Red or Green? Let us test

Talk at GDG DevFest Pisa 2019

Transcript

1. Green or red? Let us test Dmytro Khmelenko Software Engineer @ Freeletics
2. A/B test What is that? !2
3. !3
4. Original !4
5. Original Variation !5
6. Original Variation All users 50% 50% !6
7. Original Variation All users 50% 50% Winner !7
8. Production example 8
9. # 1 Purchase screen 9
10. Original Variation 10
11. Original Variation +30% Conversion rate 11
12. # 2 Main app screen 12
13. Original Variation 13
14. Original Variation +18% Conversion rate 14
15. # 3 Dark vs Light theme 15
16. Original Variation 16
17. Original Variation 17 -6% Conversion rate
18. A/B testing is good for your product 18
19. Know how 19
20. Remote Config 20
21. Remote config 21
22. Conditions 22
23. Conditions 23
24. Conditions 24
25. Conditions 25
26. Conditions 26
27. Remote config 27
28. Parameters 28
29. Feature flag 29
30. Feature flag 30
31. Feature flag 31
32. Firebase Remote Config App configuration 32
33. App configuration fun initRemoteConfig() { val remoteConfig = FirebaseRemoteConfig.getInstance() remoteConfig.fetch() .addOnSuccessListener { remoteConfig.activateFetched() } } 33
34. App configuration fun initRemoteConfig() { val remoteConfig = FirebaseRemoteConfig.getInstance() val configSettings = FirebaseRemoteConfigSettings.Builder() .setDeveloperModeEnabled(BuildConfig.DEBUG) .build() remoteConfig.setConfigSettings(configSettings) remoteConfig.setDefaults(R.xml.remote_config_defaults) remoteConfig.fetch() .addOnSuccessListener { remoteConfig.activateFetched() } } 34
35. App configuration fun isFeatureEnabled(name: String): Boolean { return remoteConfig.getBoolean(name) } 35
36. App configuration fun isFeatureEnabled(name: String): Boolean { return remoteConfig.getBoolean(name) } ... if (isFeatureEnabled(“new_purchase_screen”)) { ... } 36
38. Firebase A/B Testing (beta) 38
39. Firebase A/B Testing 39
40. @dkhmelenko