UI Android

package app.test;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TimePicker;
public class Test extends Activity {
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setTitle("TimePickerActivity");
    setContentView(R.layout.main);
    TimePicker tp = (TimePicker) this.findViewById(R.id.time_picker);
    tp.setIs24HourView(true);
  }
}
//main.xml

  android:orientation="vertical" android:layout_width="fill_parent"
  android:layout_height="wrap_content">
 android:id="@+id/time_picker"
 android:layout_width="wrap_content"
 android:layout_height="wrap_content"/>