method:getCount ( )
return type:int
content:ใช้คืนค่า จำนวน item ทั้งหมดที่ Object Spinner มี
example:public class AndroidBamboo extends Activity
{
public void onCreate( Bundle savedInstanceState )
{
super.onCreate ( savedInstanceState );
Spinner spinner = new Spinner ( this );
spinner.setPromptId ( R.string.welcome );
String [ ] items = { "bam", "boo", "lab", "code", "programming", "framework", "android" };
ArrayAdapter array_adapter = new ArrayAdapter <String> ( this, android.R.layout.simple_spinner_item, items );
array_adapter.setDropDownViewResource ( android.R.layout.simple_spinner_dropdown_item );
spinner.setAdapter ( array_adapter );
spinner.setPrompt ( "Welcome to BambooLabCode" );
int num_item = spinner.getCount ( );
setContentView ( spinner );
}
}
