Protocol in iOS

Protocol in iOS.

• Protocol is set of methods in Objective-C.
• Ex.You have a car project, Ok then tell me every car are same thing i.e wheel,doors,main body,mirror,color its a right well,so lets this all things gather in one i.e protocol

Creating iOS apps using under this categories

Creating iOS apps using under this categories

SDLC in iOS

1. Planing
2. Prototype
3. Design
4. Implementing and Testing
5. Delivering

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Navigation Controller in iOS

 Navigation Controller

Navigation Controller in iOS

• Navigation related functionalities can be implemented by using UINavigationController.
• Navigation it’s use for go next view to next and back.(just like linking).
• UINavigationController take the navigation text as a back button title otherwise by default is Back as a text.
• If u want first view to second view then recommended to use for PushViewController, it is always work on left to right and automatically back also.
• popVIewController what he doing he romove/close current view and returns the parrent view means return the one that pushed the current view).
• when we required to remove view then we need to go for popViewController option and it will handle automatically by the navigationController and it works towards right to left.
• when we are working with navigation related application by default UINavigationController will handles pop operation(view going back).

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