blob: dc03174d0366b068ddc52f187a69bf8f95efe264 [file] [log] [blame]
/*
* 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.wallpaper.livepicker;
import java.io.IOException;
import java.util.List;
import org.xmlpull.v1.XmlPullParserException;
import android.app.Activity;
import android.app.WallpaperInfo;
import android.app.WallpaperManager;
import android.os.Bundle;
import android.os.Parcelable;
import android.content.ComponentName;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.service.wallpaper.WallpaperService;
import android.util.Log;
public class LiveWallpaperChange extends Activity {
private static final String TAG = "CHANGE_LIVE_WALLPAPER";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Parcelable obj = getIntent().getParcelableExtra(
WallpaperManager.EXTRA_LIVE_WALLPAPER_COMPONENT);
if (obj == null || !(obj instanceof ComponentName)) {
Log.w(TAG, "No LIVE_WALLPAPER_COMPONENT extra supplied");
finish();
return;
}
ComponentName comp = (ComponentName)obj;
// Get the information about this component. Implemented this way
// to not allow us to direct the caller to a service that is not a
// live wallpaper.
Intent queryIntent = new Intent(WallpaperService.SERVICE_INTERFACE);
queryIntent.setPackage(comp.getPackageName());
List<ResolveInfo> list = getPackageManager().queryIntentServices(
queryIntent, PackageManager.GET_META_DATA);
if (list != null) {
for (int i=0; i<list.size(); i++) {
ResolveInfo ri = list.get(i);
if (ri.serviceInfo.name.equals(comp.getClassName())) {
WallpaperInfo info = null;
try {
info = new WallpaperInfo(this, ri);
} catch (XmlPullParserException e) {
Log.w(TAG, "Bad wallpaper " + ri.serviceInfo, e);
finish();
return;
} catch (IOException e) {
Log.w(TAG, "Bad wallpaper " + ri.serviceInfo, e);
finish();
return;
}
Intent intent = new Intent(WallpaperService.SERVICE_INTERFACE);
intent.setClassName(info.getPackageName(), info.getServiceName());
LiveWallpaperPreview.showPreview(this, 0, intent, info);
finish();
return;
}
}
}
Log.w(TAG, "Not a live wallpaper: " + comp);
finish();
}
}