Enables a profile owner or device owner to set and clear default intent handler activities. (f475ca33) · Commits · e / os / android_frameworks_base

api/current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -4750,6 +4750,8 @@ package android.app.admin {
		}

		public class DevicePolicyManager {
		method public void addPersistentPreferredActivity(android.content.ComponentName, android.content.IntentFilter, android.content.ComponentName);
		method public void clearPackagePersistentPreferredActivities(android.content.ComponentName, java.lang.String);
		method public java.util.List<android.content.ComponentName> getActiveAdmins();
		method public boolean getCameraDisabled(android.content.ComponentName);
		method public int getCurrentFailedPasswordAttempts();

core/java/android/app/admin/DevicePolicyManager.java

+50 −0

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.IntentFilter;
		import android.content.pm.ActivityInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.ResolveInfo;
		@@ -1766,4 +1767,53 @@ public class DevicePolicyManager {
		}
		return null;
		}

		/**
		* Called by a profile owner or device owner to add a default intent handler activity for
		* intents that match a certain intent filter. This activity will remain the default intent
		* handler even if the set of potential event handlers for the intent filter changes and if
		* the intent preferences are reset.
		*
		* <p>The default disambiguation mechanism takes over if the activity is not installed
		* (anymore). When the activity is (re)installed, it is automatically reset as default
		* intent handler for the filter.
		*
		* <p>The calling device admin must be a profile owner or device owner. If it is not, a
		* security exception will be thrown.
		*
		* @param admin Which {@link DeviceAdminReceiver} this request is associated with.
		* @param filter The IntentFilter for which a default handler is added.
		* @param activity The Activity that is added as default intent handler.
		*/
		public void addPersistentPreferredActivity(ComponentName admin, IntentFilter filter,
		ComponentName activity) {
		if (mService != null) {
		try {
		mService.addPersistentPreferredActivity(admin, filter, activity);
		} catch (RemoteException e) {
		Log.w(TAG, "Failed talking with device policy service", e);
		}
		}
		}

		/**
		* Called by a profile owner or device owner to remove all persistent intent handler preferences
		* associated with the given package that were set by {@link addPersistentPreferredActivity}.
		*
		* <p>The calling device admin must be a profile owner. If it is not, a security
		* exception will be thrown.
		*
		* @param admin Which {@link DeviceAdminReceiver} this request is associated with.
		* @param packageName The name of the package for which preferences are removed.
		*/
		public void clearPackagePersistentPreferredActivities(ComponentName admin,
		String packageName) {
		if (mService != null) {
		try {
		mService.clearPackagePersistentPreferredActivities(admin, packageName);
		} catch (RemoteException e) {
		Log.w(TAG, "Failed talking with device policy service", e);
		}
		}
		}
		}

core/java/android/app/admin/IDevicePolicyManager.aidl

+4 −0

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@
		package android.app.admin;

		import android.content.ComponentName;
		import android.content.IntentFilter;
		import android.os.RemoteCallback;

		/**
		@@ -109,4 +110,7 @@ interface IDevicePolicyManager {

		boolean installCaCert(in byte[] certBuffer);
		void uninstallCaCert(in byte[] certBuffer);

		void addPersistentPreferredActivity(in ComponentName admin, in IntentFilter filter, in ComponentName activity);
		void clearPackagePersistentPreferredActivities(in ComponentName admin, String packageName);
		}

core/java/android/content/pm/IPackageManager.aidl

+4 −0

Original line number	Diff line number	Diff line
		@@ -237,6 +237,10 @@ interface IPackageManager {
		int getPreferredActivities(out List<IntentFilter> outFilters,
		out List<ComponentName> outActivities, String packageName);

		void addPersistentPreferredActivity(in IntentFilter filter, in ComponentName activity, int userId);

		void clearPackagePersistentPreferredActivities(String packageName, int userId);

		/**
		* Report the set of 'Home' activity candidates, plus (if any) which of them
		* is the current "always use this one" setting.

services/core/java/com/android/server/pm/PackageManagerService.java

+132 −0

Original line number	Diff line number	Diff line
		@@ -2777,6 +2777,63 @@ public class PackageManagerService extends IPackageManager.Stub {
		return null;
		}

		private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
		int flags, List<ResolveInfo> query, boolean debug, int userId) {
		final int N = query.size();
		PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
		.get(userId);
		// Get the list of persistent preferred activities that handle the intent
		if (DEBUG_PREFERRED \|\| debug) Slog.v(TAG, "Looking for presistent preferred activities...");
		List<PersistentPreferredActivity> pprefs = ppir != null
		? ppir.queryIntent(intent, resolvedType,
		(flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
		: null;
		if (pprefs != null && pprefs.size() > 0) {
		final int M = pprefs.size();
		for (int i=0; i<M; i++) {
		final PersistentPreferredActivity ppa = pprefs.get(i);
		if (DEBUG_PREFERRED \|\| debug) {
		Slog.v(TAG, "Checking PersistentPreferredActivity ds="
		+ (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
		+ "\n component=" + ppa.mComponent);
		ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " ");
		}
		final ActivityInfo ai = getActivityInfo(ppa.mComponent,
		flags \| PackageManager.GET_DISABLED_COMPONENTS, userId);
		if (DEBUG_PREFERRED \|\| debug) {
		Slog.v(TAG, "Found persistent preferred activity:");
		if (ai != null) {
		ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " ");
		} else {
		Slog.v(TAG, " null");
		}
		}
		if (ai == null) {
		// This previously registered persistent preferred activity
		// component is no longer known. Ignore it and do NOT remove it.
		continue;
		}
		for (int j=0; j<N; j++) {
		final ResolveInfo ri = query.get(j);
		if (!ri.activityInfo.applicationInfo.packageName
		.equals(ai.applicationInfo.packageName)) {
		continue;
		}
		if (!ri.activityInfo.name.equals(ai.name)) {
		continue;
		}
		// Found a persistent preference that can handle the intent.
		if (DEBUG_PREFERRED \|\| debug) {
		Slog.v(TAG, "Returning persistent preferred activity: " +
		ri.activityInfo.packageName + "/" + ri.activityInfo.name);
		}
		return ri;
		}
		}
		}
		return null;
		}

		ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
		List<ResolveInfo> query, int priority, boolean always,
		boolean removeMatches, boolean debug, int userId) {
		@@ -2787,6 +2844,16 @@ public class PackageManagerService extends IPackageManager.Stub {
		intent = intent.getSelector();
		}
		if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);

		// Try to find a matching persistent preferred activity.
		ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
		debug, userId);

		// If a persistent preferred activity matched, use it.
		if (pri != null) {
		return pri;
		}

		PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
		// Get the list of preferred activities that handle the intent
		if (DEBUG_PREFERRED \|\| debug) Slog.v(TAG, "Looking for preferred activities...");
		@@ -10340,6 +10407,71 @@ public class PackageManagerService extends IPackageManager.Stub {
		return num;
		}

		@Override
		public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
		int userId) {
		int callingUid = Binder.getCallingUid();
		if (callingUid != Process.SYSTEM_UID) {
		throw new SecurityException(
		"addPersistentPreferredActivity can only be run by the system");
		}
		if (filter.countActions() == 0) {
		Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
		return;
		}
		synchronized (mPackages) {
		Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
		" :");
		filter.dump(new LogPrinter(Log.INFO, TAG), " ");
		mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
		new PersistentPreferredActivity(filter, activity));
		mSettings.writePackageRestrictionsLPr(userId);
		}
		}

		@Override
		public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
		int callingUid = Binder.getCallingUid();
		if (callingUid != Process.SYSTEM_UID) {
		throw new SecurityException(
		"clearPackagePersistentPreferredActivities can only be run by the system");
		}
		ArrayList<PersistentPreferredActivity> removed = null;
		boolean changed = false;
		synchronized (mPackages) {
		for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
		final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
		PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
		.valueAt(i);
		if (userId != thisUserId) {
		continue;
		}
		Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
		while (it.hasNext()) {
		PersistentPreferredActivity ppa = it.next();
		// Mark entry for removal only if it matches the package name.
		if (ppa.mComponent.getPackageName().equals(packageName)) {
		if (removed == null) {
		removed = new ArrayList<PersistentPreferredActivity>();
		}
		removed.add(ppa);
		}
		}
		if (removed != null) {
		for (int j=0; j<removed.size(); j++) {
		PersistentPreferredActivity ppa = removed.get(j);
		ppir.removeFilter(ppa);
		}
		changed = true;
		}
		}

		if (changed) {
		mSettings.writePackageRestrictionsLPr(userId);
		}
		}
		}

		@Override
		public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
		Intent intent = new Intent(Intent.ACTION_MAIN);