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李增强
flutter_boost_1.22.4
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caa962a3
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caa962a3
authored
4 years ago
by
Jim
Committed by
GitHub
4 years ago
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Frequently Asked Question.md
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@@ -23,6 +23,9 @@ bool isTopContainer = FlutterBoost.BoostContainer.of(context).onstage
### 3. 您好,我想请教一下flutter_boost有关的问题:ABC三个都是flutter页面,从 A页面 -> B页面 -> C页面,当打开C页面时希望自动关掉B页面,当从C页面返回时直接返回A页面,可有什么方法?
回答:你只需要操作Native层的UINavigationController里的vc数组就可以了。就如同平时你操作普通的UIViewController一样。因为FlutterBoost对Native层的FlutterViewController和Dart层的flutter page的生命周期管理是一致的,当FlutterViewController被销毁,其在dart层管理的flutter page也会自动被销毁。
### 3.1如果我进了若干个flutter页或native页面,想实现点一个按钮直接返回到首页。如何做?
回答:同第3条,flutter页面由混合容器管理。上层实现不需要过多考虑。通过操作Native层的UINavigationController里的vc数组就可以了。清除部分或全部这个数组,就能实现你返回到什么页。底层flutter页面的资源会自动按需释放
### 4. 在ios中voice over打开,demo在点击交互会crash;
回答:无障碍模式下目前Flutter Engine有bug,已经提交issue和PR给flutter啦。请参考这个issue:https://github.com/alibaba/flutter_boost/issues/488及其分析。提交给flutter的PR见这里:https://github.com/flutter/engine/pull/14155
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