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项目作者： DavidSReich

项目描述 ：
SwiftUI + Combined
高级语言： Swift
项目地址: git://github.com/DavidSReich/SwiftUICombined.git
创建时间： 2020-04-21T09:32:38Z
项目社区：https://github.com/DavidSReich/SwiftUICombined
开源协议：MIT License
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SwiftUICombined

What is SwiftUICombined?

It’s SwiftUIReference meets Combine.
SwiftUIReference is GiphyTags meets SwiftUI.

This is a SwiftUI reference app based upon GiphyTags and then updated with Combine.

It is written in Swift 5 and Xcode Version 11.4.1 (11E503a)

Overview

This app queries the GIPHY website via its URL API interface, and uses the tags returned to search deeper and deeper.
(This isn’t necessarily a good thing!)
To use the app you will need to get an API key from https://developers.giphy.com/dashboard/?create=true.
The app can open the Giphy website and take you there.

SwiftUICombined changes

Dropped Alamofire and RxSwift.
Networking uses URLSession.dataTaskPublisher and uses AnyPublisher<> for most networking objects.
The SolitaryViewModel is now an ObservableObject for slightly more efficient integration with SwiftUI.

SwiftUI

The main full screen view uses:

  • A view model (MVVM)
  • Loading activity indicator
  • Alert views
  • Navigation bar items that vary with changes in the view model
  • Sheet views to present modal views - which interact with the view model
  • Navigation to a detail view.
    • Master-detail was not implmented because it has selection and detail view update problems on iPads and landscape iPhones when the data changes.

Additional large views

  • A SwiftUI launch screen view
  • A detail view
  • A settings view - displayed as a sheet
  • A multiple selection view - displayed as a sheet

UIKit wrappers

  • UIViewRepresentable wrapper around UIActivityIndicatorView
  • UIViewRepresentable wrapper around UIImageView

Combine

  • ObservableObject and ObservedObject
  • Publishers

Extensions

  • Generic Data extensions for both Result<> and AnyPublisher<>

    • func decodeData<T: Decodable>() *> Result<T, ReferenceError>
    • func decodeData<T: Decodable>() *> AnyPublisher<T, ReferenceError>

  • HTTPURLResponse extension

    • HTTPURLResponse.validateData(Data, URLResponse, ...) *> AnyPublisher<Data, ReferenceError>

Networking

  • NetworkService.getDataPublisher() *> AnyPublisher<Data, ReferenceError>
    • using URLSession.dataTaskPublisher