android 常用控件总结

android:layout_height="wrap_content"

android:layout_centerHorizontal="true"

/>

</LinearLayout>

public class Activity01 extends Activity{

private static final String[] string = { "O型", "A型", "B型", "AB型", "其他" };

private TextView m_TextView;

private Spinner m_Spinner;

private ArrayAdapter<String> adapter;

@Override

public void onCreate(Bundle savedInstanceState){

super.onCreate(savedInstanceState);

setContentView(yout.main);

m_TextView = (TextView) findViewById(R.id.TextView1);

m_Spinner = (Spinner) findViewById(R.id.Spinner1);

//将可选内容与ArrayAdapter连接

adapter = new ArrayAdapter<String>(this,

yout.simple_spinner_item, string);

//设置下拉列表的风格

adapter.setDropDownViewResource(yout.simple_spinner_dropdown_item);

//将adapter添加到m_Spinner中

m_Spinner.setAdapter(adapter);