Tomson Xu

access following linkhttp://maps.google.com/maps/api/directions/json?origin=shatin,hk&destination=mongkok,hk&sensor=false你会看到在"html_instruction" tag里有类似下列的字样走\u003cb\u003e沙田坳道\u003c/b\u003e

http://googlemobile.blogspot.com/2011/11/go-indoors-with-google-maps-60-for.htmlhttp://www.youtube.com/watch?v=XZmjryh9glEhttp://googleblog.blogspot.com/2011/11/new-frontier-for-google-maps-mapp

http://stackoverflow.com/questions/5789223/how-do-i-get-the-resources-folder-back-in-xcode-4

在storyboard选中label控件，在属性窗口里设置"lines"属性为2,然后在"Text"属性里输入string，换行时按ctrl + enter

http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview

http://www.cnblogs.com/Gaojiecai/archive/2011/12/10/2283156.html

一句话：iOS里的 viewComponent.delegate = self;相当于java里的button.addActionListener(this);delegate examplehttp://blog.youkuaiyun.com/zhanglei5415/article/details/6133852

app生命周期的官方文档  http://developer.apple.com/library/ios/#documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/ManagingYourApplicationsFlow/ManagingYourApplicationsFlow.htmlViewController的生命

"Block"是很有用的东东，它实际上就是一个Closure，类似于javascript的closure, java中的匿名listener等。参看http://blog.sina.com.cn/s/blog_67419c420100vl8b.htmlhttp://hechien.posterous.com/block-in-objective-c-20http:/

http://developer.apple.com/library/ios/#DOCUMENTATION/Xcode/Conceptual/ios_development_workflow/00-About_the_iOS_Application_Development_Workflow/introduction.html#//apple_ref/doc/uid/TP40007959-CH1-S

下面是把app放到web site，让其他人通过Over the Air (OTA)下载安装的步骤。前提： 能安装app的device需要被包含在你的provisioning profile里Environment: iOS 5.0 + xcode 4.3ref link: https://help.apple.com/iosdeployment-apps/?lang=

注意：对于iOS 5的ARC特性来说，两个方法是等价的，不会有memory leak的问题！（ref link: http://stackoverflow.com/questions/7960912/stringwithformat-vs-initwithformat-under-arc)下面文字的参看文档：http://www.cnblogs.com/yjmyzz/archive

notification有3种方案：轮询 （poll）长连接 (socket or http: comet)push notification (c2dm for android, apple notification server foriPhone, 2者的原理是一样的：push server -> apn -> iPhone -> app installed iniP

NSString* str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];

httpclient与webview需要进行cookie 共享，因为如果不共享，那么假设你在httpclient进行了登录，然后用webview里打开那些login之后才能看的page，就会叫你再loginDefaultHttpClient httpclient=....;String toUrl="https://cap.cityu.edu.hk/studentlan/deta

有时你希望在你的app里对一些创建好的object进行共享，例如httpClient object, login flag variable。你当然可以用static or Singleton pattern来实现共享，但最好的方法就是创建一个custom Application class，然后把你要共享的object放在这个class里。这个class instance存在于你的a

http://www.vogella.de/articles/AndroidListView/article.htmlhttp://chning2010.iteye.com/blog/605588http://w2davids.wordpress.com/android-listview-with-iconsimages-and-sharks-with-lasers/http:

I choose "htmlcleaner" parser because its size is smallanother alternative option is "jsoup"

android map app by using google map javascript api(solution: communication between html javascript and android app native code)http://code.google.com/intl/zh-TW/apis/maps/articles/android_v3.h

Android UI操作并不是线程安全的, UI操作必须在UI线程中执行，也就是说你不能在自己另起的一个thread里进行UI操作。举个例子，下列代码是希望在自定义的thread中修改Activity里的button name。ThreadHandlerDemoActivity.javapublic class ThreadHandlerDemoActivity extends Act

typedef与#define的区别。http://www.sf.org.cn/article/base/200608/18988.html#define 是宏定义，所谓的宏定义，就是将某段代码、地址、字符串等一串的文字，用一个宏来代替。#define是一种预处理。#define与typedef功能类似，但它除了定义数据类型外，还可以定义给变量、语句等等定义，还可以包含参数

https://developer.apple.com/library/ios/#samplecode/Reachability/Introduction/Intro.htmlhttp://www.raddonline.com/blogs/geek-journal/iphone-sdk-testing-network-reachability/http://ww

有几种方法some developers recommend use singleton patter (ref link http://blog.youkuaiyun.com/kmyhy/article/details/7026511)方法1：使用静态变量 (不推荐）方法2： 使用singleton pattern (ref link: http://nice.iteye.com/blog/

* 如何添加 a new file to your project? 首先highlight the group you want to add the file to (usually the project code group)，然后点击Xcode左下角的 + button* 如果添加一个existing file to your project? 只需要drag existing fi

Storyboard tutorialhttp://maniacdev.com/ios-5-sdk-tutorial-and-guide/xcode-4-storyboard/http://www.raywenderlich.com/5138/beginning-storyboards-in-ios-5-part-1http://www.raywenderlich.co

2种方法：方法1：使用NSLog，相当于system.out.println，运行时输出信息会出现在console里http://xubenyang.me/413http://xubenyang.me/416不过要注意：NSLog是很耗系统资源的，因此我们必须保证在debug mode时使用NSLog,而在正式发布时能够屏蔽它。方案如下http://www.cocoac

http://android.blog.51cto.com/268543/333769

*XCode、Objective-C、Cocoa是什么？XCode：IDE, 象eclipse, visual studio.Objective-C：编程语言.Cocoa：是一大堆函数库，就好像MFC、.NET、Swing这类玩意，人家已经写好了一堆现成的东西，你只要知道怎么用就可以了。*Objective-C的一些语法的注意点注意点一：我在程序中看到大

http://www.cnblogs.com/hdjjun/archive/2010/06/02/1749864.htmlhttp://ozzysun.blogspot.com/2010/10/android-intent-filter-intent.html

ref links:api document: http://developer.android.com/reference/android/net/wifi/p2p/package-summary.htmldemo: http://developer.android.com/resources/samples/WiFiDirectDemo/index.htmlOverview

android p2p wifi package (use wifi direct)http://developer.android.com/reference/android/net/wifi/p2p/package-summary.htmlwifi direct demohttp://developer.android.com/resources/samples/WiFiDirec

http://android.blog.51cto.com/268543/323982http://hatsukiakio.blogspot.com/2009/06/startactivitystartactivityforresult.htmlhttp://www.moke.tw/wordpress/computer/advanced/231

如何申請Google Map API Key (模擬器用)参考文档: http://wangshifuola.blogspot.com/2010/12/androidgoogle-map-api-key.htmlstep 1: 找到android key store file的path: in eclipse, access "Windows > Preferences > A

google map direction api只开放3种travel mode (driving, walk, bicycle)，并没有开放travel mode "大眾運輸"。因此无法获取大众运输的route。ref links:http://maps.google.com.hk/intl/zh-TW/landing/transit/text.html#ymdhttp://

solution 1: use google map javascript api + webview compenent优点：1. 所有对地图的操作都写在html page的javascript代码里，android side的app只是使用webview控件来当成一个web browser来显示。由于android app的java代码可以调用webview里的html page里的j

1. install eclipse2. install ADT plugin http://developer.android.com/sdk/eclipse-adt.html#installing3. Update/install android sdk "eclipse > window > android sdk manager", install android version

在网上查了下，多数使用下列代码： private String getLocalIpAddress() { try { for (Enumeration en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) { NetworkInterface intf

json的介绍和格式参看 http://blog.youkuaiyun.com/totogogo/article/details/3766163iOS 5之前是使用open source lib: JSONKit (https://github.com/johnezang/JSONKit)iOS 5提供了NSJSONSerialization。NSJSONSerializa

官方文档http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/ObjectiveC/Chapters/ocStaticBehavior.html#//apple_ref/doc/uid/TP30001163-CH16-SW1其他文档http://edwardinaction.blogspot

environment: Xcode 4.3 + iOS 5.0在navigation controller后添加table view controller (UITableViewController)，切换到该view时正常，但如果添加的是view controller (UIViewController)，那么切换到它时会黑屏。这是xcode 里 view controlle