android5.1 ???????????????????????????????????? _Android

别裁伪体亲风雅，转益多师是汝师。这篇文章主要讲述android5.1 ????????????????????????????????????相关的知识，希望能为你提供帮助。
?????????music base ?????? audio ???????????? tag nbsp android end
???????????????frameworks/base/media/java/android/media/Audioservice.java?????????

private int getActiveStreamType(int suggestedStreamType) {

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?????? else if (suggestedStreamType == AudioManager.USE_DEFAULT_STREAM_TYPE) {/* carroll ?????????????????????????????????????????? start */ /*if (isAfMusicActiveRecently(StreamOverride.sDelayMs)) { if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: forcing STREAM_MUSIC"); */ return AudioSystem.STREAM_MUSIC; /* } else { if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: using STREAM_NOTIFICATION as default"); return AudioSystem.STREAM_NOTIFICATION; }*/ /* carroll ?????????????????????????????????????????? end */ } break; } if (DEBUG_VOL) Log.v(TAG, "getActiveStreamType: Returning suggested type " + suggestedStreamType); return suggestedStreamType; }

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【android5.1 ????????????????????????????????????】