1 /* 2 * Copyright (C) 2011 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 17 package com.android.settings; 18 19 import android.content.ComponentName; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.PackageManager; 23 import android.content.pm.ResolveInfo; 24 import android.os.Bundle; 25 import android.preference.Preference; 26 import android.preference.PreferenceScreen; 27 import com.android.internal.logging.MetricsLogger; 28 import com.android.settings.search.BaseSearchIndexProvider; 29 import com.android.settings.search.Indexable; 30 import com.android.settings.search.SearchIndexableRaw; 31 32 import java.util.ArrayList; 33 import java.util.List; 34 35 public class WallpaperTypeSettings extends SettingsPreferenceFragment implements Indexable { 36 37 @Override 38 protected int getMetricsCategory() { 39 return MetricsLogger.WALLPAPER_TYPE; 40 } 41 42 @Override 43 protected int getHelpResource() { 44 return R.string.help_uri_wallpaper; 45 } 46 47 @Override 48 public void onCreate(Bundle savedInstanceState) { 49 super.onCreate(savedInstanceState); 50 51 addPreferencesFromResource(R.xml.wallpaper_settings); 52 populateWallpaperTypes(); 53 } 54 55 private void populateWallpaperTypes() { 56 // Search for activities that satisfy the ACTION_SET_WALLPAPER action 57 final Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER); 58 final PackageManager pm = getPackageManager(); 59 final List<ResolveInfo> rList = pm.queryIntentActivities(intent, 60 PackageManager.MATCH_DEFAULT_ONLY); 61 62 final PreferenceScreen parent = getPreferenceScreen(); 63 parent.setOrderingAsAdded(false); 64 // Add Preference items for each of the matching activities 65 for (ResolveInfo info : rList) { 66 Preference pref = new Preference(getActivity()); 67 Intent prefIntent = new Intent(intent); 68 prefIntent.setComponent(new ComponentName( 69 info.activityInfo.packageName, info.activityInfo.name)); 70 pref.setIntent(prefIntent); 71 CharSequence label = info.loadLabel(pm); 72 if (label == null) label = info.activityInfo.packageName; 73 pref.setTitle(label); 74 parent.addPreference(pref); 75 } 76 } 77 78 public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 79 new BaseSearchIndexProvider() { 80 @Override 81 public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) { 82 final List<SearchIndexableRaw> result = new ArrayList<SearchIndexableRaw>(); 83 84 final Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER); 85 final PackageManager pm = context.getPackageManager(); 86 final List<ResolveInfo> rList = pm.queryIntentActivities(intent, 87 PackageManager.MATCH_DEFAULT_ONLY); 88 89 // Add indexable data for each of the matching activities 90 for (ResolveInfo info : rList) { 91 CharSequence label = info.loadLabel(pm); 92 if (label == null) label = info.activityInfo.packageName; 93 94 SearchIndexableRaw data = new SearchIndexableRaw(context); 95 data.title = label.toString(); 96 data.screenTitle = context.getResources().getString( 97 R.string.wallpaper_settings_fragment_title); 98 data.intentAction = Intent.ACTION_SET_WALLPAPER; 99 data.intentTargetPackage = info.activityInfo.packageName; 100 data.intentTargetClass = info.activityInfo.name; 101 result.add(data); 102 } 103 104 return result; 105 } 106 }; 107 } 108
