\packages\apps\Camera\src\com\android\camera\SettingChecker.java文件中的setParameterValue()函数内:
case ROW_SETTING_MUTE_RECORDING_SOUND:
Log.i(TAG, "enableRecordingSound value = " + value);
parameters.enableRecordingSound(value);
修改为
case ROW_SETTING_MUTE_RECORDING_SOUND:
Log.i(TAG, "enableRecordingSound value = " + value);
parameters.enableRecordingSound(1);
android 取消录像按键音
原文：http://blog.csdn.net/sergeycao/article/details/44197153
