loudness

Android: MediaPlayer setVolume function

匿名 (未验证) 提交于 2019-12-03 01:58:03
可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效,请关闭广告屏蔽插件后再试): 问题: about the params Set what to make the player no sound and full sound Thanks 回答1: This function is actualy wonderful. Thanks to it you can create a volume scale with any number of steps! Let's assume you want 50 steps: int maxVolume = 50; Then to set setVolume to any value in this range (0-49) you do this: float log1=(float)(Math.log(maxVolume-currVolume)/Math.log(maxVolume)); yourMediaPlayer.setVolume(1-log1); Nice and easy! And DON'T use AudioManager to set volume! It will cause many side effects such as disabling silent mode, which will