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Introduction to iOS App Development
Anyone can be a programmer according to the document. The document discusses what is required to develop iOS apps including using a Mac, Xcode IDE, Objective-C programming language, and Apple's iOS operating system. It explains key iOS development concepts like the view controller lifecycle, MVC design pattern, storyboards and more. The document aims to provide an overview of iOS app development and requirements for anyone interested in becoming an iOS programmer.
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Introduction to iOS App Development
- 1. Anyone Can Bea Programmer Authored By: Priyanka Sharma Mobile App Developer Ameba Technologies Pvt.http://amebasop.comhttp://ameba.tech
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- 4. Today’s Menu ■ MobileApplication ■What is iOS ■ Features of iOS ■ Jailbreaking ■ What’s required for iOS app development. ■ Xcode. ■ Objective-C ■ LifeCycle ofApplication ■ Demo Application ■ Queries
- 5. What is Mobile Application MobileApplication, commonly referred as app, is type of application software designed for mobile device such as Smartphone or tablets.
- 6. What is iOS ■iOS is a mobile operating system created and developed by Apple. ■ Derived from OS X . ■ Originally designed for the iPhone but now supports iPod touch, iPad, AppleTV and Apple Watch. ■ Founded by Steve Jobs.
- 7. Some interesting Facts ■First ever iPhone was conceptualized in 1983. ■ The iPhone was originally called ‘Purple’. ■ As February, 2017 Apple'sApp Store contained more than 2.2 million iOS applications. ■ Current iOS version is 10 which is compatible with iPhone 5, iPad3, iPad mini2 & iPod touch 6th gen or higher.
- 8. Jail-Breaking ■ Has beenprone to numerous hackings by adding functions not supported by Apple ■ It is the process of removing software restrictions imposed by iOS, Apple operating system, on its devices including the iPhone, iPod touch, iPad, ■ The more the iOS has been updated, the fewer the jailbreaking incidences
- 9. What’s Required foriOS app development ■ Mac : Hardware machine with running latest version of OS X. ■ Xcode : IDE provided by apple. ■ Uses Objective-C
- 10. Objective-C ■ Object Orientedprogramming language. ■ Adds Smalltalk-style messaging to the C programming language. ■ Used by Apple forOS X and iOS operating system
- 11. X-Code ■ It’s anintegrated development environment. ■ It contains :- ■ s/w development tools. ■ built-in source code editor. ■ graphic user interface. ■ debugging tools ■ simulator ■ Stable release 8.3 released in March 2017
- 12. Simulator ■ Simulator allowsyou to test your app during the development process. ■ Installed as Xcode tools ■ It runs on Mac and behaves like a standard Mac app while simulating the functionalities of iPhone , iPad etc.
- 13. View Controller ■ UIViewControllersis specialized class for managing views. ■ For each full-screen view in the app there is usually a view controller class. ■ Two types of view controllers: – Content view controllers :- manage a discrete piece of your app’s content. Container view controllers :- collect information from other view controllers (known as child view controllers) and present it in a way that navigate or presents the content of those view controllers differently.
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- 15. Designing Pattern :MVC ■ It is a software design pattern. ■ Refers to three roles; the model, the view and the controller.
- 16. Designing Pattern :Delegate ■ As name suggest delegation is when one object in a program acts on behalf of other object. ■ The delegating object keeps a reference to other object –the delegate, and when requested it sends a message to it.
- 17. Singleton ■ One ofthe most used design pattern when developing for iOS. ■ Powerful way to share data between different parts of the code. ■ A singleton object provides a global point of access to the resources of its class.
- 18. Story-board ■ Storyboard helpsgraphically layout your app before you code it. ■ It offers similar functionality like xib/nibs ■ Because it has graphical representation that makes it easy to see the “flow” of application.
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