我知道这个帖子已经老旧了,但是以防万一...
用户对象:
public class User{
private int _id;
private String _name;
public User(){
this._id = 0;
this._name = "";
}
public void setId(int id){
this._id = id;
}
public int getId(){
return this._id;
}
public void setName(String name){
this._name = name;
}
public String getName(){
return this._name;
}
}
自定义Spinner适配器(ArrayAdapter)
public class SpinAdapter extends ArrayAdapter<User>{
private Context context;
private User[] values;
public SpinAdapter(Context context, int textViewResourceId,
User[] values) {
super(context, textViewResourceId, values);
this.context = context;
this.values = values;
}
@Override
public int getCount(){
return values.length;
}
@Override
public User getItem(int position){
return values[position];
}
@Override
public long getItemId(int position){
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
TextView label = (TextView) super.getView(position, convertView, parent);
label.setTextColor(Color.BLACK);
label.setText(values[position].getName());
return label;
}
@Override
public View getDropDownView(int position, View convertView,
ViewGroup parent) {
TextView label = (TextView) super.getDropDownView(position, convertView, parent);
label.setTextColor(Color.BLACK);
label.setText(values[position].getName());
return label;
}
}
实现方式如下:
public class Main extends Activity {
private Spinner mySpinner;
private SpinAdapter adapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
User[] users = new User[2];
users[0] = new User();
users[0].setId(1);
users[0].setName("Joaquin");
users[1] = new User();
users[1].setId(2);
users[1].setName("Alberto");
adapter = new SpinAdapter(Main.this,
android.R.layout.simple_spinner_item,
users);
mySpinner = (Spinner) findViewById(R.id.miSpinner);
mySpinner.setAdapter(adapter);
mySpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> adapterView, View view,
int position, long id) {
User user = adapter.getItem(position);
Toast.makeText(Main.this, "ID: " + user.getId() + "\nName: " + user.getName(),
Toast.LENGTH_SHORT).show();
}
@Override
public void onNothingSelected(AdapterView<?> adapter) { }
});
}
}