时间控件

<?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:gravity="center" android:text="欢迎关注Andy.Chen Blog" /> 

    <TextView 

       android:layout_width="fill_parent" android:layout_height="wrap_content" 

       android:gravity="center" android:text="日期和时间控件的使用DEMO" />  

  

    <LinearLayout android:orientation="horizontal"  

       android:layout_width="fill_parent" android:layout_height="wrap_content">  



       <EditText android:id="@+id/showdate" android:layout_width="fill_parent"  

           android:layout_height="wrap_content" android:layout_weight="1"/>  

       <Button android:id="@+id/pickdate" android:layout_width="wrap_content"  

           android:layout_height="wrap_content" android:text="选择日期"/>  

  

    </LinearLayout> 

    

    <LinearLayout android:orientation="horizontal"  

       android:layout_width="fill_parent" android:layout_height="wrap_content">  



       <EditText android:id="@+id/showtime" android:layout_width="fill_parent"  

           android:layout_height="wrap_content" android:layout_weight="1"/>  

       <Button android:id="@+id/picktime" android:layout_width="wrap_content"  

           android:layout_height="wrap_content" android:text="选择时间"/>  

  

    </LinearLayout> 

</LinearLayout>

主代码.java

package com.xmb.test1;

import java.util.Calendar;



import android.app.Activity;

import android.app.DatePickerDialog;

import android.app.Dialog;

import android.app.TimePickerDialog;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.view.View;

import android.widget.Button;

import android.widget.DatePicker;

import android.widget.EditText;

import android.widget.TimePicker;



public class TimeViewMain extends Activity {

        

        private EditText showDate = null;

        private Button pickDate = null;

        private EditText showTime = null;

        private Button pickTime = null;

        

        private static final int SHOW_DATAPICK = 0; 

    private static final int DATE_DIALOG_ID = 1;  

    private static final int SHOW_TIMEPICK = 2;

    private static final int TIME_DIALOG_ID = 3;

    

    private int mYear;  

    private int mMonth;

    private int mDay; 

    private int mHour;

    private int mMinute;

        

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        

        initializeViews();

        

        final Calendar c = Calendar.getInstance();

        mYear = c.get(Calendar.YEAR);  

        mMonth = c.get(Calendar.MONTH);  

        mDay = c.get(Calendar.DAY_OF_MONTH);

        

        mHour = c.get(Calendar.HOUR_OF_DAY);

        mMinute = c.get(Calendar.MINUTE);

        

        setDateTime(); 

        setTimeOfDay();

    }

    

    /**

     * 初始化控件和UI视图

     */

    private void initializeViews(){

        showDate = (EditText) findViewById(R.id.showdate);  

        pickDate = (Button) findViewById(R.id.pickdate); 

        showTime = (EditText)findViewById(R.id.showtime);

        pickTime = (Button)findViewById(R.id.picktime);

        

        pickDate.setOnClickListener(new View.OnClickListener() {

                        

                        @Override

                        public void onClick(View v) {

                   Message msg = new Message(); 

                   if (pickDate.equals((Button) v)) {  

                      msg.what = TimeViewMain.SHOW_DATAPICK;  

                   }  

                   TimeViewMain.this.dateandtimeHandler.sendMessage(msg); 

                        }

                });

        

        pickTime.setOnClickListener(new View.OnClickListener() {

                        

                        @Override

                        public void onClick(View v) {

                   Message msg = new Message(); 

                   if (pickTime.equals((Button) v)) {  

                      msg.what = TimeViewMain.SHOW_TIMEPICK;  

                   }  

                   TimeViewMain.this.dateandtimeHandler.sendMessage(msg); 

                        }

                });

    }



    /**

     * 设置日期

     */

        private void setDateTime(){

       final Calendar c = Calendar.getInstance();  

       

       mYear = c.get(Calendar.YEAR);  

       mMonth = c.get(Calendar.MONTH);  

       mDay = c.get(Calendar.DAY_OF_MONTH); 

  

       updateDateDisplay(); 

        }

        

        /**

         * 更新日期显示

         */

        private void updateDateDisplay(){

       showDate.setText(new StringBuilder().append(mYear).append("-")

                       .append((mMonth + 1) < 10 ? "0" + (mMonth + 1) : (mMonth + 1)).append("-")

               .append((mDay < 10) ? "0" + mDay : mDay)); 

        }

        

    /** 

     * 日期控件的事件 

     */  

    private DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() {  

  

       public void onDateSet(DatePicker view, int year, int monthOfYear,  

              int dayOfMonth) {  

           mYear = year;  

           mMonth = monthOfYear;  

           mDay = dayOfMonth;  



           updateDateDisplay();

       }  

    }; 

        

        /**

         * 设置时间

         */

        private void setTimeOfDay(){

           final Calendar c = Calendar.getInstance(); 

       mHour = c.get(Calendar.HOUR_OF_DAY);

       mMinute = c.get(Calendar.MINUTE);

       updateTimeDisplay();

        }

        

        /**

         * 更新时间显示

         */

        private void updateTimeDisplay(){

       showTime.setText(new StringBuilder().append(mHour).append(":")

               .append((mMinute < 10) ? "0" + mMinute : mMinute)); 

        }

    

    /**

     * 时间控件事件

     */

    private TimePickerDialog.OnTimeSetListener mTimeSetListener = new TimePickerDialog.OnTimeSetListener() {

                

                @Override

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

                        mHour = hourOfDay;

                        mMinute = minute;

                        

                        updateTimeDisplay();

                }

        };

    

    @Override  

    protected Dialog onCreateDialog(int id) {  

       switch (id) {  

       case DATE_DIALOG_ID:  

           return new DatePickerDialog(this, mDateSetListener, mYear, mMonth,  

                  mDay);

       case TIME_DIALOG_ID:

               return new TimePickerDialog(this, mTimeSetListener, mHour, mMinute, true);

       }

               

       return null;  

    }  

  

    @Override  

    protected void onPrepareDialog(int id, Dialog dialog) {  

       switch (id) {  

       case DATE_DIALOG_ID:  

           ((DatePickerDialog) dialog).updateDate(mYear, mMonth, mDay);  

           break;

       case TIME_DIALOG_ID:

               ((TimePickerDialog) dialog).updateTime(mHour, mMinute);

               break;

       }

    }  

  

    /** 

     * 处理日期和时间控件的Handler 

     */  

    Handler dateandtimeHandler = new Handler() {

  

       @Override  

       public void handleMessage(Message msg) {  

           switch (msg.what) {  

           case TimeViewMain.SHOW_DATAPICK:  

               showDialog(DATE_DIALOG_ID);  

               break; 

           case TimeViewMain.SHOW_TIMEPICK:

                   showDialog(TIME_DIALOG_ID);

                   break;

           }  

       }  

  

    }; 

    

}