Database Query,insert record,Update record,Delete record,Upload images in ios,Parse Api Login Form Ios/Iphone,AddressBookUI,Key SQLite Functions,Key SQLite Functions,Image Lodding,lazy Loding,Push Navigation,PassData,Send Post method,Get Method, Json,Xml,Animation,Protocols, Delegate, WebView,UIView, UITableView,Facebook Sharing ,Twittter Sharing , Using Local Notification,UIButton,UIBarButton,UINavigationBar,NSThread,OTP Password,AFNEtworking Post And Get Request,IOS 9 SessionDataTask.