Many broadcasts originate from the system-for example, a broadcast announcing that the screen has turned off, the battery is low, or a picture was captured.

许多广播由系统发起——比如，宣布屏幕已关闭，电量不足，或者照片被捕获的广播通知。

youdao

Many broadcasts originate from the system-for example, a broadcast announcing that the screen has turned off, the battery is low, or a picture was captured.

许多广播由系统发起——比如，宣布屏幕已关闭，电量不足，或者照片被捕获的广播通知。

youdao