控件_DatePicker

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;

public class MainActivity extends Activity {
    private DatePicker datepicker;
    private Button button;
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        datepicker = (DatePicker) findViewById(R.id.datepicker);
        
        datepicker.updateDate(2013, 8, 11);//设置默认的时间，不设置默认的就是当前时间，8表示的是7月份，因为java中月份是从0开始的
        button = (Button) findViewById(R.id.button);
        button.setOnClickListener(new ButtonListener());
                
    }
    class ButtonListener implements OnClickListener{
        public void onClick(View v) {
            int year = datepicker.getYear();
            int month = datepicker.getMonth();
            int date = datepicker.getDayOfMonth();
            System.out.println("year="+year+",month="+month+",date="+date);
        }
        
    }

}

<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=".MainActivity" >

    
     <DatePicker
         android:id="@+id/datepicker"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         />
     
     <Button
         android:id="@+id/button"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_below="@id/datepicker"
         android:text="获取当前时间"
         />"

</RelativeLayout>