(L1)AudioService AudioManagerInternal , Ringer mode, stream uid

前言

AudioManagerInternal

package android.media;

import android.os.IBinder;

import com.android.server.LocalServices;

/**
* Class for system services to access extra AudioManager functionality. The
* AudioService is responsible for registering an implementation with
* {@link LocalServices}.
*
* @hide
*/
public abstract class AudioManagerInternal {

public abstract void adjustSuggestedStreamVolumeForUid(int streamType, int direction,
int flags,
String callingPackage, int uid);

public abstract void adjustStreamVolumeForUid(int streamType, int direction, int flags,
String callingPackage, int uid);

public abstract void setStreamVolumeForUid(int streamType, int direction, int flags,
String callingPackage, int uid);

public abstract void adjustMasterVolumeForUid(int steps, int flags, String callingPackage,
int uid);

public abstract void setMasterMuteForUid(boolean state, int flags, String callingPackage,
IBinder cb, int uid);

public abstract void setRingerModeDelegate(RingerModeDelegate delegate);

public abstract int getRingerModeInternal();

public abstract void setRingerModeInternal(int ringerMode, String caller);

public interface RingerModeDelegate {
/** Called when external ringer mode is evaluated, returns the new internal ringer mode */
int onSetRingerModeExternal(int ringerModeOld, int ringerModeNew, String caller,
int ringerModeInternal);

/** Called when internal ringer mode is evaluated, returns the new external ringer mode */
int onSetRingerModeInternal(int ringerModeOld, int ringerModeNew, String caller,
int ringerModeExternal);
}
}