慕课网时间日期的显示源代码

慕课网时间日期的显示源代码

上图：

1. 新建一个main.xml文件代码如下：

<?xml version="1.0" encoding="UTF-8"?>
<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="com.example.datatimepicker.MainActivity" >

    <DatePicker
        android:id="@+id/datePicker"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <TimePicker
        android:id="@+id/timePicker"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_below="@+id/datePicker"
        android:layout_marginRight="16dp"
        android:layout_marginTop="158dp" />

</RelativeLayout>

1. 主方法的代码如下：

package com.example.datatimepicker;

import java.util.Calendar;

import android.support.v7.app.ActionBarActivity;
import android.app.DatePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.app.TimePickerDialog;
import android.app.TimePickerDialog.OnTimeSetListener;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.DatePicker;
import android.widget.DatePicker.OnDateChangedListener;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;

/*
 * 1.DataPicker对象时以init()这个方法来指定DataPicker初始的年月日以及
 * OnDataChangedListener()的事件；而TimePicker对象则是直接以setOnTimeChangedListener()
 * 事件来处理时间改变时程序要做的操作。注意MONTH的书写是否要进行加一的操作
 * 2.DataPickerDialog与TimePickerDialog与前面这两种类型的对象最大的差别在于
 * DataPickerDialog与TimePickerDialog对象则是以弹出Dialog的方式来显示
 * */
@SuppressWarnings("unused")
public class MainActivity extends ActionBarActivity {
    private TimePicker timePicker ;
    private DatePicker datePicker ;
    private Calendar cal ;
    private int year ;
    private int month ;
    private int day ;
    private int hour ;
    private int minute ;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        //获取日历的一个对象
        cal = Calendar.getInstance() ;
        //获取年月日时分秒的信息
        year = cal.get(Calendar.YEAR);
        month = cal.get(Calendar.MONTH)+1;
        day = cal.get(Calendar.DAY_OF_MONTH);
        hour = cal.get(Calendar.HOUR_OF_DAY);
        minute = cal.get(Calendar.MINUTE);
        setTitle(year+"-"+month+"-"+day+"-"+hour+":"+minute);
        datePicker = (DatePicker) findViewById(R.id.datePicker);
        timePicker = (TimePicker) findViewById(R.id.timePicker) ;

        //datePicker初始化
        datePicker.init(year, cal.get(Calendar.MONTH), day, new OnDateChangedListener() {

            @Override
            public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                // TODO Auto-generated method stub
                setTitle(year+"-"+(monthOfYear+1)+"-"+dayOfMonth);

            }
        });

        timePicker.setOnTimeChangedListener(new OnTimeChangedListener() {

            @Override
            public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
                setTitle(hourOfDay+":"+minute) ;

            }
        });

//        new DatePickerDialog(this, new OnDateSetListener() {
//          
//          @Override
//          public void onDateSet(DatePicker view, int year, int monthOfYear,
//                  int dayOfMonth) {
//              // TODO Auto-generated method stub
//              setTitle(year+"-"+(monthOfYear+1)+"-"+dayOfMonth);
//              
//          }
//      }, year, cal.get(Calendar.MONTH), day).show() ;

        new TimePickerDialog(this, new OnTimeSetListener() {

            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                // TODO Auto-generated method stub
                setTitle(hourOfDay+":"+minute) ;

            }
        }, hour, minute, true).show();
        }
}

代码中有相关说明，以及注意事项，本文摘自慕课网--高级控件显示。

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℃江