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ECS 189E: Android and iOS fundamentals

Navigation + communication between viewControllers

Sam King, October 17th 2018

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Administrative

Last time: TableView

This time: Navigation

Next time (Monday): Closures

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Administrative

Video from last time and today will be up later today

Quiz topic: Protocols, delegates, high order functions, optionals

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Will try to post a practice quiz (no promises)

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Navigation concepts: child VC to do a task

Main VC

Child VC

Create

Update protocol

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Delegate

Delegate applies the update or not, is responsible for dismissing the child

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Navigation controller: a UI flow

Back stack with previous ViewControllers

Navigation controller to coordinate (managed by the framework

Current VC, can push itself and create a new VC, or pop to go back