| /* |
| * Copyright (C) 2011 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.example.android.stackwidget; |
| |
| import android.app.PendingIntent; |
| import android.appwidget.AppWidgetManager; |
| import android.appwidget.AppWidgetProvider; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.widget.RemoteViews; |
| import android.widget.Toast; |
| |
| public class StackWidgetProvider extends AppWidgetProvider { |
| public static final String TOAST_ACTION = "com.example.android.stackwidget.TOAST_ACTION"; |
| public static final String EXTRA_ITEM = "com.example.android.stackwidget.EXTRA_ITEM"; |
| |
| @Override |
| public void onDeleted(Context context, int[] appWidgetIds) { |
| super.onDeleted(context, appWidgetIds); |
| } |
| |
| @Override |
| public void onDisabled(Context context) { |
| super.onDisabled(context); |
| } |
| |
| @Override |
| public void onEnabled(Context context) { |
| super.onEnabled(context); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| AppWidgetManager mgr = AppWidgetManager.getInstance(context); |
| if (intent.getAction().equals(TOAST_ACTION)) { |
| int appWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, |
| AppWidgetManager.INVALID_APPWIDGET_ID); |
| int viewIndex = intent.getIntExtra(EXTRA_ITEM, 0); |
| Toast.makeText(context, "Touched view " + viewIndex, Toast.LENGTH_SHORT).show(); |
| } |
| super.onReceive(context, intent); |
| } |
| |
| @Override |
| public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { |
| // update each of the widgets with the remote adapter |
| for (int i = 0; i < appWidgetIds.length; ++i) { |
| |
| // Here we setup the intent which points to the StackViewService which will |
| // provide the views for this collection. |
| Intent intent = new Intent(context, StackWidgetService.class); |
| intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetIds[i]); |
| // When intents are compared, the extras are ignored, so we need to embed the extras |
| // into the data so that the extras will not be ignored. |
| intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME))); |
| RemoteViews rv = new RemoteViews(context.getPackageName(), R.layout.widget_layout); |
| rv.setRemoteAdapter(appWidgetIds[i], R.id.stack_view, intent); |
| |
| // The empty view is displayed when the collection has no items. It should be a sibling |
| // of the collection view. |
| rv.setEmptyView(R.id.stack_view, R.id.empty_view); |
| |
| // Here we setup the a pending intent template. Individuals items of a collection |
| // cannot setup their own pending intents, instead, the collection as a whole can |
| // setup a pending intent template, and the individual items can set a fillInIntent |
| // to create unique before on an item to item basis. |
| Intent toastIntent = new Intent(context, StackWidgetProvider.class); |
| toastIntent.setAction(StackWidgetProvider.TOAST_ACTION); |
| toastIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetIds[i]); |
| intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME))); |
| PendingIntent toastPendingIntent = PendingIntent.getBroadcast(context, 0, toastIntent, |
| PendingIntent.FLAG_UPDATE_CURRENT); |
| rv.setPendingIntentTemplate(R.id.stack_view, toastPendingIntent); |
| |
| appWidgetManager.updateAppWidget(appWidgetIds[i], rv); |
| } |
| super.onUpdate(context, appWidgetManager, appWidgetIds); |
| } |
| } |