com.example.olivi.maphap.widget.DetailWidgetProvider.java Source code

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Here is the source code for com.example.olivi.maphap.widget.DetailWidgetProvider.java

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package com.example.olivi.maphap.widget;

import android.annotation.TargetApi;
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.os.Build;
import android.support.annotation.NonNull;
import android.support.v4.app.TaskStackBuilder;
import android.widget.RemoteViews;

import com.example.olivi.maphap.DetailActivity;
import com.example.olivi.maphap.MainActivity;
import com.example.olivi.maphap.R;
import com.example.olivi.maphap.service.MapHapService;

/**
 * Created by olivi on 9/25/2015.
 */
//Much of this code comes from the open source app Sunshine, built by Google. See
//the Licenses tabe under the menu.
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public class DetailWidgetProvider extends AppWidgetProvider {
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {

        //Start up DetailWidgetIntentService to query for regions data and see when it was last
        // updated. If the data is too old, the service will update it using MapHapService.
        Intent i = new Intent(context, DetailWidgetIntentService.class);
        context.startService(i);

        // Perform this loop procedure for each App Widget that belongs to this provider
        for (int appWidgetId : appWidgetIds) {
            RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_detail);

            // Create an Intent to launch MainActivity
            Intent intent = new Intent(context, MainActivity.class);
            PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
            views.setOnClickPendingIntent(R.id.widget_detail, pendingIntent);

            // Set up the collection
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
                setRemoteAdapter(context, views);
            } else {
                setRemoteAdapterV11(context, views);
            }

            Intent clickIntentTemplate = new Intent(context, DetailActivity.class);
            PendingIntent clickPendingIntentTemplate = TaskStackBuilder.create(context)
                    .addNextIntentWithParentStack(clickIntentTemplate)
                    .getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
            views.setPendingIntentTemplate(R.id.widget_list, clickPendingIntentTemplate);
            views.setEmptyView(R.id.widget_list, R.id.widget_empty);

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

    @Override
    public void onReceive(@NonNull Context context, @NonNull Intent intent) {
        super.onReceive(context, intent);
        if (MapHapService.ACTION_DATA_UPDATED.equals(intent.getAction())) {
            AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
            int[] appWidgetIds = appWidgetManager.getAppWidgetIds(new ComponentName(context, getClass()));
            appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetIds, R.id.widget_list);
        }
    }

    /**
     * Sets the remote adapter used to fill in the list items
     *
     * @param views RemoteViews to set the RemoteAdapter
     */
    @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
    private void setRemoteAdapter(Context context, @NonNull final RemoteViews views) {
        views.setRemoteAdapter(R.id.widget_list, new Intent(context, DetailWidgetRemoteViewsService.class));
    }

    /**
     * Sets the remote adapter used to fill in the list items
     *
     * @param views RemoteViews to set the RemoteAdapter
     */
    @SuppressWarnings("deprecation")
    private void setRemoteAdapterV11(Context context, @NonNull final RemoteViews views) {
        views.setRemoteAdapter(0, R.id.widget_list, new Intent(context, DetailWidgetRemoteViewsService.class));
    }
}