I recently started a project that involved working with OpenCV on Android. Most of the guides on setting up the library on Android were outdated or not complete. …

Flutter is Google’s new open-source toolkit for helping developers build iOS and Android apps with just one codebase. Flutter apps are written in the Dart programming language and compile to native code, so the performance is really, really great. In this tutorial, I will show you how to use Flutter…

In the last post, we walked through test-driven development on Android and wrote a UI test that checks if the discover view is visible to the user. In this post, we will be working on the discover page still using the test-driven process. Unfortunately, there won’t be a tutorial video…

In 2012, I was just a village boy from Nigeria who had nothing but a dream and a Nokia feature (J2ME) phone. Today, I’m a 19 year old Android developer who has worked on over 50 apps and currently works for an MIT startup. …

In the past, having splash screens in your Android app were not recommended. It didn’t make much sense to intentionally delay the user by adding a splash screen that shows for x seconds. Am sure no one launches an app just to see a splash screen (more on this later). …

I want to quickly walk you through how to build a BBC world news aggregator app on Android. The app will make use of the BBC RSS feed to display the news content. Let me quickly state that I do not work for or represent BBC. The BBC world news…

In the last post, we did some initial project setup. Its been a while since the last post and I sincerely apologize for the delay. In this post, we will be implementing the main feature of the app which is to identify the song that is playing around the user. …

I decided to write about some issues I faced when I started building Android apps 3 years ago, and some others I have seen some new Android developers go through. Feel free to drop yours in the comment section. 1. When you implemented all pages in the app using Activities and your boss later tells you he wants pages to be swipe-able And you try to explain that you have to properly switch…

In the last post, we learned about the MVP (Model View Presenter) architecture pattern and the package by feature code structure. In this post, we will create the project and do some initial setup on it. We will be using the new shiny Android Studio 3.0. If you are using…