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Continuous Delivery on Mobile
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Alexander Greim
April 25, 2016
Technology
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Continuous Delivery on Mobile
Given at Delivery World of Things 2016
Alexander Greim
April 25, 2016
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Transcript
Continuous Delivery on MOBILE Delivery of Things World Berlin -
25.04.2016
Alexander Greim Magith Noohukhan Evangelist at XING @magithn Director Mobile
Engineering @iltempo
For a better working life
4
Background 5
6 Successful Web Business
Rapid growth of mobile usage 7
Evolution of Mobile at XING
How We Built Mobile Apps Before 9 • Single agile
team with 4 developers + QA • Building every facet of the app • Collaboration with domain teams
Growing Demand Inside the Company 10 • Mobile use cases
• Additional products • Increased user activity
Scaling Mobile at XING 11 1. Split apps into modules
2. Build a release train 3. Make all teams mobile-ready
1. Split Apps into Modules 12 • Loose coupling of
sections • Shared libraries …
2. Build a Release Train 13 • Frequent, periodic releases
• Fixed dates, fixed quality, variable scope • Stabilisation phase
3. Make All Teams Mobile-Ready 14 • Hiring additional developers
• Onboarding in central team • Training QA, UX, Product … Fully functional agile team
Development Process
Development Process in Teams • Focus on rapid value delivery
• Planning and release contribution • Assuring functional quality 16 Iteration Analyse Develop Test Design Upstream α α
“Assure quality from the very beginning of development.” 17
Release Train Process 18 • Driven by the Platform Team
• Assuring final quality • Highly automated
Platform QA Pre-Release Stage or Review LIVE PRE 19 Team
Team 19
Releases every 2 weeks!
“Be strict. Stick to the time plan precisely. There is
another train upcoming.” 21
“Avoid rollbacks. Going back is tricky and expensive.” 22
What’s special about releasing on Mobile • Packaged software •
High fragmentation • Automated testing still complex 23
Android Device Fragmentation 24 Source: Open Signal Android Fragmentation Report
- http://opensignal.com/reports/2015/08/android-fragmentation/
iOS App Store Review Times 25 Source: http://appreviewtimes.com/ios/annual-trend-graph
What’s Ahead: Optimising Time to Market • Reducing rollout time
by 40% 26 QA Pre-Release Development Stage LIVE Rollout Time
Thank you for your attention.