CryptoWidget

package com.lorenzobenevento.cryptowidget;

import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.widget.RemoteViews;

import java.text.DateFormat;
import java.util.Date;

import static android.appwidget.AppWidgetManager.ACTION_APPWIDGET_UPDATE;

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

    static void updateAppWidget(Context context, AppWidgetManager appWidgetManager,
                                int appWidgetId) {

        CharSequence widgetText = context.getString(R.string.appwidget_text);

        String currentDataTimeString = DateFormat.getDateTimeInstance().format(new Date());
        // Construct the RemoteViews object
        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.crypto_widget);
        views.setTextViewText(R.id.cryptowidget, currentDataTimeString);

        // Instruct the widget manager to update the widget
        appWidgetManager.updateAppWidget(appWidgetId, views);
    }

    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        // There may be multiple widgets active, so update all of them

        for (int appWidgetId : appWidgetIds) {
            updateAppWidget(context, appWidgetManager, appWidgetId);
        }
    }

    @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
    }

    public static void sendUpdateIntent(Context context) {
        Intent intent = new Intent(context, CryptoWidget.class);
        intent.setAction(ACTION_APPWIDGET_UPDATE);
        context.sendBroadcast(intent);
    }
}