<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

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

    android:layout_width="match_parent"

    android:layout_height="match_parent" >

    <Button

        android:id="@+id/button01_time"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:onClick="showTimePickerDialog"

        android:text="@string/pick_time" />

    <Button

        android:id="@+id/btn_date"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_below="@id/button01_time"

        android:onClick="showDatePickerDialog"

        android:text="@string/pick_date" />

    <TextView

        android:id="@+id/tv_settime"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignBaseline="@+id/button01_time"

        android:layout_alignBottom="@+id/button01_time"

        android:layout_toRightOf="@+id/button01_time" />

    <TextView

        android:id="@+id/tv_setdate"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignBaseline="@+id/btn_date"

        android:layout_alignBottom="@+id/btn_date"

        android:layout_toRightOf="@+id/btn_date" />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>

<resources>

    <string name="app_name">Android_020</string>

    <string name="action_settings">Settings</string>

    <string name="hello_world">Hello world!</string>

    <string name="pick_time">时间设置</string>

    <string name="pick_date">日期设置</string>

    <string name="settime">时间==设置</string>

    <string name="setdate">日期==设置</string>

</resources>

package com.xrhou.android_020;

import java.util.Calendar;

import android.annotation.SuppressLint;

import android.app.Activity;

import android.app.DatePickerDialog;

import android.app.DatePickerDialog.OnDateSetListener;

import android.app.Dialog;

import android.app.DialogFragment;

import android.app.TimePickerDialog;

import android.app.TimePickerDialog.OnTimeSetListener;

import android.os.Bundle;

import android.text.format.DateFormat;

import android.view.Menu;

import android.view.View;

import android.widget.DatePicker;

import android.widget.TextView;

import android.widget.TimePicker;

/**

 * 时间日期选择对话框

 *

 * @author hbj403

 */

@SuppressLint("ValidFragment")

public class MainActivity extends Activity {

	private TextView tv_settime,tv_setdate;

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		tv_settime=(TextView) findViewById(R.id.tv_settime);

		tv_setdate=(TextView) findViewById(R.id.tv_setdate);

	}

	@Override

	public boolean onCreateOptionsMenu(Menu menu) {

		getMenuInflater().inflate(R.menu.main, menu);

		return true;

	}

	//时间选择器

	public void showTimePickerDialog(View view){

		TimeDialogMe tpf=new TimeDialogMe();

		tpf.show(getFragmentManager(), "showMyTime");

	}

	//日期选择器

	public void showDatePickerDialog(View view){

		DateDialogMe ddm=new DateDialogMe();

		ddm.show(getFragmentManager(), "showMyDatet");

	}

	//时间选择器

	class TimeDialogMe extends DialogFragment implements OnTimeSetListener {

		@Override

		public Dialog onCreateDialog(Bundle savedInstanceState) {

			final Calendar calendar=Calendar.getInstance();

			int hour=calendar.get(Calendar.HOUR_OF_DAY);

			int minute=calendar.get(Calendar.MINUTE);

			TimePickerDialog tpd=new TimePickerDialog(getActivity(), this, hour, minute, DateFormat.is24HourFormat(getActivity()));

			return tpd;

		}

		@Override

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

			tv_settime.setText(hourOfDay+":"+minute);

		}

	}

	//日期选择器

	class DateDialogMe extends DialogFragment implements OnDateSetListener{

		@Override

		public Dialog onCreateDialog(Bundle savedInstanceState) {

			final Calendar c=Calendar.getInstance();

			int year=c.get(Calendar.YEAR);

			int month=c.get(Calendar.MONTH); //Calendar的month对应的是0-11

			int day=c.get(Calendar.DAY_OF_MONTH);

			DatePickerDialog dpd=new DatePickerDialog(getActivity(), this, year, month, day);

			return dpd;

		}

		@Override

		public void onDateSet(DatePicker view, int year, int monthOfYear,int dayOfMonth) {

			tv_setdate.setText(year+"年"+(monthOfYear+1)+"月"+dayOfMonth+"日");

		}

	}

}