Check if anyone could possibly provide service. (0e928ee9) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/ServiceWatcher.java

+16 −1

Original line number	Diff line number	Diff line
		@@ -141,8 +141,12 @@ public class ServiceWatcher implements ServiceConnection {
		* <p>
		* Note that if there are no matching encryption-aware services, we may not
		* bind to a real service until after the current user is unlocked.
		*
		* @returns {@code true} if a potential service implementation was found.
		*/
		public boolean start() {
		if (isServiceMissing()) return false;

		synchronized (mLock) {
		bindBestPackageLocked(mServicePackageName, false);
		}
		@@ -173,6 +177,17 @@ public class ServiceWatcher implements ServiceConnection {
		return true;
		}

		/**
		* Check if any instance of this service is present on the device,
		* regardless of it being encryption-aware or not.
		*/
		private boolean isServiceMissing() {
		final Intent intent = new Intent(mAction);
		final int flags = PackageManager.MATCH_DIRECT_BOOT_AWARE
		\| PackageManager.MATCH_DIRECT_BOOT_UNAWARE;
		return mPm.queryIntentServicesAsUser(intent, flags, mCurrentUserId).isEmpty();
		}

		/**
		* Searches and binds to the best package, or do nothing if the best package
		* is already bound, unless force rebinding is requested.
		@@ -181,7 +196,7 @@ public class ServiceWatcher implements ServiceConnection {
		* packages if it is {@code null}.
		* @param forceRebind Force a rebinding to the best package if it's already
		* bound.
		* @return {@code true} if a valid package was found to bind to.
		* @returns {@code true} if a valid package was found to bind to.
		*/
		private boolean bindBestPackageLocked(String justCheckThisPackage, boolean forceRebind) {
		Intent intent = new Intent(mAction);