旋转器不起作用。这是我的代码:
public class second extends Activity{
Spinner spin;
String[] str;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.second);
spin = (Spinner) findViewById(R.id.spin);
str = new String[] {"bike","car"};
spin.setAdapter(new ArrayAdapter<CharSequence>(this, android.R.layout.simple_dropdown_item_1line, str));
spin.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> adapter, View view, int pos,
long id) {
// TODO Auto-generated method stub
String data= spin.getItemAtPosition(pos).toString();
Toast.makeText(second.this, data, Toast.LENGTH_SHORT).show();
}
});
}
}