http live stream video player,custom interface and preview in timeline.

contact

using nsoperation split txt into pages

using NSURLConnection and ASIHttpRequest to download images and show progress view

show polyline and polygons on mapview

grouped tableview demo

using FMDB to query the sqlite database.

using coredata and xmpp to create chat app

using AssetLibrary to read photos and videos.And create a multiimage picker controlle.

demo using all kinds of gestures

demo using scrollview and tableview

using notification to transmit infomation between viewcontrollers

using pangesture to paint on a view in different color.

all kinds of popover view,like UIPickerView,UIActionSheet and serveral custom popover view.

demo using scrollview

Custom Weather Annostatins on MKMapView

using Corelocation Framework to get the gps and heading information

using Corelocation Framework to get the gps and heading information

using address book framework to create a group-person app

using AVFoundation to play music in the resource directory

using CoreData to create group-person demo

demo app about animation move,rotate and scale.