Added custom swift plugin

Summary: Our very own SeaMammal plugin for iOS written in swift

Reviewed By: passy

Differential Revision: D15199381

fbshipit-source-id: 10b085c314328ff52ae3f5feef51f70d0ce12f1b

iOS/Tutorial/Podfile

@@ -0,0 +1,60 @@
+project 'Tutorial.xcodeproj'
+swift_version = "4.1"
+flipperkit_version = '0.20.0'
+use_frameworks!
+
+target 'Tutorial' do
+  platform :ios, '9.0'
+
+  pod 'FlipperKit', '~>' + flipperkit_version
+  # Layout and network plugins are not yet supported for swift projects
+  pod 'FlipperKit/FlipperKitLayoutComponentKitSupport', '~>' + flipperkit_version
+  pod 'FlipperKit/SKIOSNetworkPlugin', '~>' + flipperkit_version
+  pod 'FlipperKit/FlipperKitUserDefaultsPlugin', '~>' + flipperkit_version
+
+  # If you use `use_frameworks!` in your Podfile,
+  # uncomment the below $static_framework array and also
+  # the pre_install section.  This will cause Flipper and
+  # it's dependencies to be static and all other pods to
+  # be dynamic.
+
+  $static_framework = ['FlipperKit', 'Flipper', 'Flipper-Folly',
+    'CocoaAsyncSocket', 'ComponentKit', 'DoubleConversion',
+    'glog', 'Flipper-PeerTalk', 'Flipper-RSocket', 'Yoga', 'YogaKit',
+    'CocoaLibEvent', 'OpenSSL-Static', 'boost-for-react-native']
+
+  pre_install do |installer|
+    Pod::Installer::Xcode::TargetValidator.send(:define_method, :verify_no_static_framework_transitive_dependencies) {}
+    installer.pod_targets.each do |pod|
+      if $static_framework.include?(pod.name)
+        pod.instance_variable_set(:@host_requires_frameworks, false)
+      end
+    end
+  end
+
+
+  # This post_install hook adds the -DFB_SONARKIT_ENABLED flag to OTHER_SWIFT_FLAGS, necessary to build swift target
+  post_install do |installer|
+    file_name = Dir.glob("*.xcodeproj")[0]
+    app_project = Xcodeproj::Project.open(file_name)
+    app_project.native_targets.each do |target|
+        target.build_configurations.each do |config|
+          if (config.build_settings['OTHER_SWIFT_FLAGS'])
+            unless config.build_settings['OTHER_SWIFT_FLAGS'].include? '-DFB_SONARKIT_ENABLED'
+              puts 'Adding -DFB_SONARKIT_ENABLED ...'
+              swift_flags = config.build_settings['OTHER_SWIFT_FLAGS']
+              if swift_flags.split.last != '-Xcc'
+                config.build_settings['OTHER_SWIFT_FLAGS'] << ' -Xcc'
+              end
+              config.build_settings['OTHER_SWIFT_FLAGS'] << ' -DFB_SONARKIT_ENABLED'
+            end
+          else
+            puts 'OTHER_SWIFT_FLAGS does not exist thus assigning it to `$(inherited) -Xcc -DFB_SONARKIT_ENABLED`'
+            config.build_settings['OTHER_SWIFT_FLAGS'] = '$(inherited) -Xcc -DFB_SONARKIT_ENABLED'
+          end
+          app_project.save
+        end
+      end
+      installer.pods_project.save
+  end
+end

iOS/Tutorial/Tutorial/AppDelegate.swift

@@ -7,6 +7,7 @@
 //
 
 import UIKit
+import FlipperKit
 
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
@@ -16,6 +17,16 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
   func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
     // Override point for customization after application launch.
+    let client = FlipperClient.shared()
+    let layoutDescriptorMapper = SKDescriptorMapper(defaults: ())
+    // If you want to debug componentkit view in swift, otherwise you can omit the next line
+    FlipperKitLayoutComponentKitSupport.setUpWith(layoutDescriptorMapper)
+    client?.add(FlipperKitLayoutPlugin(rootNode: application, with: layoutDescriptorMapper!))
+    client?.add(FlipperKitNetworkPlugin(networkAdapter: SKIOSNetworkAdapter()))
+    client?.add(FKUserDefaultsPlugin.init(suiteName: nil))
+    client?.add(SeaMammalsPlugin(MarineMammal.defaultList))
+    client?.start()
+    
     return true
   }
 

iOS/Tutorial/Tutorial/Cards/MarineMammalCell.swift

@@ -12,6 +12,12 @@ import UIKit
 struct MarineMammal {
   let name: String
   let image: URL
+  static let defaultList: [MarineMammal] = [
+    MarineMammal(name: "Polar Bear", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/Ursus_maritimus_4_1996-08-04.jpg/190px-Ursus_maritimus_4_1996-08-04.jpg")!),
+    MarineMammal(name: "Sea Otter", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/Sea_otter_cropped.jpg/220px-Sea_otter_cropped.jpg")!),
+    MarineMammal(name: "West Indian Manatee", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/FL_fig04.jpg/230px-FL_fig04.jpg")!),
+    MarineMammal(name: "Bottlenose Dolphin", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/10/Tursiops_truncatus_01.jpg/220px-Tursiops_truncatus_01.jpg")!),
+  ]
 }
 
 class MarineMammalCell: UITableViewCell {

iOS/Tutorial/Tutorial/SeaMammalsPlugin.swift

@@ -0,0 +1,34 @@
+//
+//  MyFlipperPlugin.swift
+//  Tutorial
+//
+//  Created by Pritesh Nandgaonkar on 5/3/19.
+//  Copyright © 2019 Facebook. All rights reserved.
+//
+
+import Foundation
+import FlipperKit
+
+class SeaMammalsPlugin: NSObject, FlipperPlugin {
+  var connection: FlipperConnection? = nil
+  let mammals: [MarineMammal]
+  
+  init(_ marineMammals: [MarineMammal]) {
+      mammals = marineMammals
+  }
+  
+  func identifier() -> String! {
+    return "sea-mammals"
+  }
+  
+  func didConnect(_ connection: FlipperConnection!) {
+    self.connection = connection
+    for (index, mammal) in mammals.enumerated() {
+      connection.send("newRow", withParams: ["id": index, "title": mammal.name, "url": mammal.image.absoluteString])
+    }
+  }
+  
+  func didDisconnect() {
+    connection = nil;
+  }
+}

iOS/Tutorial/Tutorial/ViewController.swift

@@ -9,12 +9,7 @@
 import UIKit
 
 class ViewController: UIViewController, UITableViewDataSource {
-  let marineMammals: [MarineMammal] = [
-    MarineMammal(name: "Polar Bear", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/Ursus_maritimus_4_1996-08-04.jpg/190px-Ursus_maritimus_4_1996-08-04.jpg")!),
-    MarineMammal(name: "Sea Otter", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/Sea_otter_cropped.jpg/220px-Sea_otter_cropped.jpg")!),
-    MarineMammal(name: "West Indian Manatee", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/FL_fig04.jpg/230px-FL_fig04.jpg")!),
-    MarineMammal(name: "Bottlenose Dolphin", image: URL(string: "https://upload.wikimedia.org/wikipedia/commons/thumb/1/10/Tursiops_truncatus_01.jpg/220px-Tursiops_truncatus_01.jpg")!),
-  ]
+  let marineMammals: [MarineMammal] = MarineMammal.defaultList
   
   
   override func viewDidLoad() {