android入门 alertDialog、progressDialog datepickerdialog、timepickerdialog

package com.zte.android.lession;

import java.util.Calendar;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.app.ProgressDialog;
import android.app.TimePickerDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TimePicker;

public class Activity_010_Dialog extends Activity 
{
	private Button alertBtn01 , alertBtn02 , progressBtn , 
				   datepickerBtn , timepickerBtn ;
	
    /** Called when the activity is first created.
     *	分别展示alertDialog、progressDialog、
     *	datepickerdialog、timepickerdialog
    */
    @Override
    public void onCreate(Bundle savedInstanceState) 
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_010_dialog_layout);
        
        //初始化button
        alertBtn01 = (Button)findViewById(R.id.l010_button1);
        alertBtn02 = (Button)findViewById(R.id.l010_button2);
        progressBtn = (Button)findViewById(R.id.l010_button3);
        datepickerBtn = (Button)findViewById(R.id.l010_button4);
        timepickerBtn = (Button)findViewById(R.id.l010_button5);
        //设置监听器
        alertBtn01.setOnClickListener(alertBtn01Listener);
        alertBtn02.setOnClickListener(alertBtn02Listener);
        progressBtn.setOnClickListener(progressBtnListener);
        datepickerBtn.setOnClickListener(datepickerBtnListener);
        timepickerBtn.setOnClickListener(timepickerBtnListener);
    }
    //alertDialog_01
    private OnClickListener alertBtn01Listener = new OnClickListener() 
    {
		public void onClick(View v) {
			//创建AlertDialog.Builder
			AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(Activity_010_Dialog.this);
			//通过alertDialogBuilder初始化alertdialog
			alertDialogBuilder.setIcon(R.drawable.ic_launcher);
			alertDialogBuilder.setTitle("alertDialogTitle01");
			alertDialogBuilder.setMessage("alertDialogMessage01");
			//初始化 取消、是、否 — 按钮
			alertDialogBuilder.setNegativeButton("negative_no", closeDialogListener);
			alertDialogBuilder.setPositiveButton("positive_yes", closeDialogListener);
			alertDialogBuilder.setNeutralButton("neutral_canncel", closeDialogListener);
			//create - show 
			alertDialogBuilder.create();
			alertDialogBuilder.show();
		}
	};
	//alertDialog_02
    private OnClickListener alertBtn02Listener = new OnClickListener() 
    {
		public void onClick(View v) {
			//创建AlertDialog.Builder
			AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(Activity_010_Dialog.this);
			//通过alertDialogBuilder获取alertdialog
			AlertDialog alertDialog = alertDialogBuilder.create();
			alertDialog.setIcon(R.drawable.ic_launcher);
			alertDialog.setTitle("alertDialogTitle02");
			alertDialog.setMessage("alertDialogMessage02");
			//初始化 取消、是、否 — 按钮
			alertDialog.setButton(AlertDialog.BUTTON_NEGATIVE,"NEGATIVE", closeDialogListener);
			alertDialog.setButton(AlertDialog.BUTTON_POSITIVE,"POSITIVE", closeDialogListener);
			alertDialog.setButton(AlertDialog.BUTTON_NEUTRAL,"NEUTRAL", closeDialogListener);
			//show 
			alertDialog.show();
		}
	};
	//closeDialogListener
	final DialogInterface.OnClickListener closeDialogListener = new DialogInterface.OnClickListener() {
		public void onClick(DialogInterface dialog, int which) {
			// TODO Auto-generated method stub
			dialog.cancel();
		}
	};
	//progressBtnListener
	private OnClickListener progressBtnListener = new OnClickListener() {
		public void onClick(View v) {
			// TODO Auto-generated method stub
			ProgressDialog progressDialog = new ProgressDialog(Activity_010_Dialog.this);
			progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
			progressDialog.setMax(100);
			progressDialog.setTitle("progressDialogTitle");
			progressDialog.setMessage("progress dialog message ... ");
			progressDialog.setButton(ProgressDialog.BUTTON_NEGATIVE,"NEGATIVE", closeDialogListener);
			progressDialog.setButton(ProgressDialog.BUTTON_POSITIVE,"POSITIVE", closeDialogListener);
			progressDialog.setButton(ProgressDialog.BUTTON_NEUTRAL,"NEUTRAL", closeDialogListener);
			progressDialog.show();
			progressDialog.setProgress(50);
		}
	};
	//datepickerBtnListener
	private OnClickListener datepickerBtnListener = new OnClickListener() 
	{
		public void onClick(View v) 
		{
			Calendar c = Calendar.getInstance();
			DatePickerDialog datePickerDialog = new DatePickerDialog(Activity_010_Dialog.this,datePickerDialogCallBack, 
					c.get(Calendar.YEAR), c.get(Calendar.MONDAY),c.get(Calendar.DATE));
			datePickerDialog.setTitle("datepickerTitle");
			datePickerDialog.setMessage("datePickerDialog_message");
			
			datePickerDialog.setButton(DatePickerDialog.BUTTON_NEGATIVE,"NEGATIVE", closeDialogListener);
			datePickerDialog.setButton(DatePickerDialog.BUTTON_POSITIVE,"POSITIVE", closeDialogListener);
			datePickerDialog.setButton(DatePickerDialog.BUTTON_NEUTRAL,"NEUTRAL", closeDialogListener);

			datePickerDialog.show();
		}
	};
	
	final DatePickerDialog.OnDateSetListener datePickerDialogCallBack = new OnDateSetListener() {
		public void onDateSet(DatePicker view, int year, int monthOfYear,
				int dayOfMonth) {
			// TODO Auto-generated method stub
			view.updateDate(year, monthOfYear+1, dayOfMonth);
		}
	};
	
	//timepickerBtnListener
	private OnClickListener timepickerBtnListener = new OnClickListener() {
		public void onClick(View v) 
		{
			Calendar c = Calendar.getInstance();
			TimePickerDialog timePickerDialog =  new TimePickerDialog(Activity_010_Dialog.this, 
					timepickerBtnListenerCallBack, c.get(Calendar.HOUR_OF_DAY), c.get(Calendar.MINUTE), true);
			
			timePickerDialog.setTitle("timePickerDialogTitle");
			timePickerDialog.setMessage("timePickerDialog_message");
			
			timePickerDialog.setButton(TimePickerDialog.BUTTON_NEGATIVE,"NEGATIVE", closeDialogListener);
			timePickerDialog.setButton(TimePickerDialog.BUTTON_POSITIVE,"POSITIVE", closeDialogListener);
			timePickerDialog.setButton(TimePickerDialog.BUTTON_NEUTRAL,"NEUTRAL", closeDialogListener);

			timePickerDialog.show();
		}
	}; 
	final TimePickerDialog.OnTimeSetListener timepickerBtnListenerCallBack = new TimePickerDialog.OnTimeSetListener() {
		public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
			// TODO Auto-generated method stub
			view.setCurrentHour(hourOfDay);
			view.setCurrentMinute(minute);
		}
	};
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <Button
        android:id="@+id/l010_button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="警告对话框01" />

    <Button
        android:id="@+id/l010_button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="警告对话框02" />

    <Button
        android:id="@+id/l010_button3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="进度对话框" />

    <Button
        android:id="@+id/l010_button4"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="日期选择对话框" />

    <Button
        android:id="@+id/l010_button5"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="时间选择对话框" />

</LinearLayout>