Demonstration-of-PreferenceFragment-showing-a-single-fragment-in-an-activity


            /*
 * Copyright (C) 2010 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.preference;
import com.example.android.apis.R;
import android.app.Activity;
import android.os.Bundle;
import android.preference.PreferenceFragment;
/**
 * Demonstration of PreferenceFragment, showing a single fragment in an
 * activity.
 */
public class FragmentPreferences extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Display the fragment as the main content.
        getFragmentManager().beginTransaction().replace(android.R.id.content,
                new PrefsFragment()).commit();
    }
    public static class PrefsFragment extends PreferenceFragment {
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            // Load the preferences from an XML resource
            addPreferencesFromResource(R.xml.preferences);
        }
    }
}
//xml/preferences.xml



        xmlns:android="http://schemas.android.com/apk/res/android">
                android:title="@string/inline_preferences">
            
                        android:key="checkbox_preference"
                android:title="@string/title_toggle_preference"
                android:summary="@string/summary_toggle_preference" />
            
    
                
                android:title="@string/dialog_based_preferences">
                        android:key="edittext_preference"
                android:title="@string/title_edittext_preference"
                android:summary="@string/summary_edittext_preference"
                android:dialogTitle="@string/dialog_title_edittext_preference" />
                
                        android:key="list_preference"
                android:title="@string/title_list_preference"
                android:summary="@string/summary_list_preference"
                android:entries="@array/entries_list_preference"
                android:entryValues="@array/entryvalues_list_preference"
                android:dialogTitle="@string/dialog_title_list_preference" />
    
                android:title="@string/launch_preferences">
        
                        android:key="screen_preference"
                android:title="@string/title_screen_preference"
                android:summary="@string/summary_screen_preference">
            
            
                     
                                android:key="next_screen_checkbox_preference"
                    android:title="@string/title_next_screen_toggle_preference"
                    android:summary="@string/summary_next_screen_toggle_preference" />
                
        
                        android:title="@string/title_intent_preference"
                android:summary="@string/summary_intent_preference">
                                android:data="http://www.android.com" />
        
    
    
                android:title="@string/preference_attributes">
    
                        android:key="parent_checkbox_preference"
                android:title="@string/title_parent_preference"
                android:summary="@string/summary_parent_preference" />
        
                        android:key="child_checkbox_preference"
                android:dependency="parent_checkbox_preference"
                android:layout="?android:attr/preferenceLayoutChild"
                android:title="@string/title_child_preference"
                android:summary="@string/summary_child_preference" />
Core Class Android
