1.
frameworks/base/services/core/java/com/android/server/notification/NotificationManagerService.java
disableNotificationEffects()中，注掉
/*
if (mCallState != TelephonyManager.CALL_STATE_IDLE && !mZenModeHelper.isCall(record)) {
return "callState";
}
*/
2.
frameworks/av/services/audiopolicy/AudioPolicyManager.cpp
setStreamMute()中开头，添加
if(stream == AUDIO_STREAM_NOTIFICATION) {
on = false;
}