Using Auto Layout feature developers can align UI controls for different devices, screen sizes and orientation. This reduces the code to be maintained and makes life easy for the developers. Auto Layout solves UI design issues by creating relationship between the UI elements. This follows constraint based layout system where you can define contraints for […]
Access Control in Swift
Swift like other programming languages provides option to restrict access to classes, functions, variables, structs, enums etc applying the required Access Control. These restrictions are based on each module, as per Apple documentation a module is defined as A module is a single unit of code distribution—a framework or application that is built and shipped as a […]
How to customize status bar in iOS
Status Bar appears at the top of your device displaying information such as battery left in your device and carrier details. The default style of status bar is black and looks as shown in the below screenshot. But if your screen designs are dark then you can change the status bar style to Light Content. […]
Tab Bar Controller with WebView
In this article, we will see step by step instruction on working of Tab Bar Controller, UIWebView and Activity Indicator by loading couple of web pages using UIWebView in two different Tabs. Tab Bar Controller Tab Bar Controller is used for organizing list of View Controllers by having seperate tabs for each View Controller. Check […]
Add annotations and Polyline to MapView in Swift
In this article, we will see the instructions for adding annotation to MapView, Draw Polylines and Zoom to a region in Swift. Let us see this by adding stations to a Map for Chennai subrban trains and connect these stations using Map Overlay. Project Setup Create a new project by selecting Single View Application […]
Navigation Controller in iOS
Navigation contollers are quite commonly used in iOS App. Navigation Controllers contain stack of view controllers and provide a drill down approach for accessing the child view controllers. The top bar in a navigation controller is called the navigation bar which normally contains the title of the screen. The navigation bar in child View Controller […]
Storyboard, Scene and Segue
Storyboard in iOS is helps you to design the user interface of your App. A storyboard can contain one or more Scenes (View Controllers) and the connection or relationship between two scenes are known as Segue. This is how a typical storyboard with Scenes and Segue look. The above example storyboard contains two scenes, first […]
Swift Demo – Add Progress Bar
In this short tutorial, we will see the steps required to add UIProgressView to a Swift IOS Project. UIProgressView and UILabel showing the current progress will be added programmatically to the View Controller. Create a Single View Application and navigate to ViewController.swift file. Add UIProgressView and UILabel Add the following code snippet below the class […]