Android-toast.java

public class AlertServices{
  
private static Toast toast;

public static void showToast(Context context, String message) {
      try {
           if (!toast.getView().isShown()) {
              toast = Toast.makeText(context, message, Toast.LENGTH_SHORT);
              toast.show();
           }
      } catch (Exception e) {
          toast = Toast.makeText(context,message,Toast.LENGTH_SHORT);
          toast.show();
      }
   }
}