com.jcodeing.kmedia.assist

Class AudioMgrHelper

java.lang.Object

com.jcodeing.kmedia.assist.AudioMgrHelper

public class AudioMgrHelper
extends java.lang.Object

Audio Manager Helper.

Assist maintain android.media.AudioManager.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	AudioMgrHelper.SingletonHolder

Field Summary

Fields

Modifier and Type	Field and Description
private android.media.AudioManager	audioManager
private int	maxVolumeIndex
protected static java.lang.String	TAG

Constructor Summary

Constructors

Modifier	Constructor and Description
private	AudioMgrHelper()

Method Summary

Modifier and Type	Method and Description
int	abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener audioFocusChangeListener)
android.media.AudioManager	audioManager()
android.media.AudioManager	audioManager(android.content.Context context)
int	getMaxVolume() Returns the maximum volume index for a music stream.
int	getVolume() Returns the current volume index for a music stream.
static AudioMgrHelper	i()
AudioMgrHelper	init(android.media.AudioManager audioManager)
AudioMgrHelper	init(android.content.Context context)
int	requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener audioFocusChangeListener)
int	setVolume(int index, int flags, boolean isIndexIncrement) Sets the volume index for a music stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TAG

protected static final java.lang.String TAG

audioManager

private android.media.AudioManager audioManager

maxVolumeIndex

private int maxVolumeIndex

Constructor Detail

AudioMgrHelper

private AudioMgrHelper()

Method Detail

i

public static AudioMgrHelper i()

Returns:

instance

init

public AudioMgrHelper init(@NonNull
                           android.media.AudioManager audioManager)

Parameters:

audioManager - (AudioManager)mContext.getSystemService(Context.AUDIO_SERVICE)

init

public AudioMgrHelper init(@NonNull
                           android.content.Context context)

audioManager

public android.media.AudioManager audioManager()

audioManager

public android.media.AudioManager audioManager(@NonNull
                                               android.content.Context context)

getMaxVolume

public int getMaxVolume()

Returns the maximum volume index for a music stream.

See Also:

AudioManager.getStreamMaxVolume(int)

getVolume

public int getVolume()

Returns the current volume index for a music stream.

See Also:

AudioManager.getStreamVolume(int)

setVolume

public int setVolume(int index,
                     int flags,
                     boolean isIndexIncrement)

Sets the volume index for a music stream.

Parameters:

index - The volume index to set.

flags - One or more flags.

isIndexIncrement - is index increment (+origin)[0<= index <= max]

Returns:

deal volume index for a music stream.

See Also:

AudioManager.setStreamVolume(int, int, int)

requestAudioFocus

public int requestAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener audioFocusChangeListener)

abandonAudioFocus

public int abandonAudioFocus(android.media.AudioManager.OnAudioFocusChangeListener audioFocusChangeListener)