Annyce Davis

[NEW COURSE]: “Intermediate Kotlin for Android Developers”

February 21, 2018 by Annyce Davis Leave a Comment

My second course with LinkedIn Learning is now available, “Intermediate Kotlin for Android Developers”! As an avid fan of the Kotlin programming language, I had lots of fun putting this course together. I hope you enjoy watching and learning!

Course Description:

Kotlin is now officially supported by Google as an Android development language. If you’re an Intermediate Developer interested in learning more about Kotlin, this course can help you get acquainted with this concise, fun language by learning about its efficiencies and power in Android development! The course starts with a general overview of what Kotlin has to offer, and how to leverage the Kotlin Android Extensions plugin. It also explains how to work with Anko, and provides an overview of some of the library’s main artifacts: commons, layouts, and coroutines. To wrap up, the course covers how to work with collections.

Topics Included:

What Kotlin has to Offer
Working with Lambdas
Common Android Extension functions
Kotlin Android Extensions overview
Making use of the Anko library
Working with Coroutines
Nullability and Collections

For more great video content, check out my course page!

Talk: RxJava in Baby Steps

October 31, 2017 by Annyce Davis Leave a Comment

Reactive Programming with RxJava has widely been adopted by both backend services and Android applications alike. Yet, the steep learning curve leaves many developers hesitant about adding it to their own Software tool belt. I was one such developer. Over the past two years, I’ve watched countless videos, read numerous blog posts and attended several conference talks on the subject. Yet, I often left each experience feeling only slightly more knowledgeable, but not quite empowered to start using RxJava in my apps. That’s not going to happen in this talk!

We cover the bare minimum concepts you need to grok, in order to start using RxJava today. In particular, we focus on:

The 3 O’s: Observable, Observer and Operator
The most common Operators: map(), flatMap(), and filter()
Understanding those Marble Diagrams

Reactive Programming is not going away any time soon. It’s a powerful way to create asynchronous, event-based applications. It allows developers the ability to craft applications that can easily combine multiple network calls, gracefully handle failures, all while providing a snappy user experience. I want everyone to feel comfortable with the basic concepts of RxJava. Today can be your first step…

RxJava In Baby Steps from Annyce Davis

Resources for Learning More:

Droidcon NYC 2017 Recap

October 3, 2017 by Annyce Davis 2 Comments

This was my second time attending and speaking at the Droidcon NYC Conference. In 2015, my first conference talk was at this event. It was great to get back to New York and reconnect with many I met a few years ago. I put together a few highlights of what took place below:

@JvmSuppressWildcards My Biggest Annoyance with Kotlin

August 29, 2017 by Annyce Davis 6 Comments

Over the past few months my team has been steadily moving our code over to Kotlin. It’s been a joy to get to work with such a succinct, yet expressive language. However, I have spent needless hours attempting to debug issues in my application that were all solved with the addition of this one thing: @JvmSuppressWildcards.

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