AudioManager: add isVolumeFixed() API (ba207e76) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -13819,6 +13819,7 @@ package android.media {
		method public boolean isMicrophoneMute();
		method public boolean isMusicActive();
		method public boolean isSpeakerphoneOn();
		method public boolean isVolumeFixed();
		method public deprecated boolean isWiredHeadsetOn();
		method public void loadSoundEffects();
		method public void playSoundEffect(int);

media/java/android/media/AudioManager.java

+43 −3

Original line number	Diff line number	Diff line
		@@ -54,6 +54,7 @@ public class AudioManager {
		private long mVolumeKeyUpTime;
		private final boolean mUseMasterVolume;
		private final boolean mUseVolumeKeySounds;
		private final boolean mUseFixedVolume;
		private final Binder mToken = new Binder();
		private static String TAG = "AudioManager";
		AudioPortEventHandler mAudioPortEventHandler;
		@@ -441,6 +442,8 @@ public class AudioManager {
		mUseVolumeKeySounds = mContext.getResources().getBoolean(
		com.android.internal.R.bool.config_useVolumeKeySounds);
		mAudioPortEventHandler = new AudioPortEventHandler(this);
		mUseFixedVolume = mContext.getResources().getBoolean(
		com.android.internal.R.bool.config_useFixedVolume);
		}

		private static IAudioService getService()
		@@ -576,6 +579,26 @@ public class AudioManager {
		}
		}

		/**
		* Indicates if the device implements a fixed volume policy.
		* <p>Some devices may not have volume control and may operate at a fixed volume,
		* and may not enable muting or changing the volume of audio streams.
		* This method will return true on such devices.
		* <p>The following APIs have no effect when volume is fixed:
		* <ul>
		* <li> {@link #adjustVolume(int, int)}
		* <li> {@link #adjustSuggestedStreamVolume(int, int, int)}
		* <li> {@link #adjustStreamVolume(int, int, int)}
		* <li> {@link #setStreamVolume(int, int, int)}
		* <li> {@link #setRingerMode(int)}
		* <li> {@link #setStreamSolo(int, boolean)}
		* <li> {@link #setStreamMute(int, boolean)}
		* </ul>
		*/
		public boolean isVolumeFixed() {
		return mUseFixedVolume;
		}

		/**
		* Adjusts the volume of a particular stream by one step in a direction.
		* <p>
		@@ -614,7 +637,8 @@ public class AudioManager {
		* <p>
		* This method should only be used by applications that replace the platform-wide
		* management of audio settings or the main telephony application.
		*
		* <p>This method has no effect if the device implements a fixed volume policy
		* as indicated by {@link #isVolumeFixed()}.
		* @param direction The direction to adjust the volume. One of
		* {@link #ADJUST_LOWER}, {@link #ADJUST_RAISE}, or
		* {@link #ADJUST_SAME}.
		@@ -622,6 +646,7 @@ public class AudioManager {
		* @see #adjustSuggestedStreamVolume(int, int, int)
		* @see #adjustStreamVolume(int, int, int)
		* @see #setStreamVolume(int, int, int)
		* @see #isVolumeFixed()
		*/
		public void adjustVolume(int direction, int flags) {
		IAudioService service = getService();
		@@ -644,6 +669,8 @@ public class AudioManager {
		* This method should only be used by applications that replace the platform-wide
		* management of audio settings or the main telephony application.
		*
		* <p>This method has no effect if the device implements a fixed volume policy
		* as indicated by {@link #isVolumeFixed()}.
		* @param direction The direction to adjust the volume. One of
		* {@link #ADJUST_LOWER}, {@link #ADJUST_RAISE}, or
		* {@link #ADJUST_SAME}.
		@@ -653,6 +680,7 @@ public class AudioManager {
		* @see #adjustVolume(int, int)
		* @see #adjustStreamVolume(int, int, int)
		* @see #setStreamVolume(int, int, int)
		* @see #isVolumeFixed()
		*/
		public void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags) {
		IAudioService service = getService();
		@@ -801,10 +829,12 @@ public class AudioManager {
		* Silent mode will mute the volume and will not vibrate. Vibrate mode will
		* mute the volume and vibrate. Normal mode will be audible and may vibrate
		* according to user settings.
		*
		* <p>This method has no effect if the device implements a fixed volume policy
		* as indicated by {@link #isVolumeFixed()}.
		* @param ringerMode The ringer mode, one of {@link #RINGER_MODE_NORMAL},
		* {@link #RINGER_MODE_SILENT}, or {@link #RINGER_MODE_VIBRATE}.
		* @see #getRingerMode()
		* @see #isVolumeFixed()
		*/
		public void setRingerMode(int ringerMode) {
		if (!isValidRingerMode(ringerMode)) {
		@@ -820,13 +850,15 @@ public class AudioManager {

		/**
		* Sets the volume index for a particular stream.
		*
		* <p>This method has no effect if the device implements a fixed volume policy
		* as indicated by {@link #isVolumeFixed()}.
		* @param streamType The stream whose volume index should be set.
		* @param index The volume index to set. See
		* {@link #getStreamMaxVolume(int)} for the largest valid value.
		* @param flags One or more flags.
		* @see #getStreamMaxVolume(int)
		* @see #getStreamVolume(int)
		* @see #isVolumeFixed()
		*/
		public void setStreamVolume(int streamType, int index, int flags) {
		IAudioService service = getService();
		@@ -919,9 +951,13 @@ public class AudioManager {
		* <p>
		* For a better user experience, applications MUST unsolo a soloed stream
		* in onPause() and solo is again in onResume() if appropriate.
		* <p>This method has no effect if the device implements a fixed volume policy
		* as indicated by {@link #isVolumeFixed()}.
		*
		* @param streamType The stream to be soloed/unsoloed.
		* @param state The required solo state: true for solo ON, false for solo OFF
		*
		* @see #isVolumeFixed()
		*/
		public void setStreamSolo(int streamType, boolean state) {
		IAudioService service = getService();
		@@ -948,9 +984,13 @@ public class AudioManager {
		* <p>
		* This method should only be used by applications that replace the platform-wide
		* management of audio settings or the main telephony application.
		* <p>This method has no effect if the device implements a fixed volume policy
		* as indicated by {@link #isVolumeFixed()}.
		*
		* @param streamType The stream to be muted/unmuted.
		* @param state The required mute state: true for mute ON, false for mute OFF
		*
		* @see #isVolumeFixed()
		*/
		public void setStreamMute(int streamType, boolean state) {
		IAudioService service = getService();