尽管broadcast receivers并不显示用户界面，它们可能创建一个状态栏通知来告知用户广播何时发生。

Although broadcast receivers don't display a user interface, they may create a status bar notification to alert the user when a broadcast event occurs.

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您可以在活动过程中使用浮点DIV部分显示或使用浏览器状态栏上的简单消息实现此通知(不过，有些人认为这不是好的形式)。

You could implement this notification using a floating DIV section display during activity, or using a simple message on the browser's status bar (although this is considered bad form by some).

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Android的主界面上有一个状态栏，可以显示时间、信号强度和其他通知。

Android home screen includes a status bar which shows the time, signal strength and other notifications.

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