AppWidgetUpdateHandler.java

package com.ianhanniballake.contractiontimer.appwidget;

import android.content.Context;
import android.os.Build;
import android.support.annotation.NonNull;

/**
 * Handles updating all App Widgets
 */
public abstract class AppWidgetUpdateHandler {
    /**
     * Creates a version appropriate AppWidgetUpdateHandler instance
     *
     * @return an appropriate AppWidgetUpdateHandler
     */
    @NonNull
    public static AppWidgetUpdateHandler createInstance() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB)
            return new AppWidgetUpdateHandlerV11();
        return new AppWidgetUpdateHandlerBase();
    }

    /**
     * Updates all App Widgets with the latest information. This should be called whenever a contraction is updated
     *
     * @param context Context used to trigger updates, must not be null
     */
    public abstract void updateAllWidgets(final Context context);
}