![]() ![]() The major benefit here is Xamarin can allow you to share code between your iOS and Android app. One of the most popular options is Xamarin, a cross-platform framework that allows you to develop iOS, Android, OS X and Windows apps using C# and Visual Studio. However, this isn’t the only option-you can create iOS apps using a variety of languages and frameworks. Step 19 − You can play around with actions by selecting different events while creating the action.When creating iOS apps, developers typically turn to the languages and IDE provided by Apple: Objective-C / Swift and Xcode. Similarly, the IBAction links the UIButton with a method, which is called on the event touch up inside. Step 18 − From the above example, we can conclude that IBOutlet creates a reference to the UIElement (here for the UILabel). Step 17 − The label that we created have been changed by the action on the button. [myTitleLabel 15 − Let us now run the program by selecting the run button. Step 14 − Add a statement as shown below inside the above method. Step 13 − Select ViewController.m file, you'll find a method as shown below. Step 12 − Drop it and name it setTitleLabel. Step 11 − Similarly, to add an action, right click the Round rect button, select touch up inside and drag it below the curly braces. Click connect and the ibOutlet will be complete. Step 10 − Type the label name for the outlet, here we have used the label myTitleLabel. In case there are no curly braces in the file, add the ViewController before doing this. Step 9 − Drop in the ViewController.h in between the curly braces. Step 8 − Now, right click on the label and select, hold and drag the new referencing outlet as shown below. Step 7 − We will see two windows in our editor area in the center, one is ViewController.xib file and the other is ViewController.h. Step 6 − From the Editor Selector button in the workspace toolbar found on the top right corner as shown below. Step 5 − Let us add a Label and Round Rect Button to our view. Step 4 − You can drag and drop the UI elements to our view in our interface builder. Step 3 − Now, you can select the UI elements from the library pane in the right hand side of our window, which is shown below. Step 2 − Select the ViewController.xib file from the files in the navigator section. Step 1 − Let's use our First iPhone Application. ![]() These are related to the UI elements and we will explore them after knowing visually how to implement them. Actions and outlets in iOS are referred to as ibActions and ibOutlets respectively, where ib stands for interface builder. ![]()
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