Recommandé
Recommandé
Contenu connexe
Tendances
Tendances (20)
Similaire à Delivering high-quality apps 6 times, every week
Similaire à Delivering high-quality apps 6 times, every week (20)
Dernier
Dernier (20)
Delivering high-quality apps 6 times, every week
- 1. + + Delivering high-quality apps 6 times every week Tariq Patel Mobile Lead @taxomania
- 2. enhance the transactional experience Who is my customer? How can I engage my customer more? How can I sell more to my customer?
- 3. App Core App SDK Yoyo Wallet App Retailer BrandedCaffè Nero App yoyo API a single platform and code base powering multiple apps
- 4. separate concerns using mvvm View ViewModel Model update notify data binding
- 5. All else being equal, the fastest company in any market will win. optimise the feedback loop
- 7. Automate the deployment pipeline bleeding edge internal alpha
- 10. release trains always ship on time
- 11. • 1800+ unit and integration tests • 300+ feature based end-to-end tests (consisting of over 5000 scenarios) • 200+ mobile client and SDK tests Automated tests throughout our tech stack are executed on every single code change automated testing
- 12. • Bounty-based manual testing • Helps with Android fragmentation problem • Engineers still responsible for quality before releases but Applause can catch unknowns Applause performs crowdsourced testing but is not a gatekeeper for deployments continuous testing
- 13. feature flags We use feature flagging to decouple feature releases from deployments and therefore minimise risk
- 14. The goal Improve link a card conversion - Include the option to scan a debit/credit card with one’s camera with the aim of increasing the % of users that link a card The result? ITWORKED! - Of users that saw Variant 1, there was a positive +13.8% improvement Baseline Variant 1 A/B test performed using a Bayesian approach to determine statistical significance split-test
- 15. The goal Improve in-app purchase conversion - Show consumers the rewards they would earn by purchasing items before reaching the point of sale The result? It didn’t work… - Of users that saw Variant 1, there was a 1.6% decline in conversion Baseline Variant 1 split-test A/B test performed using a Bayesian approach to determine statistical significance
- 16. anomaly detection Crashlytics alerts when crash rates spike
- 17. anomaly detection Crashlytics alerts when crash rates spike Small spike in crashes found in Mixpanel data
- 18. anomaly detection Crashlytics alerts when crash rates spike Small spike in crashes found in Mixpanel data
- 19. post-mortems ‣ Issue summary ‣ Timeline ‣ Root cause ‣ Impact ‣ Resolution ‣ Lessons learned ‣ What went wrong ‣ What went well ‣ Where did we get lucky ‣ Corrective and preventative measures ‣ Short-term actions ‣ Long-term actions
- 20. (Engineer pulls task until delivered to consumers in production) mobile cycle time 2.5days
- 21. 216projected 2017 (vs. 75 in 2016 & 36 in 2015) consumer app releases
- 23. support 600+ consumer support tickets per week 1 complaint about frequency of updates Users don’t want to update their app every week
- 24. 4.7 415 reviews 5.0 393 reviews 4.0 379 reviews 4.0 111 reviews Apple, the Apple logo, iPhone are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc., registered in the U.S. and other countries. Google Play and the Google Play logo are trademarks of Google Inc. As of 26 April 2017 consumer apps
- 25. retention
- 26. About time too - but excellent This is a great 1.0. Certainly much slicker than Costa’s effort and I think it’ll be displacing my Starbucks app on the front page! - Stu531 reviews Way ahead of competitors Love this app - so easy to use and I agree with many other reviews that it is far superior to its competitors apps. - Dainty101 Quick and easy Another reason to use Nero. The best 😊 - FieldofPoppies