android时间日期选择器，监听

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<LinearLayout 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"    android:orientation="vertical"    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" >    <DatePicker        android:id="@+id/datePicker1"        android:layout_width="wrap_content"        android:layout_height="wrap_content" />    <EditText        android:id="@+id/editText2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:ems="10" />        </LinearLayout>

package com.example.text;import java.util.Calendar;import android.os.Bundle;import android.app.Activity;import android.view.Menu;import android.widget.DatePicker;import android.widget.DatePicker.OnDateChangedListener;import android.widget.EditText;public class MainActivity extends Activity {private int year;private int month;private int day;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);DatePicker datePicker = (DatePicker)findViewById(R.id.datePicker1);Calendar c = Calendar.getInstance();year = c.get(Calendar.YEAR);month = c.get(Calendar.MONTH);day = c.get(Calendar.DAY_OF_MONTH);datePicker.init(year, month, day, new onDateChangedListener());}@Overridepublic 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;}private final class onDateChangedListener implements OnDateChangedListener {@Overridepublic void onDateChanged(DatePicker arg0, int year, int month, int day) {showdate(year,month,day);}}private void showdate(int year, int month, int day) {// TODO 自动生成的方法存根EditText editText = (EditText)findViewById(R.id.editText2);editText.setText("当前时间是"+year+"年"+month+"月"+day+"日");}}

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