package com.lxt008;import java.util.Calendar;import com.lxt008.R;import android.app.Activity;import android.app.DatePickerDialog;import android.app.TimePickerDialog;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.DatePicker;import android.widget.TextView;import android.widget.TimePicker;public class Activity01 extends Activity{    TextView    m_TextView;    //声明DatePicker对象    DatePicker    m_DatePicker;    //声明TimePicker对象    TimePicker    m_TimePicker;    Button         m_dpButton;    Button         m_tpButton;    //java中的日历类    Calendar     c;    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState)    {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                c=Calendar.getInstance();                m_TextView= (TextView) findViewById(R.id.TextView01);        m_dpButton = (Button)findViewById(R.id.button1);        m_tpButton = (Button)findViewById(R.id.button2);                //获取DatePicker对象        m_DatePicker = (DatePicker) findViewById(R.id.DatePicker01);        //将日历初始化为当前系统时间，并设置其事件监听        m_DatePicker.init(c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH), new DatePicker.OnDateChangedListener() {            @Override            public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth)            {                //当日期更改时，在这里处理                //c.set(year, monthOfYear, dayOfMonth);            }        });        //获取TimePicker对象        m_TimePicker = (TimePicker) findViewById(R.id.TimePicker01);        //设置为24小时制显示        m_TimePicker.setIs24HourView(true);        //监听时间改变        m_TimePicker.setOnTimeChangedListener(new TimePicker.OnTimeChangedListener() {            @Override            public void onTimeChanged(TimePicker view, int hourOfDay, int minute)            {                //时间改变时处理                //c.set(year, month, day, hourOfDay, minute, second);            }        });                        m_dpButton.setOnClickListener(new Button.OnClickListener(){            public void onClick(View v)            {                new DatePickerDialog(Activity01.this,                    new DatePickerDialog.OnDateSetListener()                    {                        public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth)                        {                            //设置日历                        }                    },c.get(Calendar.YEAR), c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH)).show();            }        });                m_tpButton.setOnClickListener(new Button.OnClickListener() {            public void onClick(View v)            {                new TimePickerDialog(Activity01.this,                    new TimePickerDialog.OnTimeSetListener()                    {                        public void onTimeSet(TimePicker view, int hourOfDay,int minute)                        {                            //设置时间                        }                    },c.get(Calendar.HOUR_OF_DAY), c.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:id="@+id/TextView01"    android:layout_width="fill_parent"     android:layout_height="wrap_content"     android:text="@string/hello"    />    <DatePicker      android:id="@+id/DatePicker01"      android:layout_width="wrap_content"      android:layout_height="wrap_content"    >    </DatePicker>    <TimePicker      android:id="@+id/TimePicker01"      android:layout_width="wrap_content"      android:layout_height="wrap_content"    >    </TimePicker>    <Button      android:id="@+id/button1"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:text="设置日期"    >    </Button>    <Button      android:id="@+id/button2"      android:layout_width="wrap_content"      android:layout_height="wrap_content"      android:text="设置时间"    >    </Button></LinearLayout>