标签：的问答
在收到意向后听取自己活动的适当途径
原文：the right way to listen to a own event after an intent received
原文：the right way to listen to a own event after an intent received
我想制造一个等待收到意向的信号(例如,ms)。
如何利用广播员更新两项活动?
原文：How to use a BroadcastReceiver to update two activities?
原文：How to use a BroadcastReceiver to update two activities?
我的申请仅涉及两项活动,即主要活动和优惠行动。 当国家有变化时(航空模式正在转轨或脱轨,全球定位系统正在被转用或关闭......)
防止有人安装安卓SD卡时崩溃
原文：preventing a crash when someone mounts an Android SD card
原文：preventing a crash when someone mounts an Android SD card
我在SD卡上打开了一个文件。当有人安装SD卡时，它会导致我的应用程序崩溃。我正在尝试注册ACTION_MEDIA_EJECT广播事件，我收到了，但是。。。
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