主程序
[java]
package com.example.mypicker;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.SimpleTimeZone;

import android.os.Bundle;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.view.Menu;
import android.widget.DatePicker;
import android.widget.TimePicker;
import android.widget.Toast;

public class MainActivity extends Activity {
TimePicker timePicker;
DatePicker datePicker;

int hour,minute;
int yr,month,day;

static final int TIME_DIALOG_ID = 0;
static final int DATE_DIALOG_ID = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

timePicker = (TimePicker) findViewById(R.id.timePicker);
timePicker.setIs24HourView(true);

datePicker = (DatePicker) findViewById(R.id.datePicker);

Calendar today = (Calendar) Calendar.getInstance();
yr = today.get(Calendar.YEAR);
month = today.get(Calendar.MONTH);
day = today.get(Calendar.DAY_OF_MONTH);

showDialog(DATE_DIALOG_ID);
}

@Override
protected Dialog onCreateDialog(int id) {
// TODO Auto-generated method stub
switch(id){
case TIME_DIALOG_ID:
return new TimePickerDialog(this, mTimeSetListener, hour, minute, false);
case DATE_DIALOG_ID:
return new DatePickerDialog(this, mDateSetListener, yr, month, day);
}
return null;
}

private DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() {

@Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
yr = year;
month = monthOfYear;
day = dayOfMonth;
Toast.makeText(getBaseContext(), "You Have Select:" + (month +1) + "/" + day + "/" + year, Toast.LENGTH_LONG).show();

}
};

private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener() {

@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minuteOfHour) {
// TODO Auto-generated method stub
hour = hourOfDay;
minute = minuteOfHour;

SimpleDateFormat timeFormat = new SimpleDateFormat("hh:mm aa");
Date date = new Date(0, 0, 0, hour, minute);
String strDate = timeFormat.format(date);

Toast.makeText(getBaseContext(), "You Have Select: " + strDate, Toast.LENGTH_LONG).show();
}
};

public void onClick(){
Toast.makeText(getBaseContext(), "Date Select " + (datePicker.getMonth() + 1) + "/" + datePicker.getDayOfMonth() + "/" + datePicker.getYear() + "\n"
+ "Time Select " + timePicker.getCurrentHour() + ":" + timePicker.getCurrentMinute(), Toast.LENGTH_LONG).show();
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}
[/java]
布局文件
[xml]
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >

<Button android:id="@+id/btnSet"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="I am all set!"
android:onClick="onClick" />

<DatePicker android:id="@+id/datePicker"
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" />

</LinearLayout>
[/xml]
效果图