Continuous delivery mobile application development
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Continuous delivery mobile application development
- 1. Continuous Delivery – Mobile Application Development
- 2. A couple of years back About 9 months spent by a team of client developers to get the application live Management is worried about the amount of time and money spent 2 months was spent on fixing the bugs We had about 30K downloads but usage metrics was about 1K visits per week
- 4. tip of the iceberg
- 5. Why
- 7. build the right thing theleanstartup.com/
- 8. don’t waste money on the wrong thing Standish Group: how often features are used
- 9. How
- 10. fast, automated feedback on the production readiness of your applications every time there is a change whether code, infrastructure, configuration or database Jez Humble
- 12. continuous delivery small feature chunks time software always production ready releases tied to business needs, not IT constraints minimize the lead time from idea to live concept to cash
- 13. continuous delivery Your software is releasable throughout its lifecycle; Your team prioritizes keeping the software releasable over working on new features; Anybody can get fast, automated feedback on the production readiness of your systems any time somebody makes a change to them; You can perform push-button releases of any version of the software on demand.
- 14. step 1 - continuous integration Unit Tests UI Tests Acceptance Tests Run from terminal
- 15. adhere to the test pyramid Adapted from Mike Cohn (Automated Test Pyramid) and Lisa Crispin & Janet Gregory (Agile Testing)
- 17. step 2 - full production pipeline CI SC Tests Integration Tests Automated Network Tests Usability Tests UAT Tests Live Manual & Parallel
- 18. Service contract tests Decouple your backend from the mobile application adhere to service contracts backward compatible services
- 19. integration tests First time in the feedback cycle, app is talking to real services Test your app against a environment Run the tests on actual device Use analytics metrics
- 20. network tests You don’t know where your customer is accessing On the move Any kind of network Use network link adaptor / other simulators
- 21. App distribution - testing Use OTA app distribution mechanisms Deal with groups Distribute with confidence Simulate the Appstore experience TestFlight / Hockey App
- 22. Usability Tests User experience *cant be compromised*! Popup in stores Test with Mock ups Automate it ? Analytics plays a big role
- 23. Usability Tests & Logging heatmaps.io crashlytics.com
- 24. step 3 – configuration management No hardcoded configuration in the application Remotely enable and disable features App version support
- 25. Push button release Final manual step is to upload the ipa/apk Change the description Get your version numbers correct
- 26. What we achieved reliability & stability compliance & traceability releasing at will Built the right product Make customers happy with continuous involvement
- 27. Q&A
Editor's Notes
- Going to talk about what, why and how
- A telecom giant, who wanted to fix the cost of maintaining an IVR and the cost of call center9 long months to take the app to liveNo actual usage of the
- A lot of time spent in analysis & design of the product without ant validation
- Mobile App Development: In enterprise world / or any world for that matter, no mobile application is stand alone Every application interacts with a backend system in one form or another to make
- Application delivery: 3 months was spent in deploying the build to production
- Customer is always correct! If idea is wrong till it is accepted by customersAccepatnce can be measured looking at the correct data points
- Standish Group
- Sequential Big batch longer release cycles longer feedback cyclesAgile:Embrace changeSmall pieces
- move away from a model where releases go out monthly or quarterly or whatever. To a model where you are constantly delivering value to production from the beginning of the project.2 beneficial effects of fast, automated feedback - your software is always production ready. you should be able to press a button and release your software to production at any time - and crucially, when you press that button, it should be a decision of the business, we shouldn’t be constrained by thinking you have to wait for the next release window in a month. it should be possible for the business to say they want a feature, it gets built in a week or two and then they can push it into production. and this is a big change, a strategic benefit for the business. if you are the business and you see a market opportunity and can react and get something out in a couple weeks, then you have incredible strategic advantage over your competitors. requires big changes in an organization. so how do we approach this?So what is the first step?