Posts in Kotlin

Android App Bundle vs APK

Reading Time: 5 minutes

AABs, APKs. What are them and what’s the difference?

When building Android Apps, you will be facing a myriad of different file formats and terminology. Particularly when exporting the final version of your app, you will be seeing two main output formats. In this post, we will compare Android App Bundle vs APK, which are composed of DEX files. But what do all these acronyms mean?

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Firebase Firestore for Android Architecture Components

Reading Time: 8 minutes

In a previous post, we discussed how to create an Android app with two of the most important building blocks of Android Architecture Components: LiveData and ViewModel. This is a follow up on that tutorial, once we have an app with clean architecture, we will be configuring Firebase Firestore for Android Architecture Components to update data in real-time and make the most out of LiveData and ViewModel in Android. Here is the previous part if you are curious:

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Code Interview Resources – My Go-To List for FAANG

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Many people would say “all” software engineers will want to work on a FAANG company at least once. I wouldn’t generalize because many of us end up following other dreams, in my case, for example, I love working remotely, programming and tech writing. Because of the above, I will say, “many” software engineers may eventually get an interview with a FAANG company, and here is my list of code interview resources for them.

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Review of Android Studio 3.6

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A summary of the most important aspects of Android Studio 3.6

On Feb. 24, 2020, Google released the newest version of Android Studio, labeled version 3.6. If you’re like me, you probably haven’t paid attention to this update and will just do it whenever your projects need it or when you finally pay attention to the update pop-up.

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Android Alert Dialogs in Kotlin – Tutorial – Part 1: Basics

Reading Time: 6 minutes

Dialogs are present in our every day lives in the digital world, almost every user knows what are we talking about when referring to dialogs: ‘those annoying small windows that cover the screen and interrupt what you want to do’… well sort of, it is like most of our Android UI tools, a way to communicate important messages with users. That’s why I have created this Android Alert Dialogs in Kotlin Tutorial.

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Hash Tables in Kotlin – The HashMap implementation

Reading Time: 4 minutes

Data structures are important topics in any kind of software development, but most of the explanations surrounding them are based in Java. The advantage of Android development is that it was initially done in Java, but in the most recent years, Kotlin has been the preferred language for development. For this reason, it’s important to understand and take the classical and broad Java knowledge into modern programming languages. This is important for a number of reasons, among which we could mention: knowing data structures gives us strong programming bases, makes coding easier, helps us optimize execution time and memory, and also they are usually asked in technical interviews! So let’s start with Hash Tables in Kotlin.

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