学步园

效果图

main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/MyLayout"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/txt"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/mybut"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="设置时间" />

</LinearLayout>

package com.example.datapickerdialog;

import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.TimePicker;

public class MainActivity extends Activity {

	private Button mybut=null;//定义组件
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		this.mybut=(Button)super.findViewById(R.id.mybut);//取得组件
		this.mybut.setOnClickListener(new OnClickListenerImpl());//事件监听
	}
	public class OnClickListenerImpl implements OnClickListener{

		@Override
		public void onClick(View v) {
			// TODO 自动生成的方法存根
			Dialog dialog=new TimePickerDialog(MainActivity.this,//当前上下文
					new TimePickerDialog.OnTimeSetListener() {//事件监听
						
						@Override
						public void onTimeSet(TimePicker view, int hourOfDay, int minute) {//事件改变时触发
							// TODO 自动生成的方法存根
							TextView text=(TextView)findViewById(R.id.txt);//文本组件
							text.setText("时间为:"+hourOfDay+":"+minute);//设置文本
						}
					},19,20,true);//默认的时间
			
			dialog.show();
		}
	}

	@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;
	}

}