public class A07Activity extends Activity { private static final String[]week="sunday","monday","tuesday","wednesday","thursday","friday","saturday"}; private TextView tv; private ListView lv; private ArrayAdapter<String> aa; private LinearLayout ll;  /** Called when the activity is first created. */  @Override  public void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    tv=new TextView(this);    tv.setText(R.string.title);    tv.setTextColor(Color.RED);    lv=new ListView(this);    lv.setBackgroundColor(Color.GREEN);    ll=new LinearLayout(this);    ll.setOrientation(LinearLayout.VERTICAL);    ll.setBackgroundColor(android.graphics.Color.YELLOW);    aa=new ArrayAdapter<String>(A07Activity.this,R.layout.my_simple_list,week);    lv.setAdapter(aa);    LinearLayout.LayoutParams params01=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);    ll.addView(lv, params01);    LinearLayout.LayoutParams params02=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);    ll.addView(tv, params02);    setContentView(ll);    lv.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {  @Override  public void onItemSelected(AdapterView<?> arg0, View arg1,   int arg2, long arg3) {  // TODO Auto-generated method stub  tv.setText("你選擇的是："+arg0.getSelectedItem().toString());  }  @Override  public void onNothingSelected(AdapterView<?> arg0) {  // TODO Auto-generated method stub  } });  lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {  @Override  public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,   long arg3) {  // TODO Auto-generated method stub  tv.setText("你選擇的是："+week[arg2]);  } });  }}

<?xml version="1.0" encoding="utf-8"?><CheckedTextView   xmlns:android="http://schemas.android.com/apk/res/android"  android:id="@+id/myCheckedTextView1"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="vertical" />