详解Android控件之DatePicker、TimePicker探究

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:orientation="vertical"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent">
  <DatePicker android:id="@+id/datePicker" 
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center_horizontal"/>
  <EditText android:id="@+id/dateEt"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:cursorVisible="false"
    android:editable="false"/>
  <TimePicker android:id="@+id/timePicker" 
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center_horizontal"/>
  <EditText android:id="@+id/timeEt"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:cursorVisible="false"
    android:editable="false"/>
</LinearLayout>

package com.ljq.activity;

import java.util.Calendar;

import android.app.Activity;
import android.os.Bundle;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.TimePicker;
import android.widget.DatePicker.OnDateChangedListener;
import android.widget.TimePicker.OnTimeChangedListener;

public class DpTpActivity extends Activity {
  private EditText dateEt=null;
  private EditText timeEt=null;
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    dateEt=(EditText)findViewById(R.id.dateEt);
    timeEt=(EditText)findViewById(R.id.timeEt);
    DatePicker datePicker=(DatePicker)findViewById(R.id.datePicker);
    TimePicker timePicker=(TimePicker)findViewById(R.id.timePicker);
    
    Calendar calendar=Calendar.getInstance();
    int year=calendar.get(Calendar.YEAR);
    int monthOfYear=calendar.get(Calendar.MONTH);
    int dayOfMonth=calendar.get(Calendar.DAY_OF_MONTH);
    datePicker.init(year, monthOfYear, dayOfMonth, new OnDateChangedListener(){

      public void onDateChanged(DatePicker view, int year,
          int monthOfYear, int dayOfMonth) {
        dateEt.setText("您选择的日期是："+year+"年"+(monthOfYear+1)+"月"+dayOfMonth+"日。");
      }
      
    });
    
    timePicker.setOnTimeChangedListener(new OnTimeChangedListener(){

      public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
        timeEt.setText("您选择的时间是："+hourOfDay+"时"+minute+"分。");
      }
      
    });
  }
}