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ADH08
Mobile DevOps Demystified
with Xamarin, VSTS and
HockeyApp
Roy Cornelissen
Mobile Lead Consultant
Xpirit Netherlands @roycornelissen
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@roycornelissen
Dev
Ops
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Ops
Maintaining
the status quo
Stability!
@roycornelissen
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DevOps is the union of
people, process and
products to enable
continuous delivery of
value to our end users.
Donovan Brown
@roycornelissen
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DevOps
Delivering software at the speed of business
@roycornelissen
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What’s unique about mobile?
§ Catching the Mobile
Moment
§ Mobile isn’t neutral
§ Testing mobile apps
§ Publishing to the
App Store
@roycornelissen
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Catching the mobile moment
Identify
Design
Engineer
Analyze
IDEA Cycle
Forrester Research
@roycornelissen
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Catching the mobile moment
@roycornelissen
Product
vs
Project
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Mobile isn’t neutral
On desktop, you designed for the web
On mobile, you design for the platform
http://ben-evans.com/benedictevans/2015/9/26/mobile-is-not-a-neutral-platform
@roycornelissen
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Code Repository
Backlog
Build + Deploy
Monitor and improve
Automated Testing User Feedback
VSTS DevOps Cycle
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Build
@roycornelissen
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Test
@roycornelissen
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Screen sizes
& orientations
@roycornelissen
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Device
Fragmentation
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Thousands of iOS and Android APIs
Public web APIs
Backend integrations
Third party libraries
Memory, CPU and network constraints
@roycornelissen
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Long Cycles
Rapid
Iterations
High Test Realism
Simplistic Tests
Beta Testing
Manual
Testing
Automated UI
Testing
Unit Testing
Automated UI testing is
the only way to ensure
your app
LOOKS
BEHAVES
PERFORMS
well on a broad set of
devices with every release
@roycornelissen
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@roycornelissen
Should we...
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Agile testing pyramid
Automated Unit Tests
Automated Integration Tests
Automated
UI Tests
Manual Tests
@roycornelissen
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Deploy
@roycornelissen
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Feedback
@roycornelissen
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Code Repository
Backlog
Build + Deploy
Monitor and improve
Automated Testing User Feedback
Recap: VSTS DevOps Cycle
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Lessons
learned
@roycornelissen
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The cloud is
never down.
Right...?
@roycornelissen
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Your API is throwing timeouts and errors
@roycornelissen
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@roycornelissen
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@roycornelissen
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@roycornelissen
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@roycornelissen
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@roycornelissen
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Xamarin caused by: java.lang.OutOfMemoryError: (Heap
Size=49159KB, Allocated=41079KB)
at
android.graphics.BitmapFactory.nativeDecodeStream(Native
Method)
at
android.graphics.BitmapFactory.decodeStream(BitmapFactory.java
)
at
android.graphics.BitmapFactory.decodeStream(BitmapFactory.java
)
at dalvik.system.NativeStart.run(Native Method)
java.lang.NullPointerException: null reference
at
com.google.android.gms.common.internal.zzx.zzz(Unknown
Source)
at
com.google.android.gms.appindexing.Thing$Builder.setName(Unk
nown Source)
at mono.java.lang.RunnableImplementor.n_run(Native
Method)
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@roycornelissen
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@roycornelissen
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Mobile Center
@roycornelissen
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ChatOps
@roycornelissen
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@roycornelissen
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@roycornelissen
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@roycornelissen
roycornelissen.wordpress.com
[email protected]
xpir.it/XpiritMagazine