DatePicker&TimePicker都是从FrameLayout派生而来,如果程序需要获取用户选择的日期、时间,可通过为DatePicker添加OnDateChangedListener进行监听、为TimePicker添加OnTimeChangedListener进行监听。
xml
<?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:layout_width="fill_parent" android:layout_height="wrap_content" android:text="选择购买本书的具体时间" /> <!-- 定义一个DatePicker组件 --> <DatePicker android:id="@+id/datePicker" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" /> <!-- 定义一个TimePicker组件 --> <TimePicker android:id="@+id/timePicker" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" /> <!-- 显示用户输入日期、时间的控件 --> <EditText android:id="@+id/show" android:layout_width="fill_parent" android:layout_height="wrap_content" android:editable="false" android:cursorVisible="false" /> </LinearLayout>
MainActivity
package org.crazyit.choosedate; import java.util.Calendar; import android.app.Activity; import android.os.Bundle; import android.widget.DatePicker; import android.widget.DatePicker.OnDateChangedListener; import android.widget.EditText; import android.widget.TimePicker; import android.widget.TimePicker.OnTimeChangedListener; /** * Description: * <br/>site: <a href="http://www.crazyit.org">crazyit.org</a> * <br/>Copyright (C), 2001-2012, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee [email protected] * @version 1.0 */ public class ChooseDate extends Activity { //定义5个记录当前时间的变量 private int year; private int month; private int day; private int hour; private int minute; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); DatePicker datePicker = (DatePicker)findViewById(R.id.datePicker); TimePicker timePicker = (TimePicker)findViewById(R.id.timePicker); //获取当前的年、月、日、小时、分钟 Calendar c = Calendar.getInstance(); year = c.get(Calendar.YEAR); month = c.get(Calendar.MONTH); day = c.get(Calendar.DAY_OF_MONTH); hour = c.get(Calendar.HOUR); minute = c.get(Calendar.MINUTE); //初始化DatePicker组件,初始化时指定监听器 datePicker.init(year , month ,day , new OnDateChangedListener() { @Override public void onDateChanged(DatePicker arg0, int year , int month, int day) { ChooseDate.this.year = year; ChooseDate.this.month = month; ChooseDate.this.day = day; //显示当前日期、时间 showDate(year, month , day , hour, minute); } }); //为TimePicker指定监听器 timePicker.setOnTimeChangedListener(new OnTimeChangedListener() { @Override public void onTimeChanged(TimePicker arg0, int hour, int minute) { ChooseDate.this.hour = hour; ChooseDate.this.minute = minute; //显示当前日期、时间 showDate(year, month , day , hour, minute); } }); } //定义在EditText中显示当前日期、时间的方法 private void showDate(int year, int month , int day , int hour , int minute) { EditText show = (EditText)findViewById(R.id.show); show.setText("您的购买日期为:" + year + "年" + month + "月" + day + "日 " + hour + "时" + minute + "分"); } }