public void showSnackBar (String myString, boolean longTime) {
        int duration = longTime? Snackbar.LENGTH_LONG : Snackbar.LENGTH_SHORT;
        Snackbar mySnackbar = Snackbar.make(thePhoto, myString, duration);
        View myView = mySnackbar.getView();

        //use "android.support.design.R.id.snackbar_text" instead of "com.google.android.material" if you are not using Androidx
        TextView myTextView = (TextView) myView.findViewById(com.google.android.material.R.id.snackbar_text);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1)
            myTextView.setTextAlignment(View.TEXT_ALIGNMENT_TEXT_START);
        else
            myTextView.setGravity(Gravity.RIGHT);

        mySnackbar.show();
    }