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Introduction to MVVM
for iOS
Presented by Aditya Pradana
at Engineering Brownbag Session in Oneb1t
on Friday, December 18th 2015
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Typical iOS App MVC
Architecture
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Typical iOS App MVC
Architecture
Although views and view controllers are technically
distinct components, they almost always go hand-in-
hand together, paired
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MVC = Massive View
Controller ?
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What is MVVM?
MVVM (Model - View - ViewModel) is another
architectural paradigm for GUI applications
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iOS App MVVM Architecture
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MVVM Key Points
• MVVM is compatible with your existing MVC
architecture
• MVVM makes your apps more testable
• MVVM works best with a binding mechanism
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Example iOS MVC
Model
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Example iOS MVC
ViewController
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Example iOS MVVM
Model
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Example iOS MVVM
ViewModel
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Example iOS MVVM
ViewController
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Thank You