android中的日期和时间组件

日期组件：DatePicker和DatePickerDialog可以让用户以年、月、日的形式选择日期

时间组件：TimePickerDialog

案例：

<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"    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" >    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="显示日期" />    <Button        android:id="@+id/button1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentTop="true"        android:layout_centerHorizontal="true"        android:text="设置日期" />    <TextView        android:id="@+id/textView2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentLeft="true"        android:layout_below="@+id/button1"        android:layout_marginTop="46dp"        android:text="显示时间" />    <Button        android:id="@+id/button2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignBottom="@+id/textView2"        android:layout_alignRight="@+id/button1"        android:text="设置时间" /></RelativeLayout>

package com.csdn.highcompoment;import java.util.Calendar;import java.util.Date;import android.os.Bundle;import android.app.Activity;import android.app.DatePickerDialog;import android.app.TimePickerDialog;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.DatePicker;import android.widget.TextView;import android.widget.TimePicker;public class MainActivity extends Activity {private Button btn;private TextView text;//声明监听器对象DatePickerDialog.OnDateSetListener listener;private Button time;private TextView timeText;TimePickerDialog.OnTimeSetListener timeListener;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);//获取按钮btn=(Button) this.findViewById(R.id.button1);text=(TextView) this.findViewById(R.id.textView1);time=(Button) this.findViewById(R.id.button2);timeText=(TextView) this.findViewById(R.id.textView2);listener=new DatePickerDialog.OnDateSetListener(){@Overridepublic void onDateSet(DatePicker view, int year, int monthOfYear,int dayOfMonth) {text.setText(year+"-"+(monthOfYear+1)+"-"+dayOfMonth);}};timeListener=new TimePickerDialog.OnTimeSetListener(){@Overridepublic void onTimeSet(TimePicker view, int hourOfDay, int minute) {// TODO Auto-generated method stubtimeText.setText(hourOfDay+":"+minute);}};//添加事件   btn.setOnClickListener(new OnClickListener(){@Overridepublic void onClick(View arg0) {//显示当前日期Calendar calendar=Calendar.getInstance();calendar.setTime(new Date());new DatePickerDialog(MainActivity.this,listener,calendar.get(Calendar.YEAR),calendar.get(Calendar.MONTH),calendar.get(Calendar.DAY_OF_MONTH)).show();}});   time.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubCalendar calendar=Calendar.getInstance();calendar.setTime(new Date());new TimePickerDialog(MainActivity.this,timeListener,calendar.get(Calendar.HOUR_OF_DAY),calendar.get(Calendar.MINUTE),true).show();}});}@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;}}