Event Handler Example

Temperature Converter: F to C• Objective:• To convert values of degrees Fahrenheit to Celcius

• Possible UI: labels (3); text box (1), button• UI• Activity/Listeners

F

C

Convert

Label

Text Box

Button

Event HandlersButton button1 = (Button)findViewById(R.id.button1);

button1.setOnClickListener (new Button.OnClickListener(){

public void onClick(View v){TextView text1=(TextView)findViewById(R.id.text1);text1.setText(“Well done!”);/** You can do other things here such as launch an Activity*

}}

);