SensorWidgetProvider.java

        Intent refreshIntent = new Intent(context, SensorIntentService.class);
        refreshIntent.setAction(SensorIntentService.ACTION_REFRESH_WIDGET);
        PendingIntent refreshPendingIntent = PendingIntent.getService(
                context,
                0,
                refreshIntent,
                PendingIntent.FLAG_UPDATE_CURRENT);
        views.setOnClickPendingIntent(R.id.refresh_ic, refreshPendingIntent);