AppWidgetUpdateHandlerV11.java

package com.ianhanniballake.contractiontimer.appwidget;

import android.annotation.TargetApi;
import android.appwidget.AppWidgetManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.Build;

import com.ianhanniballake.contractiontimer.R;

/**
 * Handles updating all App Widgets
 */
public class AppWidgetUpdateHandlerV11 extends AppWidgetUpdateHandlerBase {
    /**
     * Updates all instances of the Detail App Widgets
     *
     * @param context          Context used to trigger updates
     * @param appWidgetManager AppWidgetManager instance
     */
    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    private static void updateDetailWidgets(final Context context, final AppWidgetManager appWidgetManager) {
        final int[] detailAppWidgetIds = appWidgetManager.getAppWidgetIds(new ComponentName(context,
                DetailAppWidgetProvider.class));
        final boolean detailWidgetsExist = detailAppWidgetIds.length > 0;
        if (detailWidgetsExist) {
            context.startService(new Intent(context, DetailAppWidgetService.class));
            appWidgetManager.notifyAppWidgetViewDataChanged(detailAppWidgetIds, R.id.list_view);
        }
    }

    @Override
    public void updateAllWidgets(final Context context) {
        super.updateAllWidgets(context);
        final AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
        AppWidgetUpdateHandlerV11.updateDetailWidgets(context, appWidgetManager);
    }
}