<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

     xmlns:tools="http://schemas.android.com/tools"

     android:layout_width="match_parent"

     android:layout_height="match_parent"

     android:paddingBottom="@dimen/activity_vertical_margin"

     android:paddingLeft="@dimen/activity_horizontal_margin"

     android:paddingRight="@dimen/activity_horizontal_margin"

     android:paddingTop="@dimen/activity_vertical_margin"

     tools:context="com.example.s01_e16_time.MainActivity" >

     <!--

     <TimePicker

         android:id="@+id/firstTimePicker"

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:text="@string/hello_world" />

     <Button

         android:id="@+id/timeButton"

         android:layout_width="match_parent"

         android:layout_height="wrap_content"

         android:layout_below="@id/firstTimePicker"/>

     <DatePicker

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:id="@+id/firstDatePicker"/>

     <Button

         android:id="@+id/dateButton"

         android:layout_width="match_parent"

         android:layout_height="wrap_content"

         android:layout_below="@id/firstDatePicker"/>

         -->

     <AnalogClock

         android:layout_width="match_parent"

         android:layout_height="wrap_content"

         android:id="@+id/clockId"/>

 </RelativeLayout>

 @SuppressLint("NewApi")

 public class MainActivity extends ActionBarActivity {

     private TimePicker firstTimePikcer;

     private Button button;

     private Button dateButton;

     private DatePicker firstDatePicker;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

 //        firstTimePikcer = (TimePicker) findViewById(R.id.firstTimePicker);

 //        firstTimePikcer.setIs24HourView(true);

 //        firstTimePikcer.setOnTimeChangedListener(new TimeListener());

 //

 //        button = (Button) findViewById(R.id.timeButton);

 //        button.setOnClickListener(new ButtonListener());

 //        firstDatePicker = (DatePicker) findViewById(R.id.firstDatePicker);

 //        dateButton = (Button) findViewById(R.id.dateButton);

 //        dateButton.setOnClickListener(new DateButtonListener());

     }

     class TimeListener implements OnTimeChangedListener {

         @Override

         public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {

             System.out.println(hourOfDay+":"+minute);

         }

     }

     class ButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             int hour = firstTimePikcer.getCurrentHour();

             int minute = firstTimePikcer.getCurrentMinute();

             System.out.println(hour+"---"+minute);

         }

     }

     class DateButtonListener implements OnClickListener {

         @Override

         public void onClick(View v) {

             int y = firstDatePicker.getYear();

             int m = firstDatePicker.getMonth();

             int d = firstDatePicker.getDayOfMonth();

             System.out.println(y+"-"+m+"-"+d);

         }

     }