com.xengar.android.stocktracker.widget.ListWidgetProvider.java Source code

Introduction

Here is the source code for com.xengar.android.stocktracker.widget.ListWidgetProvider.java

Source

/*
 * Copyright (C) 2017 Angel Garcia
 *
 * 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.xengar.android.stocktracker.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.xengar.android.stocktracker.R;
import com.xengar.android.stocktracker.ui.DetailActivity;
import com.xengar.android.stocktracker.ui.MainActivity;
import com.xengar.android.stocktracker.sync.QuoteSyncJob;

/**
 * Provider for a scrollable stocks list widget
 */
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public class ListWidgetProvider extends AppWidgetProvider {
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        // 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_list);

            // 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, pendingIntent);

            // Set up the collection
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
                setRemoteAdapter(context, views);
            } else {
                setRemoteAdapterV11(context, views);
            }
            boolean useDetailActivity = context.getResources().getBoolean(R.bool.use_detail_activity);
            Intent clickIntentTemplate = useDetailActivity ? new Intent(context, DetailActivity.class)
                    : new Intent(context, MainActivity.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 widget
            appWidgetManager.updateAppWidget(appWidgetId, views);
        }
    }

    @Override
    public void onReceive(@NonNull Context context, @NonNull 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.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, ListWidgetRemoteViewsService.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, ListWidgetRemoteViewsService.class));
    }
}