com.udacity.stockhawk.widget.StockAppWidgetProvider.java Source code

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Here is the source code for com.udacity.stockhawk.widget.StockAppWidgetProvider.java

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/*
  MIT License
    
  Copyright (c) 2017 Elyasin Shaladi
    
  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
  associated documentation files (the "Software"), to deal in the Software without restriction,
  including without limitation the rights to use, copy, modify, merge, publish, distribute,
  sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
    
  The above copyright notice and this permission notice shall be included in all copies or
  substantial portions of the Software.
    
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
  NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.udacity.stockhawk.widget;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.support.v4.app.TaskStackBuilder;
import android.widget.RemoteViews;

import com.udacity.stockhawk.R;
import com.udacity.stockhawk.sync.QuoteSyncJob;
import com.udacity.stockhawk.ui.ChartActivity;

/**
 * Implementation of App Widget functionality.
 */
public class StockAppWidgetProvider extends AppWidgetProvider {

    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        for (int appWidgetId : appWidgetIds) {

            RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.stock_app_widget);

            // Set up the collection
            views.setRemoteAdapter(R.id.lv_stock_list, new Intent(context, StockAppRemoteViewsService.class));

            Intent clickIntentTemplate = new Intent(context, ChartActivity.class);
            PendingIntent clickPendingIntentTemplate = TaskStackBuilder.create(context)
                    .addNextIntentWithParentStack(clickIntentTemplate)
                    .getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
            views.setPendingIntentTemplate(R.id.lv_stock_list, clickPendingIntentTemplate);

            views.setEmptyView(R.id.lv_stock_list, R.id.tv_widget_empty);

            // Tell the AppWidgetManager to perform an update on the current app widget
            appWidgetManager.updateAppWidget(appWidgetId, views);
        }
    }

    @Override
    public void onEnabled(Context context) {
        // Enter relevant functionality for when the first widget is created
    }

    @Override
    public void onDisabled(Context context) {
        // Enter relevant functionality for when the last widget is disabled
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        super.onReceive(context, intent);
        if (QuoteSyncJob.ACTION_DATA_UPDATED.equals(intent.getAction())) {

            AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
            int[] appWidgetIds = appWidgetManager.getAppWidgetIds(new ComponentName(context, getClass()));
            appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetIds, R.id.lv_stock_list);
        }
    }
}