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Commit c19f9562 authored by Felipe Leme's avatar Felipe Leme Committed by Steve McKay
Browse files

Minor improvements on LocalPreferences. 

BUG: 30900628
Change-Id: I09ee88152fbcefd0a301e52599e1c71e2f96557d
(cherry picked from commit da1fc0a9)
parent c02b4b0a

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();

        }

    }