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.app.Activity; 20 import android.content.ComponentName; 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 28 import java.util.List; 29 30 public class WallpaperTypeSettings extends SettingsPreferenceFragment { 31 @Override onCreate(Bundle savedInstanceState)32 public void onCreate(Bundle savedInstanceState) { 33 super.onCreate(savedInstanceState); 34 35 addPreferencesFromResource(R.xml.wallpaper_settings); 36 populateWallpaperTypes(); 37 } 38 populateWallpaperTypes()39 private void populateWallpaperTypes() { 40 // Search for activities that satisfy the ACTION_SET_WALLPAPER action 41 Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER); 42 final PackageManager pm = getPackageManager(); 43 List<ResolveInfo> rList = pm.queryIntentActivities(intent, 44 PackageManager.MATCH_DEFAULT_ONLY); 45 46 final PreferenceScreen parent = getPreferenceScreen(); 47 parent.setOrderingAsAdded(false); 48 // Add Preference items for each of the matching activities 49 for (ResolveInfo info : rList) { 50 Preference pref = new Preference(getActivity()); 51 Intent prefIntent = new Intent(intent); 52 prefIntent.setComponent(new ComponentName( 53 info.activityInfo.packageName, info.activityInfo.name)); 54 pref.setIntent(prefIntent); 55 CharSequence label = info.loadLabel(pm); 56 if (label == null) label = info.activityInfo.packageName; 57 pref.setTitle(label); 58 parent.addPreference(pref); 59 } 60 } 61 } 62