can we deliver mobile apps continuously?
TRANSCRIPT
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?Can We Deliver Mobile Apps ContinuouslyDAN WATERSXAMARIN TECHNICAL SOLUTIONS PROFESSIONAL AT [email protected] | @DANWATERS
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We Can Deliver Mobile Apps ContinuouslyDAN WATERSXAMARIN TECHNICAL SOLUTIONS PROFESSIONAL AT [email protected] | @DANWATERS
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Quality Matters MoreOn Mobile
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Short User SessionsSmall Form FactorsLimited Resources
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Thousands of iOS and Android APIs
Public web APIs
Backend integrations
Third party libraries
Memory, CPU and network constraints
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Count of distinct device types (out of 682,000 unique devices running OpenSignal apps)
2013: 11,8682014: 18,7682015: 24,093
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Mobile app quality can beOVERWHELMING
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How can we do better?Vision, Tools, Processes, and Baby Steps
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7 Reasons To Adopt Continuous Delivery
Much Higher Release Readiness Refactor with Confidence Consistent, Actionable, Automated Test Reports Better Feedback Move Faster, Safely Better Team Morale Higher Quality Software!
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Test Sooner.
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Faster Release Cycles
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Mobile DevOps Vision
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Vision for the developer experience – Mobile DevOps
Pick up a task
Write code
Manual tests
Code review
Push commit
CI with automated
tests
Automated deployment to beta users
Review test results
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Tools Demo (kinda)
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The 20 Minute Goal
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Conceptual Build Templates“Quick CI”
• Optimize for shorter runtime (< 20 min)
• Run on every check-in (CI)
• Includes critical path smoke tests
• Also includes smoke tests for features related to the commit (rotate new features in and out)
• Small set of critical devices
CI Regression• Chain and run only if
Quick CI is green• Larger set of tests
and devices• Deploy to beta users
if it passes• Immediately triage if
it fails
Weekly Regression• Scheduled build
starting after everyone goes home for the weekend
• Includes all tests and all target devices
• Runtime could be very long
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The Highest-Value Automated UI Test For Mobile Apps
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[Test][Category(“smoke-tests”)]public void AppDoesNotCrash(){ app.WaitForElement(“main_logo”); app.Screenshot(“App did not crash.”)}
C# Example (NUnit + Xamarin.UITest)
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Happy Test Cloud Customers
Pinterest uses Xamarin Test Cloud to delight Pinners everywhere, guaranteeing its apps look amazing and work without issue on any device for over 100 million users.
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Happy Test Cloud Customers
Coca-Cola Bottling Co. Consolidated is transforming their business with anywhere, anytime accessible field sales apps powered by Xamarin for Visual Studio, Azure, and Visual Studio Team Services.
Learn more at www.xamarin.com/customers
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3 Key TakeawaysTo Help Delight Your Customers and Team
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1. Test Immediately
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2. Establish a Build
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3. Take Baby Steps