/* * Copyright (C) 2007 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.example.android.apis.app;import com.example.android.apis.ApiDemosApplication;import com.example.android.apis.R;import android.app.Application;import android.content.SharedPreferences;import android.os.Bundle;import android.preference.PreferenceActivity;import android.preference.PreferenceManager;/** * This activity is an example of a simple settings screen that has default * values. * <p> * In order for the default values to be populated into the * {@link SharedPreferences} (from the preferences XML file), the client must * call * {@link PreferenceManager#setDefaultValues(android.content.Context, int, boolean)}. * <p> * This should be called early, typically when the application is first created. * This ensures any of the application's activities, services, etc. will have * the default values present, even if the user has not wandered into the * application's settings. For ApiDemos, this is {@link ApiDemosApplication}, * and you can find the call to * {@link PreferenceManager#setDefaultValues(android.content.Context, int, boolean)} * in its {@link ApiDemosApplication#onCreate() onCreate}. */public class DefaultValues extends PreferenceActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);                addPreferencesFromResource(R.xml.default_values);    }}