Introduction on NULL Value in Variables causes crashes API (Application Program Interface) is a set of routines, protocols, and tools for developing mobile applications and other softwares. Basically, an API gives information how application components should communicate. And furter more, APIs are used when programming graphical user interface (GUI) components. Calling API is for data accessing from server and it collects data from server as … Read more

Introduction – Purpose of Checking Internet Connection of iOS Device During Mobile App building before integrating any feature first we thought about its circumstance or crashes it will gonna face and one of common issue is internet connection, let us suppose if our feature or third party library function calling or any other class is called which needs internet connection mandatory then if in case … Read more

Introduction On Keyboard appearing in Mobile App In iPhone or iPad, screen size limited but sometime our design of app becomes too large in comparison to their screen size, in those cases we use UIScrollView or UITableView or any other element as per our design requirements and make content scrollable or draggable thats how we consume small screen size to fit our design and yes … Read more

Introduction – Play Video On AVPlayer Media playing now days is most common and important functionality that every iOS App developer should know. Playing any media asset can be done by many methods like AVPlayer or WKWebView or etc. While in this tutorial we are going to learn how to play video through AVPlayer class and how to set video on centre mode. Overview For Video … Read more

Pull to Refresh in UiTableView with Animations: In UITableView we show cells linearly and can reload whole table view by calling one reload function of UITableView anywhere in your code as per you want on any button action or on any progress of method or in middle of any task. As you have seen in many apps that by pulling UITableView as can see reloading of … Read more