然后B finish返回A，A会闪动。

不理解为啥要这么干，谁敢做这种决策？

> https://www.zhihu.com/question/438854645 已有先例之前我也在微博上看到这件事。昨天我也才想起这件事，现在看来，是真的，之前我还不太相信。。。

Toggling a formatting option in toolbar does not indicate that the option is selected, Button has no "selected" state.

> > I found that you have to use useMaterial3 ThemeData for the selected state... > > Can you please provide an example? Its not working for me even if...

Toggling a formatting option in toolbar does not indicate that the option is selected, Button has no "selected" state.

> > I found that you have to use useMaterial3 ThemeData for the selected state... > > Can you please provide an example? Its not working for me even if...

> ` client.write("syncdata.json", Uint8List.fromList(jsonString.codeUnits));` sameproblem > > ``` > [🔔 Dio] _MultiStream cannot be used to imply a default content-type, please set a proper content-type in the request. > #0...

WiFiForIotPlugin.connect doesn't work (timeout), still returns true with useInternet: true

ensure you have the permission (location,local network for ios) connect method: joinOnce need to set false