try this code:
public class WidgetProvider extends AppWidgetProvider {
    private static final int DOUBLE_CLICK_DELAY = 500;
    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget);
        Intent intent = new Intent(context, getClass());
        intent.setAction("Click");
        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, 0);
        views.setOnClickPendingIntent(R.id.image, pendingIntent);
        appWidgetManager.updateAppWidget(appWidgetIds, views);
        context.getSharedPreferences("widget", 0).edit().putInt("clicks", 0).commit();
    }
    @Override
    public void onReceive(final Context context, Intent intent) {
        if (intent.getAction().equals("Click")) {
            int clickCount = context.getSharedPreferences("widget", Context.MODE_PRIVATE).getInt("clicks", 0);
            context.getSharedPreferences("widget", Context.MODE_PRIVATE).edit().putInt("clicks", ++clickCount).commit();
            final Handler handler = new Handler() {
                public void handleMessage(Message msg) {
                    int clickCount = context.getSharedPreferences("widget", Context.MODE_PRIVATE).getInt("clicks", 0);
                    if (clickCount > 1) Toast.makeText(context, "doubleClick", Toast.LENGTH_SHORT).show();
                    else Toast.makeText(context, "singleClick", Toast.LENGTH_SHORT).show();
                    context.getSharedPreferences("widget", Context.MODE_PRIVATE).edit().putInt("clicks", 0).commit();
                }
            };
            if (clickCount == 1) new Thread() {
                @Override
                public void run(){
                    try {
                        synchronized(this) { wait(DOUBLE_CLICK_DELAY); }
                        handler.sendEmptyMessage(0);
                    } catch(InterruptedException ex) {}
                }
            }.start();
        }
        super.onReceive(context, intent);
    }
    }
i get it from this answer