Merge "Added api to delete cache files for a given user" into nyc-dev (0a6a6dbe) · Commits · e / os / android_frameworks_base

core/java/android/app/ApplicationPackageManager.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -1920,6 +1920,16 @@ public class ApplicationPackageManager extends PackageManager {
		}
		}

		@Override
		public void deleteApplicationCacheFilesAsUser(String packageName, int userId,
		IPackageDataObserver observer) {
		try {
		mPM.deleteApplicationCacheFilesAsUser(packageName, userId, observer);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		@Override
		public void freeStorageAndNotify(String volumeUuid, long idealStorageSize,
		IPackageDataObserver observer) {

+9 −0

Original line number	Diff line number	Diff line
		@@ -387,6 +387,15 @@ interface IPackageManager {
		*/
		void deleteApplicationCacheFiles(in String packageName, IPackageDataObserver observer);

		/**
		* Delete all the cache files in an applications cache directory
		* @param packageName The package name of the application whose cache
		* files need to be deleted
		* @param userId the user to delete application cache for
		* @param observer a callback used to notify when the deletion is finished.
		*/
		void deleteApplicationCacheFilesAsUser(in String packageName, int userId, IPackageDataObserver observer);

		/**
		* Clear the user data directory of an application.
		* @param packageName The package name of the application whose cache

+21 −0

Original line number	Diff line number	Diff line
		@@ -4971,6 +4971,27 @@ public abstract class PackageManager {
		public abstract void deleteApplicationCacheFiles(String packageName,
		IPackageDataObserver observer);

		/**
		* Attempts to delete the cache files associated with an application for a given user. Since
		* this may take a little while, the result will be posted back to the given observer. A
		* deletion will fail if the calling context lacks the
		* {@link android.Manifest.permission#DELETE_CACHE_FILES} permission, if the named package
		* cannot be found, or if the named package is a "system package". If {@code userId} does not
		* belong to the calling user, the caller must have
		* {@link android.Manifest.permission#INTERACT_ACROSS_USERS} permission.
		*
		* @param packageName The name of the package to delete
		* @param userId the user for which the cache files needs to be deleted
		* @param observer An observer callback to get notified when the cache file deletion is
		* complete.
		* {@link android.content.pm.IPackageDataObserver#onRemoveCompleted(String, boolean)}
		* will be called when that happens. observer may be null to indicate that no
		* callback is desired.
		* @hide
		*/
		public abstract void deleteApplicationCacheFilesAsUser(String packageName, int userId,
		IPackageDataObserver observer);

		/**
		* Free storage by deleting LRU sorted list of cache files across
		* all applications. If the currently available free storage

+11 −2

Original line number	Diff line number	Diff line
		@@ -16033,16 +16033,25 @@ public class PackageManagerService extends IPackageManager.Stub {
		@Override
		public void deleteApplicationCacheFiles(final String packageName,
		final IPackageDataObserver observer) {
		final int userId = UserHandle.getCallingUserId();
		deleteApplicationCacheFilesAsUser(packageName, userId, observer);
		}

		@Override
		public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId,
		final IPackageDataObserver observer) {
		mContext.enforceCallingOrSelfPermission(
		android.Manifest.permission.DELETE_CACHE_FILES, null);
		// Queue up an async operation since the package deletion may take a little while.
		final int userId = UserHandle.getCallingUserId();
		enforceCrossUserPermission(Binder.getCallingUid(), userId,
		/* requireFullPermission= / true, / checkShell= */ false,
		"delete application cache files");

		final PackageParser.Package pkg;
		synchronized (mPackages) {
		pkg = mPackages.get(packageName);
		}

		// Queue up an async operation since the package deletion may take a little while.
		mHandler.post(new Runnable() {
		public void run() {
		try (PackageFreezer freezer = freezePackage(packageName,

+9 −0

Original line number	Diff line number	Diff line
		@@ -691,6 +691,15 @@ public class MockPackageManager extends PackageManager {
		throw new UnsupportedOperationException();
		}

		/**
		* @hide - to match hiding in superclass
		*/
		@Override
		public void deleteApplicationCacheFilesAsUser(String packageName, int userId,
		IPackageDataObserver observer) {
		throw new UnsupportedOperationException();
		}

		/** {@hide} */
		@Override
		public void freeStorageAndNotify(String volumeUuid, long idealStorageSize,