Cocoaheads Meetup / Kateryna Trofimenko / Feature development
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The document outlines the process of feature development, detailing the transition from feature flags to A/B testing within a mobile application context. It provides insights into feature management, remote development, and gradual release strategies while highlighting specific implementations and examples. Additionally, it includes references for further information and contact details for the author.
![Dev feature
- (void)configureFeatures {
id<BPFFeaturesService> featureService = [self features];
[featureService loadFeatures:[self classBasedFeatures] withRuntimeSearch:NO];
}
- (NSArray *)classBasedFeatures {
NSArray *classes = @[ ...., [ChattoFeature class],....];
NSMutableArray *classBasedFeatures = [NSMutableArray array];
for (Class class in classes) {
NSAssert([class conformsToProtocol:@protocol(BPFFeatureSource)], @"Class %@
should conform to BPFFeatureSource protocol", NSStringFromClass(class));
BPFFeature *feature = [(id<BPFFeatureSource>)class feature];
[classBasedFeatures addObject:feature];
}
return [classBasedFeatures copy];
}
31](https://image.slidesharecdn.com/cocoaheads190517kate-170523111659/85/Cocoaheads-Meetup-Kateryna-Trofimenko-Feature-development-31-320.jpg)
Cocoaheads Meetup / Kateryna Trofimenko / Feature development
- 1. Feature development: from feature flags to A/B testing Kateryna Trofimenko · Lead iOS developer 1
- 7. 7
- 9. 9 Feature Service Feature Object Feature Object Feature Object
- 10. 10 Feature Service Major feature Remote dev feature Feature Object Feature Object Feature Object
- 11. 11 Feature Service Major feature Remote dev feature Dev feature Feature Object Feature Object Feature Object
- 12. Feature object class BPFFeature : NSObject, NSCoding { let key: String var title: String? var group: String? let isOnByDefault: Bool func isOn() -> Bool { ... } func toggle() { ... } } 12
- 13. Feature service in debug 13
- 17. Feature service Server ✦ Platform type 17
- 18. Feature service Server ✦ Platform type ✦ Product type … 18
- 19. Feature service Server ✦ Platform type ✦ Product type … ✦ Product requirements 19
- 20. Feature service Server ✦ Platform type ✦ Product type … ✦ Product requirements ✦ Client version 20
- 21. Protocol evolution Change of the data format for existing feature 21
- 22. 22
- 23. 23
- 24. Minor feature ✦ Informs server that client supports certain data format 24
- 25. Minor feature ✦ Informs server that client supports certain data format ✦ Removes client version dependency on the server ✦ Easy to QA old and new version of the client 25
- 26. Chat redesign 26
- 28. 28 Git flow dev feature_1 release_1 integration_1 feature_2 master integration_2 Release branch Pending release On Live In Progress In Review In QA In dev In integration In master autodeveloper qa time 2-3 days 1 week
- 29. Dev Feature … and chat redesign 29
- 30. Dev feature final class ChattoFeature: NSObject, BPFFeatureSource { class func feature() -> BPFFeature { let feature = BPFFeature(title: "Chat V2", group: "Chat", key: self.featureKey()) feature.isOnByDefault = false return feature } class func featureKey() -> String { return "com.badoo.chat.chatto" } class var enabled: Bool { return BPFGlobals.shared().features().isFeatureEnabled(featureKey: self.featureKey()) } } 30
- 31. Dev feature - (void)configureFeatures { id<BPFFeaturesService> featureService = [self features]; [featureService loadFeatures:[self classBasedFeatures] withRuntimeSearch:NO]; } - (NSArray *)classBasedFeatures { NSArray *classes = @[ ...., [ChattoFeature class],....]; NSMutableArray *classBasedFeatures = [NSMutableArray array]; for (Class class in classes) { NSAssert([class conformsToProtocol:@protocol(BPFFeatureSource)], @"Class %@ should conform to BPFFeatureSource protocol", NSStringFromClass(class)); BPFFeature *feature = [(id<BPFFeatureSource>)class feature]; [classBasedFeatures addObject:feature]; } return [classBasedFeatures copy]; } 31
- 32. 32
- 33. Remote dev feature … and gradual release 33
- 38. A/B testing 38
- 39. A/B testing 39
- 40. A/B testing 40
- 41. Overview 41
- 43. ✦ Major feature ✦ Minor feature Overview 43
- 44. ✦ Major feature ✦ Minor feature ✦ Development feature Overview 44
- 45. ✦ Major feature ✦ Minor feature ✦ Development feature ✦ Remote Development feature Overview 45
- 46. ✦ Major feature ✦ Minor feature ✦ Development feature ✦ Remote Development feature ✦ A/B testing Overview 46