Merge "Cache IAlarmManager binder handle." (cfe627f2) · Commits · e / os / android_frameworks_base

core/java/android/os/SystemClock.java

+12 −4

Original line number	Original line	Diff line number	Diff line
	@@ -104,6 +104,8 @@ import java.time.ZoneOffset;
	public final class SystemClock {		public final class SystemClock {
	private static final String TAG = "SystemClock";		private static final String TAG = "SystemClock";

			private static volatile IAlarmManager sIAlarmManager;

	/**		/**
	* This class is uninstantiable.		* This class is uninstantiable.
	*/		*/
	@@ -151,8 +153,7 @@ public final class SystemClock {
	* @return if the clock was successfully set to the specified time.		* @return if the clock was successfully set to the specified time.
	*/		*/
	public static boolean setCurrentTimeMillis(long millis) {		public static boolean setCurrentTimeMillis(long millis) {
	final IAlarmManager mgr = IAlarmManager.Stub		final IAlarmManager mgr = getIAlarmManager();
	.asInterface(ServiceManager.getService(Context.ALARM_SERVICE));
	if (mgr == null) {		if (mgr == null) {
	Slog.e(TAG, "Unable to set RTC: mgr == null");		Slog.e(TAG, "Unable to set RTC: mgr == null");
	return false;		return false;
	@@ -280,8 +281,7 @@ public final class SystemClock {
	* @hide		* @hide
	*/		*/
	public static long currentNetworkTimeMillis() {		public static long currentNetworkTimeMillis() {
	final IAlarmManager mgr = IAlarmManager.Stub		final IAlarmManager mgr = getIAlarmManager();
	.asInterface(ServiceManager.getService(Context.ALARM_SERVICE));
	if (mgr != null) {		if (mgr != null) {
	try {		try {
	return mgr.currentNetworkTimeMillis();		return mgr.currentNetworkTimeMillis();
	@@ -296,6 +296,14 @@ public final class SystemClock {
	}		}
	}		}

			private static IAlarmManager getIAlarmManager() {
			if (sIAlarmManager == null) {
			sIAlarmManager = IAlarmManager.Stub
			.asInterface(ServiceManager.getService(Context.ALARM_SERVICE));
			}
			return sIAlarmManager;
			}

	/**		/**
	* Returns a {@link Clock} that starts at January 1, 1970 00:00:00.0 UTC,		* Returns a {@link Clock} that starts at January 1, 1970 00:00:00.0 UTC,
	* synchronized using a remote network source outside the device.		* synchronized using a remote network source outside the device.