| /* |
| * Copyright (C) 2009 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.android.launcher2; |
| |
| import android.app.WallpaperManager; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.graphics.drawable.Drawable; |
| import android.os.Bundle; |
| import android.os.RemoteException; |
| import android.service.wallpaper.WallpaperService; |
| import android.util.Log; |
| |
| import java.text.Collator; |
| import java.util.List; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| |
| /** |
| * Displays a list of live wallpapers, allowing the user to select one |
| * and make it the system global wallpaper. |
| */ |
| public class LiveWallpaperPickActivity extends ActivityPicker { |
| private static final String TAG = "LiveWallpaperPickActivity"; |
| |
| private PackageManager mPackageManager; |
| private WallpaperManager mWallpaperManager; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| mPackageManager = getPackageManager(); |
| mWallpaperManager = WallpaperManager.getInstance(this); |
| |
| super.onCreate(icicle); |
| |
| // Set default return data |
| setResult(RESULT_CANCELED); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| Intent intent = getIntentForPosition(which); |
| try { |
| mWallpaperManager.getIWallpaperManager().setWallpaperComponent( |
| intent.getComponent()); |
| this.setResult(RESULT_OK); |
| } catch (RemoteException e) { |
| // do nothing |
| } catch (RuntimeException e) { |
| Log.w(TAG, "Failure setting wallpaper", e); |
| } |
| finish(); |
| } |
| |
| void putLiveWallpaperItems(List<ResolveInfo> ris, |
| List<PickAdapter.Item> items) { |
| final int size = ris.size(); |
| for (int i = 0; i < size; i++) { |
| ServiceInfo si = ris.get(i).serviceInfo; |
| |
| CharSequence label = si.loadLabel(mPackageManager); |
| Drawable icon = si.loadIcon(mPackageManager); |
| |
| PickAdapter.Item item = new PickAdapter.Item(this, label, icon); |
| |
| item.packageName = si.packageName; |
| item.className = si.name; |
| |
| items.add(item); |
| } |
| } |
| |
| @Override |
| protected List<PickAdapter.Item> getItems() { |
| List<PickAdapter.Item> items = new ArrayList<PickAdapter.Item>(); |
| |
| putInstalledLiveWallpapers(items); |
| |
| // Sort all items together by label |
| Collections.sort(items, new Comparator<PickAdapter.Item>() { |
| Collator mCollator = Collator.getInstance(); |
| public int compare(PickAdapter.Item lhs, PickAdapter.Item rhs) { |
| return mCollator.compare(lhs.label, rhs.label); |
| } |
| }); |
| |
| return items; |
| } |
| |
| void putInstalledLiveWallpapers(List<PickAdapter.Item> items) { |
| List<ResolveInfo> ris = mPackageManager.queryIntentServices( |
| new Intent(WallpaperService.SERVICE_INTERFACE), 0); |
| putLiveWallpaperItems(ris, items); |
| } |
| } |