Android programming method for adding listening events to volume buttons

This paper describes the method of adding listening events to the volume button by Android programming. Share with you for your reference, as follows:

Many Android applications are applied to volume buttons, such as turning pages, adjusting music sound, etc., but if the volume button is not monitored, the expected effect cannot be achieved. The following code is to monitor the volume button of Android mobile phone. Developers can add the functions they need to implement in the corresponding position.

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I hope this article will help you in Android programming.