Android入门之时间日期控件

效果图：

MainActivity.java

package com.jkxqj.helloandroid;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.DatePicker;

public class MainActivity extends Activity {

	private DatePicker datePicker;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		datePicker = (DatePicker)findViewById(R.id.firstDatePicker);
		datePicker.updateDate(2013, 8, 23);
	}

	class ButtonListener implements OnClickListener{
		@Override
		public void onClick(View v) {
			int y = datePicker.getYear();
			int m = datePicker.getMonth();
			int d = datePicker.getDayOfMonth();
			System.out.println("y:" + y + ",m" + m + ",d:" + d);
		}

	}
	@Override
	public 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;
	}

}

activity_main.xml

<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" >

    <AnalogClock
        android:id="@+id/clock"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="64dp" />

    <DatePicker
        android:id="@+id/firstDatePicker"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/clock"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="17dp" />

</RelativeLayout>