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In this episode Donn and Kaushik sit down with Instacart Engineer Colin White to discuss a new image library he has created called Coil.

Coil is a Kotlin-first image library that focuses on ease of use, simplicity and extensibility. In this episode we ask him the question you’re probably wondering … “Why create an image library, isn’t this a solved problem already?” and then move onto the details of how the library works, and what it offers developers.

From Donn’s perspective – It’s an interesting library and gives you what you need with minimal footprint but offers you the extensibility that you’d want in the future. Its a good balance of “just enough” and “I might need this”.

Enjoy

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This week Donn and Kaushik talk to Leland Richardson from the Android team at Google about Jetpack Compose.

Jetpack Compose is declarative component-based UI runtime for Android. With compose you can build your UI with functions in Kotlin to easily “compose” what your UI would look like.

We dive deep in this episode. We talk about the background and influence React had on the project, we dive deep into some of the decisions made regarding the library and much much more…

We hope you enjoy …

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In this episode, Donn talks about public speaking and how it can help you grow your career.

He dives in by telling a story of his first speaking engagement and how he was riddled with fear, insecurity, doubt and anxiety. He then talks about why speaking can help you grow your career and life leaps and bounds. He wraps up with possible things you can speak about when starting out as well as where you can get your break into the speaking circuit.

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Marcel Schnelle joins Donn in this episode to talk about how to get your application under test and some steps to go from scared to confident in your testing process. The second half of the show they dive in deep to JUnit 5 and its new features.

JUnit 5 is backwards compatible with JUnit 4 and offers a slew of new features and extensibility points which make the framework much more appealing going forward. We’re convinced you’ll enjoy this episode and leave wanting to get your app under test – even more than it already is.

Enjoy.

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In this episode, Donn continues his talks about Kotlin Lambda Expressions. He explains how you can use lambda expressions as function parameters and as return types for functions.

This is a very dense episode – if you get lost look at the code snippets below or view on them on fragmentedpodcast.com

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Donn sits down with Buffer Android Lead, Joe Birch. Joe is a GDE for Android, Google Actions, Flutter and Google Pay. In this episode Donn and Joe talk about Clean Architecture, what it is, and why you might want to use it.

They break down the concept of what Clean Architecture is in a manner that is easy for even a beginner to understand.

Enjoy.

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Kaushik decides to hit record on a skype call he has with friend of the show Jesse Wilson. They start off by discussing building features across different platforms today. Jesse talks about a clever mechanism of using javascript to change logic on the fly across the Square cash app, that’s worked out pretty well. They then go on to discussing how one can try and converge across platforms in terms of business logic, architecture, naming etc. They then wind it down by discussing the state of Flutter, Kotlin multiplatform and reaching the promised land.

Enjoy.

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In this episode, Donn talks about Kotlin Lambda Expressions. He explains the syntax and how to build a couple of simple lambda expressions with and without type inference and declaration. We wrap up with a small example of passing a small lambda with multiple values to a function. See the show notes below for more info. This is part 1 of a multi-part series on Lambda Expressions in Kotlin.

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In this episode, you’ll learn all about Kotlin Sealed classes. Donn walks you through what they are, how to create them, how to use data classes, objects and regular classes to create a restricted type hierarchy.

• Kotlin Sealed Classes

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In this episode, Donn talks to Matt Runo about the Flank project. Using Flank you can run your Espresso test suite in parallel on Firebase Test Lab (FTL). This allows you to lower your feedback loop time and increase developer productivity and throughput. You’ll learn all about Flank, how it works and how to get started in this episode.