| 1 | # Migrating from Lottie 2.5.3(OBJC) -> 3.0 (SWIFT)
|
| 2 |
|
| 3 | Lottie 3.0 is a complete rewrite of Lottie in Swift. Because of this there are some minor API changes. This guide should help you through migrating code from Lottie 2.5.2 to 3.0
|
| 4 |
|
| 5 | For continued support and contribution to Objective-C please point to the official Lottie Objective-C Branch [Here](https://github.com/airbnb/lottie-ios/tree/lottie/objectiveC)
|
| 6 |
|
| 7 | Swift discourages the use of Prefix for names. A lot of the api changes are just the removal of `LOT` from the class name. Below is a complete list of API changes.
|
| 8 |
|
| 9 | To use Lottie Swift in an Objective-C project read Apple's official documentation [here](https://developer.apple.com/documentation/swift/imported_c_and_objective-c_apis/importing_swift_into_objective-c)
|
| 10 |
|
| 11 | ## Class Changes
|
| 12 | | Lottie 2.5.2 | Lottie 3.0+ |
|
| 13 | | --:| --:|
|
| 14 | |`LOTAnimationView`|`AnimationView`|
|
| 15 | |`LOTComposition`|`Animation`|
|
| 16 | |`LOTKeypath`|`AnimationKeypath`|
|
| 17 | |`LOTAnimationCache`|`AnimationCacheProvider`|
|
| 18 | |`LOTCacheProvider`|`AnimationImageProvider`|
|
| 19 | |`LOTValueDelegate`|`AnyValueProvider`|
|
| 20 | |`LOTAnimatedControl`|`AnimatedControl`|
|
| 21 | |⛔️|`AnimatedButton`|
|
| 22 | |`LOTAnimatedSwitch`|`AnimatedSwitch`|
|
| 23 |
|
| 24 | ## Method Changes
|
| 25 |
|
| 26 | | Lottie 2.5.2 | Lottie 3.0+ |
|
| 27 | | --:| --:|
|
| 28 | |`LOTAnimationView.sceneModel`|`AnimationView.animation`|
|
| 29 | |`LOTAnimationView.loopAnimation`|`AnimationView.loopMode`|
|
| 30 | |`LOTAnimationView.autoReverseAnimation`|`AnimationView.loopMode`|
|
| 31 | |`LOTAnimationView.animationProgress`|`AnimationView.currentProgress`|
|
| 32 | |`LOTAnimationView.cacheEnable`|⛔️(Cache is passed in on init)|
|
| 33 | |`LOTAnimationView.setValueDelegate:forKeypath:`|`AnimationView.setValueProvider:keypath:`|
|
| 34 | |`LOTComposition.animationNamed:`|`Animation.named:`|
|
| 35 | |`LOTComposition.animationWithFilePath:`|`Animation.filepath:`|
|
| 36 | |`LOTComposition.animationNamed:inBundle:`|`Animation.named:bundle:`|
|
| 37 | |`LOTComposition.animationFromJSON:`|⛔️(`Animation` is Encodable/Decodable from data on it's own.)|
|
| 38 | |
| 39 | eyJoaXN0b3J5IjpbLTE1NDEwODc0Ml19
|
| 40 | -->
|