问题描述
我实现了PhoneStateListener，该方法如何在被呼叫时停止音频并在完成后重新启动.当我通过finish()退出我的应用程序时，PhoneStateListener似乎仍然处于活动状态.通话结束后，音乐开始播放.即使我在onDestroy()中设置了listener = null，它仍然可以正常工作...
I implemented a PhoneStateListener how stops audio if you are called and starts it again after you finished.When i exit my app by finish() the PhoneStateListener seems to be still active. After finishing a call the music starts to play.Even if I set the listener=null in onDestroy() it keeps working...
推荐答案
在listen()的文档rel ="nofollow"> TelephonyManager :
Quoting the documentation for listen() on TelephonyManager:
您必须在活动超出范围(例如在onPause()或onDestroy()中)之前执行此操作.
You must do this before your activity goes out of scope, such as in onPause() or onDestroy().
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