安卓学习第28课——DatePicker、TimePicker

<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");
    }

}