94 lines
4.2 KiB
Java
94 lines
4.2 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.stackwidget;
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import android.app.PendingIntent;
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import android.appwidget.AppWidgetManager;
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import android.appwidget.AppWidgetProvider;
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import android.content.Context;
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import android.content.Intent;
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import android.net.Uri;
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import android.widget.RemoteViews;
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import android.widget.Toast;
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public class StackWidgetProvider extends AppWidgetProvider {
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public static final String TOAST_ACTION = "com.example.android.stackwidget.TOAST_ACTION";
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public static final String EXTRA_ITEM = "com.example.android.stackwidget.EXTRA_ITEM";
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@Override
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public void onDeleted(Context context, int[] appWidgetIds) {
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super.onDeleted(context, appWidgetIds);
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}
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@Override
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public void onDisabled(Context context) {
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super.onDisabled(context);
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}
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@Override
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public void onEnabled(Context context) {
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super.onEnabled(context);
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}
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@Override
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public void onReceive(Context context, Intent intent) {
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AppWidgetManager mgr = AppWidgetManager.getInstance(context);
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if (intent.getAction().equals(TOAST_ACTION)) {
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int appWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
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AppWidgetManager.INVALID_APPWIDGET_ID);
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int viewIndex = intent.getIntExtra(EXTRA_ITEM, 0);
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Toast.makeText(context, "Touched view " + viewIndex, Toast.LENGTH_SHORT).show();
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}
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super.onReceive(context, intent);
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}
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@Override
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public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
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// update each of the widgets with the remote adapter
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for (int i = 0; i < appWidgetIds.length; ++i) {
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// Here we setup the intent which points to the StackViewService which will
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// provide the views for this collection.
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Intent intent = new Intent(context, StackWidgetService.class);
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intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetIds[i]);
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// When intents are compared, the extras are ignored, so we need to embed the extras
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// into the data so that the extras will not be ignored.
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intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME)));
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RemoteViews rv = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
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rv.setRemoteAdapter(appWidgetIds[i], R.id.stack_view, intent);
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// The empty view is displayed when the collection has no items. It should be a sibling
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// of the collection view.
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rv.setEmptyView(R.id.stack_view, R.id.empty_view);
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// Here we setup the a pending intent template. Individuals items of a collection
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// cannot setup their own pending intents, instead, the collection as a whole can
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// setup a pending intent template, and the individual items can set a fillInIntent
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// to create unique before on an item to item basis.
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Intent toastIntent = new Intent(context, StackWidgetProvider.class);
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toastIntent.setAction(StackWidgetProvider.TOAST_ACTION);
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toastIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetIds[i]);
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intent.setData(Uri.parse(intent.toUri(Intent.URI_INTENT_SCHEME)));
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PendingIntent toastPendingIntent = PendingIntent.getBroadcast(context, 0, toastIntent,
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PendingIntent.FLAG_UPDATE_CURRENT);
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rv.setPendingIntentTemplate(R.id.stack_view, toastPendingIntent);
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appWidgetManager.updateAppWidget(appWidgetIds[i], rv);
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}
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super.onUpdate(context, appWidgetManager, appWidgetIds);
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}
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} |