Android修改默认通话音量

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Android 6.0

AudioSystem.java

/* M: modify the default stream volume */      public static int[] DEFAULT_STREAM_VOLUME = new int[] {          4,  // STREAM_VOICE_CALL          15,  // STREAM_SYSTEM          8,  // STREAM_RING          8, // STREAM_MUSIC          8,  // STREAM_ALARM          8,  // STREAM_NOTIFICATION          7,  // STREAM_BLUETOOTH_SCO          15,  // STREAM_SYSTEM_ENFORCED          11, // STREAM_DTMF          11  // STREAM_TTS      };

通话音量MAX值
AudioServer.java

/** Maximum volume index values for audio streams */      /// M: Modify the max stream volume       private static int[] MAX_STREAM_VOLUME = new int[] {          7,  // STREAM_VOICE_CALL          15,  // STREAM_SYSTEM          15,  // STREAM_RING          15, // STREAM_MUSIC          15,  // STREAM_ALARM          15,  // STREAM_NOTIFICATION          15, // STREAM_BLUETOOTH_SCO          15,  // STREAM_SYSTEM_ENFORCED          15, // STREAM_DTMF          15  // STREAM_TTS      };

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