调大声:
1 AudioManager audioMa=(AudioManager)this.getSystemService(Context.AUDIO_SERVICE);
2 audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_RAISE,
AudioManager.FX_FOCUS_NAVIGATION_UP);
调小声:
1 AudioManager audioMa=(AudioManager)this.getSystemService(Context.AUDIO_SERVICE);
2 audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_LOWER,
AudioManager.FX_FOCUS_NAVIGATION_UP);
1 AudioManager audioMa=(AudioManager)this.getSystemService(Context.AUDIO_SERVICE);
2 audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_RAISE,
AudioManager.FX_FOCUS_NAVIGATION_UP);
调小声:
1 AudioManager audioMa=(AudioManager)this.getSystemService(Context.AUDIO_SERVICE);
2 audioMa.adjustStreamVolume(AudioManager.STREAM_MUSIC,AudioManager.ADJUST_LOWER,
AudioManager.FX_FOCUS_NAVIGATION_UP);
本文提供了一段用于调整Android设备音乐流音量的代码示例,包括增大和减小音量的功能实现。
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