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Oliver Spryn

Lead Software Engineer • Technology Writer • Instructor

Published Articles

As a leading engineer, I have often found that my trailblazing efforts answer hard-to-find or little-discussed questions. I am a firm believer in sharing what I learn and I use my blog as a platform to distill my findings into easy, bite-sized articles.

The Handbook to GPG and Git

Learn how to use GPG and Git for a more secure software development workflow without the hassle and overhead encryption normally adds to a project.

Writing a Fully Unit Testable Android App

Learn the pillars of Android development that opens up the path for unit testing with a coverage rate of 95% or greater.

Add Chrome Custom Tabs to the Android Jetpack Navigation Component

Learn how to extend the Android Jetpack Navigation Component with a custom destination type by building a new Chrome Custom Tabs router.

Adding Git Completion to Zsh

Learn how to manually set up Zsh to provide fast, easy Git completion for all of your software projects.

Conditional Gradle Configuration by Build Variant

Learn the pillars of Android development that opens up the path for unit testing with a coverage rate of 95% or greater.

Video Instruction

I have learned that the best way to teach both left-brain and right-brain colleagues is through video instruction. Not only is it more engaging than written material, but has saved us hours of duplicated effort as an organization.

Release MyUPMC for iOS

One of my on-boarding instructional videos for the MyUPMC project teaches engineers how to set up their development workstation to release MyUPMC iOS to the App Store. All proprietary information is blurred out.

RxJava & RxAndroid

A sample of one of my in-depth instructional videos for engineers looking to take a deep dive on RxJava, RxAndroid, and how reactive programming concepts are used in MyUPMC Android.

Contact Me

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© 2021 Oliver Spryn. All rights reserved.