Merge "DO NOT MERGE ANYWHERE - Clear preferences when package is removed." into nyc-mr1-dev (8c0b46c4) · Commits · e / os / android_frameworks_base

packages/DocumentsUI/src/com/android/documentsui/LocalPreferences.java

+27 −0

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.annotation.IntDef;
		import android.annotation.Nullable;
		import android.content.Context;
		import android.content.SharedPreferences;
		import android.content.SharedPreferences.Editor;
		import android.os.UserHandle;
		import android.preference.PreferenceManager;

		@@ -84,6 +85,15 @@ public class LocalPreferences {
		@Retention(RetentionPolicy.SOURCE)
		public @interface PermissionStatus {}

		/**
		* Clears all preferences associated with a given package.
		*
		* <p>Typically called when a package is removed or when user asked to clear its data.
		*/
		static void clearPackagePreferences(Context context, String packageName) {
		clearScopedAccessPreferences(context, packageName);
		}

		/**
		* Methods below are used to keep track of denied user requests on scoped directory access so
		* the dialog is not offered when user checked the 'Do not ask again' box
		@@ -108,6 +118,23 @@ public class LocalPreferences {
		getPrefs(context).edit().putInt(key, status).apply();
		}

		private static void clearScopedAccessPreferences(Context context, String packageName) {
		final String keySubstring = "\|" + packageName + "\|";
		final SharedPreferences prefs = getPrefs(context);
		Editor editor = null;
		for (final String key : prefs.getAll().keySet()) {
		if (key.contains(keySubstring)) {
		if (editor == null) {
		editor = prefs.edit();
		}
		editor.remove(key);
		}
		}
		if (editor != null) {
		editor.apply();
		}
		}

		private static String getScopedAccessDenialsKey(String packageName, String uuid,
		String directory) {
		final int userId = UserHandle.myUserId();

packages/DocumentsUI/src/com/android/documentsui/PackageReceiver.java

+9 −5

Original line number	Diff line number	Diff line
		@@ -23,7 +23,7 @@ import android.content.Intent;
		import android.net.Uri;

		/**
		* Clean up {@link RecentsProvider} when packages are removed.
		* Cleans up {@link RecentsProvider} and {@link LocalPreferences} when packages are removed.
		*/
		public class PackageReceiver extends BroadcastReceiver {
		@Override
		@@ -31,15 +31,19 @@ public class PackageReceiver extends BroadcastReceiver {
		final ContentResolver resolver = context.getContentResolver();

		final String action = intent.getAction();
		final Uri data = intent.getData();
		final String packageName = data == null ? null : data.getSchemeSpecificPart();

		if (Intent.ACTION_PACKAGE_FULLY_REMOVED.equals(action)) {
		resolver.call(RecentsProvider.buildRecent(), RecentsProvider.METHOD_PURGE, null, null);

		if (packageName != null) {
		LocalPreferences.clearPackagePreferences(context, packageName);
		}
		} else if (Intent.ACTION_PACKAGE_DATA_CLEARED.equals(action)) {
		final Uri data = intent.getData();
		if (data != null) {
		final String packageName = data.getSchemeSpecificPart();
		if (packageName != null) {
		resolver.call(RecentsProvider.buildRecent(), RecentsProvider.METHOD_PURGE_PACKAGE,
		packageName, null);
		LocalPreferences.clearPackagePreferences(context, packageName);
		}
		}
		}