Categories
android ui

Optimizing Layouts in Android – Reducing Overdraw

You have a great idea and you have launched your application into the wild. Now you hear people complaining how your app is slow and horrible to use. Sad face. One such step to improve the rendering time of your application is to have a look at the GPU Overdraw tool.

Categories
android

Fixing Memory Leaks in Android – OutOfMemoryError

Memory leaks in Android are quite easy to create. The unsuspecting developer might be making a few memory leaks every days without realising. You probably haven’t noticed them yet or even know that they exist. Until you see an exception like this….

Categories
android kotlin

[HOW TO] Set up Kotlin Source Code & Tests in your Android Apps

After reading a lot of different posts raving about Kotlin, I couldn’t help myself. I had some serious FOMO. In this blog post, I will be looking at getting Kotlin set up in existing Android Apps. What is Kotlin? Kotlin is a statically typed programming language that can be used to write Android Apps. It […]

Categories
android database github

Automated Testing of SQLite Database Upgrades – Android

As a follow up to my previous post [How to use onUpgrade() correctly in Android], I decided that I should probably add some tests to avoid database upgrade failures in the future. Manually testing database upgrades in Android can be quite a pain and you are bound to miss something, especially if you have had loads of versions […]

Categories
android github

Android SQLite Database – How to use onUpgrade() correctly

After reading this blog post (and a few others) on how to use the onUpgrade() method for your Android SQLite Database, I thought I should share my experience about how to correctly upgrade your database. It will also be beneficial to highlight why the final solution listed in that blog post would also fail at some point for some scenarios. […]