private Spinner spinner ;
private List<String> list ;
private ArrayAdapter<String> arrayAdapter ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super .onCreate(savedInstanceState);
setContentView(R.layout. activity_main );
spinner =(Spinner) findViewById(R.id. spinner1 );
list = new ArrayList<String>();
//NEW arrayAdapter适配器
arrayAdapter = new ArrayAdapter<String>( this ,android.R.layout. simple_spinner_dropdown_item , list );
//adapter设置下拉列表样式
arrayAdapter .setDropDownViewResource(android.R.layout. simple_spinner_dropdown_item );
spinner .setAdapter( arrayAdapter );
//设置监听器
spinner .setOnItemSelectedListener( new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {
}
});
}