Learn how to design the same system using POP.
- [Instructor] Now let's redesign our UI components…using a protocol oriented approach.…We start with defining our protocols first.…We're going to create dedicated protocols for…each feature set.…As a quick remark, we're going to follow…the swift naming guidelines.…Regarding protocol names, the rules are clear.…Protocols that describe what something is…should read as nouns.…For example collection.…Protocols that describe a capability should…be names using the suffixes able, ible, or ing.…
Like equatable or progress reporting.…Since our protocols describe capabilities,…we're going to use the second form.…Alright let's open up xcode and create a…playground project.…We need a playground.…Blank project is good.…And I'm going to call it protocol way.…Let's remove the unnecessary stuff.…
So let's create our first protocol.…I'm going to call it animatable.…It declares the only animation related…method that we're going to use.…That is called pulse.…It takes a duration argument of type time interval.…Next I provide the default implementation…
Author
Released
1/2/2018- Comparing object-oriented programming with protocol-oriented programming
- Methods and class-bound protocols
- Adopting a protocol
- Generics
- Declaring asynchronous behavior
- Preparing and implementing fallback logic
- Implementing an app using protocol-oriented programming
Skill Level Intermediate
Duration
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Introduction
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Welcome1m 3s
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1. Protocol-Oriented Programming
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The object-oriented way7m 28s
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POP vs. OO: The differences3m 50s
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2. Protocols
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What's a protocol?2m 29s
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Adopting a protocol1m 8s
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Polymorphism4m 12s
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Protocol inheritance4m 31s
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Protocol extensions4m 59s
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Protocol composition4m 23s
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3. Generics
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Why generics?1m 31s
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Generic types3m 15s
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Generics and protocols2m 48s
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Constrained associated types2m 51s
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4. Implement the Weather App Using POP
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Weather app design2m 54s
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Project overview1m 53s
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Presenting data4m 18s
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Fallback service3m 24s
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Implement fallback logic4m 3s
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Conclusion
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Next steps45s
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Video: The protocol-oriented approach