New method in MainActivity.java

/**
 * This method displays the given text on the screen.
 */
private void displayMessage(String message) {
    TextView priceTextView = (TextView) findViewById(R.id.price_text_view);
    priceTextView.setText(message);
}

Vitnere

        /*tested on google inbox, gmail, viber,
         samsung stack sms app, google keep,
         facebook litle, hangouts, google translate*/
         
        Intent intent2 = new Intent();
        intent2.setAction(Intent.ACTION_SEND);
        intent2.setType("text/plain");
        intent2.putExtra(Intent.EXTRA_SUBJECT, "Coffee order");
        intent2.putExtra(Intent.EXTRA_TEXT, priceMessage);

Vitnere

Context context = getApplicationContext();
            CharSequence text = "Minimum is 1 coffee!";
            int duration = Toast.LENGTH_SHORT;

            Toast toast = Toast.makeText(context, text, duration);
            toast.show();