szokesandor / 000_Tutorial_button_click

Tutorial: adding button to an activity

Tutorial button click

Purpose

Tutorial: show how simle to program a button click

2016.10.02 by Szőke Sándor Android Studio version: 2.2 (September 15, 2016)

Steps needed:

• create application
• drag button onto layout
• add code to: class MainActivity
• attach code to button onClick: buttonOnClick

    public void buttonOnClick(View v)
    {
        Button button = (Button) v;
        ((Button) v).setText("Clicked");

    }

• place cursor after "(View v)" and press ALT+ENTER
• place cursor after "(Button)" and press ALT+ENTER
• exetute and click