<LinearLayout 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:orientation="vertical">    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="选择购买本书的具体时间" />    <DatePicker        android:id="@+id/datePicker"        android:layout_width="wrap_content"        android:layout_height="200dp"         android:startYear="2000"        android:endYear="2015"        android:calendarViewShown="true"        android:spinnersShown="true"/>    <TimePicker        android:id="@+id/timePicker"        android:layout_width="wrap_content"        android:layout_height="100dp"        android:layout_gravity="center_horizontal" />    <EditText        android:id="@+id/show"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:inputType="none"        android:cursorVisible="false" /></LinearLayout>

package com.example.choosedata;import java.util.Calendar;import android.app.Activity;import android.os.Bundle;import android.widget.DatePicker;import android.widget.DatePicker.OnDateChangedListener;import android.widget.EditText;import android.widget.TimePicker;import android.widget.TimePicker.OnTimeChangedListener;public class MainActivity extends Activity {    private int year;    private int month;    private int day;    private int hour;    private int minute;        @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        DatePicker dataPicker=(DatePicker) findViewById(R.id.datePicker);        TimePicker timePicker=(TimePicker) findViewById(R.id.timePicker);        Calendar c=Calendar.getInstance();        year=c.get(Calendar.YEAR);        month=c.get(Calendar.MONTH);        day=c.get(Calendar.DAY_OF_MONTH);        hour=c.get(Calendar.HOUR);        minute=c.get(Calendar.MINUTE);        dataPicker.init(year, month, day,new OnDateChangedListener(){            @Override            public void onDateChanged(DatePicker view, int year,                    int monthOfYear, int dayOfMonth) {                MainActivity.this.year=year;                MainActivity.this.month=monthOfYear;                MainActivity.this.day=dayOfMonth;                showDate(year,month,day,hour,minute);            }                    });        timePicker.setOnTimeChangedListener(new OnTimeChangedListener(){            @Override            public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {                MainActivity.this.hour=hourOfDay;                MainActivity.this.minute=minute;                showDate(year,month,day,hour,minute);            }        });    }    private void showDate(int year, int month, int day, int hour,            int minute) {        EditText show=(EditText) findViewById(R.id.show);        show.setText("您的购买日期为"+year+"年"+(month+1)+"月"+day+"日"+hour+"时"+minute+"分");    }}