Now it's time to move to Lottie 3.4, which solve the performance issue

Cartfile

@@ -1,2 +1,2 @@
 github "SDWebImage/SDWebImage" ~> 5.10
-github "airbnb/lottie-ios" ~> 2.5
+github "airbnb/lottie-ios" ~> 3.4

Cartfile.resolved

@@ -1,2 +1,2 @@
-github "SDWebImage/SDWebImage" "5.5.2"
-github "airbnb/lottie-ios" "2.5.3"
+github "SDWebImage/SDWebImage" "5.13.0"
+github "airbnb/lottie-ios" "3.4.0"

Example/SDWebImageLottiePlugin Example macOS/AppDelegate.swift

@@ -1,12 +1,13 @@
-//
-//  AppDelegate.swift
-//  SDWebImageLottiePlugin_Example macOS
-//
-//  Created by 李卓立 on 2020/2/29.
-//  Copyright © 2020 CocoaPods. All rights reserved.
-//
+/*
+* This file is part of the SDWebImage package.
+* (c) DreamPiggy <lizhuoli1126@126.com>
+*
+* For the full copyright and license information, please view the LICENSE
+* file that was distributed with this source code.
+*/
 
 import Cocoa
+import Lottie
 
 @NSApplicationMain
 class AppDelegate: NSObject, NSApplicationDelegate {
@@ -15,6 +16,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
     func applicationDidFinishLaunching(_ aNotification: Notification) {
         // Insert code here to initialize your application
+        LottieConfiguration.shared.renderingEngine = .coreAnimation
     }
 
     func applicationWillTerminate(_ aNotification: Notification) {

Example/SDWebImageLottiePlugin Example macOS/ViewController.swift

@@ -1,18 +1,19 @@
-//
-//  ViewController.swift
-//  SDWebImageLottiePlugin_Example macOS
-//
-//  Created by 李卓立 on 2020/2/29.
-//  Copyright © 2020 CocoaPods. All rights reserved.
-//
+/*
+* This file is part of the SDWebImage package.
+* (c) DreamPiggy <lizhuoli1126@126.com>
+*
+* For the full copyright and license information, please view the LICENSE
+* file that was distributed with this source code.
+*/
 
 import Cocoa
 import Lottie
 import SDWebImageLottiePlugin
+import SDWebImage
 
 class ViewController: NSViewController {
 
-    let animationView = LOTAnimationView()
+    let animationView = AnimationView()
 
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -22,17 +23,15 @@ class ViewController: NSViewController {
         view.addSubview(animationView)
 
         let lottieUrl = URL(string: "https://raw.githubusercontent.com/airbnb/lottie-web/master/demo/adrock/data.json")
-        animationView.sd_setImage(with: lottieUrl) { (image, error, cacheType, url) in
-            self.animationView.play(fromProgress: 0,
-                               toProgress: 1,
-                               withCompletion: { (finished) in
-                                if finished {
-                                  print("Animation Complete")
-                                } else {
-                                  print("Animation cancelled")
-                                }
-            })
-        }
+        animationView.sd_setImage(with: lottieUrl, completed: { _,_,_,_ in
+            self.animationView.play(fromProgress: 0, toProgress: 1, loopMode: .repeat(5)) { finished in
+                if finished {
+                    print("Animation Complete")
+                } else {
+                    print("Animation cancelled")
+                }
+            }
+        })
     }
 
 }

Example/SDWebImageLottiePlugin.xcodeproj/project.pbxproj

@@ -763,6 +763,7 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -781,6 +782,7 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 11.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "org.cocoapods.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";

Example/SDWebImageLottiePlugin/AppDelegate.swift

@@ -7,6 +7,7 @@
 */
 
 import UIKit
+import Lottie
 
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
@@ -15,6 +16,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+        LottieConfiguration.shared.renderingEngine = .coreAnimation
         // Override point for customization after application launch.
         return true
     }

Example/SDWebImageLottiePlugin/ViewController.swift

@@ -9,11 +9,12 @@
 import UIKit
 import Lottie
 import SDWebImageLottiePlugin
+import SDWebImage
 
 class ViewController: UIViewController {
 
-    let animationView = LOTAnimationView()
-
+    let animationView = AnimationView()
+    
     override func viewDidLoad() {
         super.viewDidLoad()
         animationView.contentMode = .scaleAspectFit
@@ -22,18 +23,16 @@ class ViewController: UIViewController {
         view.addSubview(animationView)
 
         let lottieUrl = URL(string: "https://raw.githubusercontent.com/airbnb/lottie-web/master/demo/gatin/data.json")
-        animationView.sd_setImage(with: lottieUrl) { (image, error, cacheType, url) in
-            self.animationView.play(fromProgress: 0,
-                               toProgress: 1,
-                               withCompletion: { (finished) in
-                                if finished {
-                                  print("Animation Complete")
-                                } else {
-                                  print("Animation cancelled")
-                                }
-            })
-        }
+        animationView.sd_setImage(with: lottieUrl, completed: { _,_,_,_ in
+            self.animationView.play(fromProgress: 0, toProgress: 1, loopMode: .repeat(5)) { finished in
+                if finished {
+                    print("Animation Complete")
+                } else {
+                    print("Animation cancelled")
+                }
+            }
+        })
     }
-
+    
 }
 

Example/Tests/Tests.swift

@@ -37,44 +37,76 @@ class Tests: XCTestCase {
 
     func testAnimatedImageViewLoad() {
         let exception = self.expectation(description: "AnimationView load lottie URL")
-        let animationView = LOTAnimationView()
+        let animationView = AnimationView()
         let lottieURL = URL(string: "https://raw.githubusercontent.com/airbnb/lottie-web/master/demo/happy2016/data.json")
-        animationView.sd_setImage(with: lottieURL) { (image, error, cacheType, url) in
+        animationView.sd_setImage(with: lottieURL, completed: { (image, error, cacheType, url) in
             XCTAssertNil(error)
             let lottieImage = try! XCTUnwrap(image)
-            XCTAssertTrue(lottieImage.isKind(of: LOTAnimatedImage.self))
-            let animation = try! XCTUnwrap((lottieImage as! LOTAnimatedImage).composition)
-            XCTAssertEqual(animation.compBounds.size, CGSize(width: 1920, height: 1080))
+            XCTAssertTrue(lottieImage.isKind(of: LottieImage.self))
+            let animation = try! XCTUnwrap((lottieImage as! LottieImage).animation)
+            XCTAssertEqual(animation.size, CGSize(width: 1920, height: 1080))
             exception.fulfill()
-        }
+        })
         self.waitForExpectations(timeout: 5, handler: nil)
     }
 
     func testAnimatedControlLoad() {
         let exception = self.expectation(description: "AnimatedControl load lottie URL")
-        let animationView = LOTAnimatedSwitch()
+        let animationView = AnimatedSwitch()
         let lottieURL = URL(string: "https://raw.githubusercontent.com/airbnb/lottie-web/master/demo/adrock/data.json")
-        animationView.sd_setImage(with: lottieURL) { (image, error, cacheType, url) in
+        animationView.sd_setImage(with: lottieURL, completed: { (image, error, cacheType, url) in
             XCTAssertNil(error)
             let lottieImage = try! XCTUnwrap(image)
-            XCTAssertTrue(lottieImage.isKind(of: LOTAnimatedImage.self))
-            let animation = try! XCTUnwrap((lottieImage as! LOTAnimatedImage).composition)
-            XCTAssertEqual(animation.compBounds.size, CGSize(width: 690, height: 913))
+            XCTAssertTrue(lottieImage.isKind(of: LottieImage.self))
+            let animation = try! XCTUnwrap((lottieImage as! LottieImage).animation)
+            XCTAssertEqual(animation.size, CGSize(width: 690, height: 913))
             exception.fulfill()
-        }
+        })
         self.waitForExpectations(timeout: 5, handler: nil)
     }
 
     func testLottieImageWithBundle() throws {
         let bundle = Bundle(for: type(of: self))
         let fileURL = bundle.url(forResource: "Assets", withExtension: "json")!
         let lottieData = try Data(contentsOf: fileURL)
-        let context = [SDWebImageContextOption.lottieBundle : bundle]
-        let lottieImage = LOTAnimatedImage(data: lottieData, scale: 1, options: [.webImageContext: context])!
+        let animation = try JSONDecoder().decode(Animation.self, from: lottieData)
+        let animationView = AnimationView(animation: animation, imageProvider: BundleImageProvider(bundle: bundle, searchPath: nil))
+        let renderer = SDGraphicsImageRenderer(size: animation.size)
+        let viewImage = renderer.image { context in
+            animationView.drawHierarchy(in: CGRect(origin: CGPoint(x: 0, y: 0), size: animation.size), afterScreenUpdates: true)
+        }
+        // Pick the color to check
+        let color1 = try XCTUnwrap(viewImage.sd_color(at: CGPoint(x: 150, y: 150)))
+        XCTAssertEqual(color1.toHexString(), "#00d1c1");
+
+        let lottieImage = LottieImage(animation: animation)
+        lottieImage.imageProvider = BundleImageProvider(bundle: bundle, searchPath: nil)
         let posterFrame = try XCTUnwrap(lottieImage.animatedImageFrame(at: 0))
         // Pick the color to check
-        let color = try XCTUnwrap(posterFrame.sd_color(at: CGPoint(x: 150, y: 150)))
-        XCTAssertEqual(color.toHexString(), "#00d1c1");
+        let color2 = try XCTUnwrap(posterFrame.sd_color(at: CGPoint(x: 150, y: 150)))
+        XCTAssertEqual(color2.toHexString(), "#00d1c1");
     }
+
 
+    func testLottieImageExtractFrame() {
+        let exception = self.expectation(description: "LottieImage extract frame")
+        let lottieUrl = URL(string: "https://raw.githubusercontent.com/airbnb/lottie-web/master/demo/gatin/data.json")!
+        let task = URLSession.shared.dataTask(with: lottieUrl) { data, _, _ in
+            if let data = data, let animation = try? JSONDecoder().decode(Animation.self, from: data) {
+                let lottieImage = LottieImage(animation: animation)
+                let frameCount = lottieImage.animatedImageFrameCount
+                XCTAssertEqual(frameCount, 80)
+                let posterFrame = lottieImage.animatedImageFrame(at: 0)
+                let lastFrame = lottieImage.animatedImageFrame(at: frameCount - 1)
+                XCTAssertNotNil(posterFrame)
+                XCTAssertNotNil(lastFrame)
+                XCTAssertNotEqual(posterFrame, lastFrame)
+                exception.fulfill()
+            } else {
+                XCTFail()
+            }
+        }
+        task.resume()
+        self.waitForExpectations(timeout: 5, handler: nil)
+    }
 }

Package.resolved

@@ -0,0 +1,25 @@
+{
+  "object": {
+    "pins": [
+      {
+        "package": "Lottie",
+        "repositoryURL": "https://github.com/airbnb/lottie-ios.git",
+        "state": {
+          "branch": null,
+          "revision": "246bab7ef72bad56abefb88e84a08871cecf9cb8",
+          "version": "3.4.0"
+        }
+      },
+      {
+        "package": "SDWebImage",
+        "repositoryURL": "https://github.com/SDWebImage/SDWebImage.git",
+        "state": {
+          "branch": null,
+          "revision": "c4b8660bb3ef543fe4bdcaac0db956b32dc5583f",
+          "version": "5.13.0"
+        }
+      }
+    ]
+  },
+  "version": 1
+}

Package.swift

@@ -0,0 +1,36 @@
+// swift-tools-version:5.1
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "SDWebImageLottiePlugin",
+    platforms: [
+        .iOS(.v11),
+        .tvOS(.v11),
+        .macOS(.v10_11)
+    ],
+    products: [
+        // Products define the executables and libraries produced by a package, and make them visible to other packages.
+        .library(
+            name: "SDWebImageLottiePlugin",
+            targets: ["SDWebImageLottiePlugin"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+       .package(url: "https://github.com/SDWebImage/SDWebImage.git", from: "5.10.0"),
+       .package(url: "https://github.com/airbnb/lottie-ios.git", from: "3.4.0")
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages which this package depends on.
+        .target(
+            name: "SDWebImageLottiePlugin",
+            dependencies: ["SDWebImage", "Lottie"],
+            path: ".",
+            sources: ["SDWebImageLottiePlugin/Classes"],
+            publicHeadersPath: "SDWebImageLottiePlugin/Classes"
+        )
+    ]
+)