| /* |
| * 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.weatherlistwidget; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import android.appwidget.AppWidgetManager; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.ContentUris; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.widget.RemoteViews; |
| import android.widget.RemoteViewsService; |
| |
| /** |
| * This is the service that provides the factory to be bound to the collection service. |
| */ |
| public class WeatherWidgetService extends RemoteViewsService { |
| @Override |
| public RemoteViewsFactory onGetViewFactory(Intent intent) { |
| return new StackRemoteViewsFactory(this.getApplicationContext(), intent); |
| } |
| } |
| |
| /** |
| * This is the factory that will provide data to the collection widget. |
| */ |
| class StackRemoteViewsFactory implements RemoteViewsService.RemoteViewsFactory { |
| private Context mContext; |
| private Cursor mCursor; |
| private int mAppWidgetId; |
| |
| public StackRemoteViewsFactory(Context context, Intent intent) { |
| mContext = context; |
| mAppWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, |
| AppWidgetManager.INVALID_APPWIDGET_ID); |
| } |
| |
| public void onCreate() { |
| // Since we reload the cursor in onDataSetChanged() which gets called immediately after |
| // onCreate(), we do nothing here. |
| } |
| |
| public void onDestroy() { |
| if (mCursor != null) { |
| mCursor.close(); |
| } |
| } |
| |
| public int getCount() { |
| return mCursor.getCount(); |
| } |
| |
| public RemoteViews getViewAt(int position) { |
| // Get the data for this position from the content provider |
| String day = "Unknown Day"; |
| int temp = 0; |
| if (mCursor.moveToPosition(position)) { |
| final int dayColIndex = mCursor.getColumnIndex(WeatherDataProvider.Columns.DAY); |
| final int tempColIndex = mCursor.getColumnIndex( |
| WeatherDataProvider.Columns.TEMPERATURE); |
| day = mCursor.getString(dayColIndex); |
| temp = mCursor.getInt(tempColIndex); |
| } |
| |
| // Return a proper item with the proper day and temperature |
| final String formatStr = mContext.getResources().getString(R.string.item_format_string); |
| final int itemId = R.layout.widget_item; |
| RemoteViews rv = new RemoteViews(mContext.getPackageName(), itemId); |
| rv.setTextViewText(R.id.widget_item, String.format(formatStr, temp, day)); |
| |
| // Set the click intent so that we can handle it and show a toast message |
| final Intent fillInIntent = new Intent(); |
| final Bundle extras = new Bundle(); |
| extras.putString(WeatherWidgetProvider.EXTRA_DAY_ID, day); |
| fillInIntent.putExtras(extras); |
| rv.setOnClickFillInIntent(R.id.widget_item, fillInIntent); |
| |
| return rv; |
| } |
| public RemoteViews getLoadingView() { |
| // We aren't going to return a default loading view in this sample |
| return null; |
| } |
| |
| public int getViewTypeCount() { |
| // Technically, we have two types of views (the dark and light background views) |
| return 2; |
| } |
| |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| public boolean hasStableIds() { |
| return true; |
| } |
| |
| public void onDataSetChanged() { |
| // Refresh the cursor |
| if (mCursor != null) { |
| mCursor.close(); |
| } |
| mCursor = mContext.getContentResolver().query(WeatherDataProvider.CONTENT_URI, null, null, |
| null, null); |
| } |
| } |