Merge "Minor improvements on LocalPreferences." into nyc-andromeda-dev (5ab5c934) · Commits · e / os / android_packages_apps_DocumentsUI

src/com/android/documentsui/LocalPreferences.java

+14 −1

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 +85,11 @@ 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);
		}
		@@ -115,10 +121,17 @@ public class LocalPreferences {
		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)) {
		prefs.edit().remove(key).apply();
		if (editor == null) {
		editor = prefs.edit();
		}
		editor.remove(key);
		}
		}
		if (editor != null) {
		editor.apply();
		}
		}