效果和代码都非常直观：

实例1：TimePicker

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:paddingBottom="@dimen/activity_vertical_margin"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

tools:context=".MainActivity" >

android:id="@+id/timePic1"

android:layout_height="wrap_content"

android:layout_width="match_parent"/>

android:id="@+id/buttone1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_below="@id/timePic1"

android:text="获取TimePick时间"/>

package com.android.xiong.times;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.TimePicker;

import android.widget.TimePicker.OnTimeChangedListener;

public class MainActivity extends Activity {

private TimePicker timePick1;

private Button buttone1;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

timePick1=(TimePicker)findViewById(R.id.timePic1);

buttone1=(Button)findViewById(R.id.buttone1);

OnChangeListener buc=new OnChangeListener();

buttone1.setOnClickListener(buc);

//是否使用24小时制

timePick1.setIs24HourView(true);

TimeListener times=new TimeListener();

timePick1.setOnTimeChangedListener(times);

}

class OnChangeListener implements OnClickListener{

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

int h=timePick1.getCurrentHour();

int m=timePick1.getCurrentMinute();

System.out.println("h:"+h+" m:"+m);

}

}

class TimeListener implements OnTimeChangedListener{

/**

* view 当前选中TimePicker控件

* hourOfDay 当前控件选中TimePicker 的小时

* minute 当前选中控件TimePicker 的分钟

*/

@Override

public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {

// TODO Auto-generated method stub

System.out.println("h:"+ hourOfDay +" m:"+minute);

}

}

@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;

}

}

实例2：DatePicker

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:paddingBottom="@dimen/activity_vertical_margin"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

tools:context=".MainActivity" >

android:id="@+id/datePick1"

android:layout_height="wrap_content"

android:layout_width="match_parent"

/>

android:id="@+id/button1"

android:layout_below="@id/datePick1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:text="获取DatePicker的值"/>

package com.android.xiong.datepicker;

import android.os.Bundle;

import android.app.Activity;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.DatePicker;

public class MainActivity extends Activity {

private DatePicker datePicker1;

private Button button1;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

datePicker1=(DatePicker)findViewById(R.id.datePick1);

//设置默认的时间 比如2055年 9月9日

datePicker1.updateDate(2012, 8, 9);

button1=(Button)findViewById(R.id.button1);

OnClicLisers cl=new OnClicLisers();

button1.setOnClickListener(cl);

}

class OnClicLisers implements OnClickListener{

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

int y=datePicker1.getYear();

int m=datePicker1.getMonth()+1;

int d=datePicker1.getDayOfMonth();

System.out.println("y:"+y+" m:"+m+" d:"+d);

}

}

@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;

}

}