Initial checkin of AOSP Messaging app.

b/23110861

Change-Id: I11db999bd10656801e618f78ab2b2ef74136fff1

src/com/android/messaging/util/BugleApplicationPrefs.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.messaging.util;
+
+import android.content.Context;
+
+/**
+ * Provides interface to access application-wide shared preferences. This includes both the user
+ * visible preferences (e.g. the general settings in the settings page), and internal preferences
+ * under {@link BuglePrefsKeys}.
+ */
+public class BugleApplicationPrefs extends BuglePrefsImpl {
+    public BugleApplicationPrefs(Context context) {
+        super(context);
+    }
+
+    @Override
+    public String getSharedPreferencesName() {
+        return SHARED_PREFERENCES_NAME;
+    }
+
+    @Override
+    protected void validateKey(String key) {
+        super.validateKey(key);
+        // Callers shouldn't try to access per-subscription preferences from this class
+        Assert.isFalse(key.startsWith(SHARED_PREFERENCES_PER_SUBSCRIPTION_PREFIX));
+    }
+
+    @Override
+    public void onUpgrade(int oldVersion, int newVersion) {
+    }
+}