android7.1音量加减修改默认控制的音量流

android版本：7.1 平台：rk399 +++ b/services/core/java/com/android/server/audio/AudioService.java @@ -3604,7 +3604,7 @@ public class AudioService extends IAudioService.Stub { return AudioSystem.STREAM_VOICE_CALL; } } else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) {</p> <ul> <li> <pre><code> if (isAfMusicActiveRecently(StreamOverride.sDelayMs)) {

•            /*if (isAfMusicActiveRecently(StreamOverride.sDelayMs)) {
                 if (DEBUG_VOL)
                     Log.v(TAG, "getActiveStreamType: Forcing STREAM_MUSIC stream active");
                 return AudioSystem.STREAM_MUSIC;

  @@ -3612,7 +3612,8 @@ public class AudioService extends IAudioService.Stub { if (DEBUG_VOL) Log.v(TAG, “getActiveStreamType: Forcing STREAM_RING b/c default”); return AudioSystem.STREAM_RING;

•            }

•            }*/

• return AudioSystem.STREAM_MUSIC; } else if (isAfMusicActiveRecently(0)) { if (DEBUG_VOL) Log.v(TAG, “getActiveStreamType: Forcing STREAM_MUSIC stream active”); @@ -3647,8 +3648,8 @@ public class AudioService extends IAudioService.Stub { return AudioSystem.STREAM_MUSIC; } else { if (DEBUG_VOL) Log.v(TAG,

•                        "getActiveStreamType: using STREAM_NOTIFICATION as default");

• return AudioSystem.STREAM_NOTIFICATION;

•                        "getActiveStreamType: using STREAM_MUSIC as default");

• return AudioSystem.STREAM_MUSIC; } } break;