Android UI 之时间与日期控件

package com.android.liu.widget;

import java.util.Calendar;

import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TimePicker;
import android.widget.DatePicker.OnDateChangedListener;

import com.android.liu.R;

public class DateTimeActivity extends Activity {
 Button setData, setTime;
 DatePicker dp;
 TimePicker tp;
 Calendar calendar;

 @Override
 public void onCreate(Bundle inStateInstance) {
  super.onCreate(inStateInstance);
  setContentView(R.layout.datatime);
  
  calendar=Calendar.getInstance();
  
  setData=(Button) this.findViewById(R.id.setData);
  setTime=(Button) this.findViewById(R.id.setTime);
  
  dp=(DatePicker) this.findViewById(R.id.datapicket);
  tp=(TimePicker) this.findViewById(R.id.timepicker);
  
  dp.init(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), new OnDateChangedListener(){

   @Override
   public void onDateChanged(DatePicker arg0, int year, int month,
     int day) {
    // TODO Auto-generated method stub
    //当日期更改时在这里处理
   // calendar.set(year, month, day);
    
   }});
  
  tp.setIs24HourView(true);
  
  tp.setOnTimeChangedListener(new TimePicker.OnTimeChangedListener() {
   
   @Override
   public void onTimeChanged(TimePicker arg0, int arg1, int arg2) {
    // TODO Auto-generated method stub
    
    //当时间改变是在这里处理
    //calendar.set(year, month, day, hourOfDay, minute);
   }
  });
  
  
  
  //设置日期
  setData.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View arg0) {
    new DatePickerDialog(DateTimeActivity.this, new DatePickerDialog.OnDateSetListener() {
     
     @Override
     public void onDateSet(DatePicker arg0, int year, int month, int dayofmonth) {

      //设置日历
     }
    }, calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH)).show();
    
   }});
  
  
  //设置时间
  setTime.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View arg0) {

    new TimePickerDialog(DateTimeActivity.this, new TimePickerDialog.OnTimeSetListener() {
     
     @Override
     public void onTimeSet(TimePicker view, int hourofday, int minu) {

      //设置时间
     }
    }, calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), true).show();
    
   }});
  
 }
}

<?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">
 <TextView android:layout_width="fill_parent"
  android:layout_height="wrap_content" android:text="@string/hello" />

 <DatePicker android:id="@+id/datapicket"
  android:layout_width="wrap_content" android:layout_height="wrap_content" />

 <TimePicker android:id="@+id/timepicker"
  android:layout_width="wrap_content" android:layout_height="wrap_content" />

 <Button android:id="@+id/setData" android:layout_width="wrap_content"
  android:layout_height="wrap_content" android:text="设置日期"/>

 <Button android:id="@+id/setTime" android:layout_width="wrap_content"
  android:layout_height="wrap_content" android:text="设置时间"/>
</LinearLayout>