学步园

android中的日期控件为：DatePicker，时间控件为TimePicker。通过指定两个监听器OnDateChangelistner和OnTimeChangeListner就可以监控这两个控件的改变，从而得到相应的时间。

<?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="选择您出生的具体时间"
	/>
<!-- 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>

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("您的出生日期为：" + year + "年" + (month+1) + "月"
			+ day + "日  " + hour + "时" + minute + "分");
	}	
}