1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.quicksearchbox.preferences; 17 18 import com.android.quicksearchbox.QsbApplication; 19 20 import android.os.Bundle; 21 import android.preference.Preference; 22 import android.preference.PreferenceCategory; 23 import android.preference.PreferenceFragment; 24 import android.preference.PreferenceGroup; 25 26 /** 27 * System search settings fragment. 28 */ 29 public abstract class SettingsFragmentBase extends PreferenceFragment { 30 31 // Name of the preferences file used to store search preference 32 public static final String PREFERENCES_NAME = "SearchSettings"; 33 34 private PreferenceController mController; 35 36 @Override 37 public void onCreate(Bundle savedInstanceState) { 38 super.onCreate(savedInstanceState); 39 40 mController = createController(); 41 42 getPreferenceManager().setSharedPreferencesName(getPreferencesName()); 43 44 addPreferencesFromResource(getPreferencesResourceId()); 45 46 handlePreferenceGroup(getPreferenceScreen()); 47 48 mController.onCreateComplete(); 49 } 50 51 protected PreferenceController getController() { 52 return mController; 53 } 54 55 protected PreferenceControllerFactory createController() { 56 QsbApplication app = QsbApplication.get(getActivity()); 57 return app.createPreferenceControllerFactory(getActivity()); 58 } 59 60 protected String getPreferencesName() { 61 return PREFERENCES_NAME; 62 } 63 64 protected abstract int getPreferencesResourceId(); 65 66 protected void handlePreferenceGroup(PreferenceGroup group) { 67 for (int i = 0; i < group.getPreferenceCount(); ++i) { 68 Preference p = group.getPreference(i); 69 if (p instanceof PreferenceCategory) { 70 handlePreferenceGroup((PreferenceCategory) p); 71 } else { 72 mController.handlePreference(group.getPreference(i)); 73 } 74 } 75 } 76 77 @Override 78 public void onResume() { 79 super.onResume(); 80 mController.onResume(); 81 } 82 83 @Override 84 public void onStop() { 85 mController.onStop(); 86 super.onStop(); 87 } 88 89 @Override 90 public void onDestroy() { 91 mController.onDestroy(); 92 super.onDestroy(); 93 } 94 } 95
