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A collection of 24 posts

Photograph of a man holding a tablet with eVitabu and APF logos on it. Africa is shown in the background,

eVitabu dev week, March 2023

Progress made during the eVitabu dev week in March 2023.

Left:Green Android robot.Right:the same robot with its body jumbled up.Centre is a wiggly arrow & the word "Obfuscate..."

Android ProGuard & Serialisation - exempting files from obfuscation

After battling with a problem involving obfuscated variables I wanted to share the solution.

Table with three green rows and one red. To the side is a blue box showing 168 tests passed, and 7 failed.

Developing tests

Developing tests: introduction

Testing software is important, and can validate that things work as planned (or at all). Let's look at software testing in more details.

Hacktoberfest 2021

Hacktoberfest 2021

I didn't leave it to the last minute this year, woohoo! Ok, I'm kidding. As regular readers will know from posts about this [https://blog.jonsdocs.org.uk/tag/hacktoberfest/], Hacktoberfest is something I always end up leaving to the last minute. This year I started October by looking for

eVitabu dev week October 2021

eVitabu dev week October 2021

A run down of my October 2021 eVitabu development week.

Hacking my old blog: part 4, security fixes

hacking my old blog

Hacking my old blog: part 4, security fixes

To finish off the series, I discuss some of the mechanisms that could have been used to protect my old blog.

Hacking my old blog: part 3

hacking my old blog

Hacking my old blog: part 3

The final post in the attack phase of this series.

Hacking my old blog: part 2

hacking my old blog

Hacking my old blog: part 2

Let's get into the admin panel...

Hacking my old blog: part 1

hacking my old blog

Hacking my old blog: part 1

A dig around my old blog to see if I can hack it.

Android code clean-up: concatenating strings with setText

Android code clean-up: concatenating strings with setText

The Android Studio code inspector is a useful tool for maturing your code and improving your style.

Android: Opening URIs using Intent - protocol case matters

Android: Opening URIs using Intent - protocol case matters

Protocols need to be lower case in URIs used in Android, so why doesn' Android make sure they are?!

Upgrading Yii2 to use Codeception 4.1.6+

Upgrading Yii2 to use Codeception 4.1.6+

The upgrade process from earlier versions of Codeception for Yii2 is very easy.

Improving your site with Lighthouse and Cloudflare

Improving your site with Lighthouse and Cloudflare

Chrome's Lighthouse tool is really handy for improving your website and Cloudflare provides additional performance and security benefits.

Passwords as technical debt

Passwords as technical debt

Passwords aren't going away...

Yii2: Moving to Bootstrap 4

Yii2: Moving to Bootstrap 4

How to update Yii2's Bootstrap templates to version 4.

How I became a developer

How I became a developer

My journey into programming.

Why we chose OAuth for eVitabu

Why we chose OAuth for eVitabu

User authentication is an important consideration when designing any system. Here's how we decided to use OAuth for eVitabu.

Hacktoberfest 2019

Hacktoberfest 2019

My Hacktoberfest 2019 experience.

Days 4 & 5: eVitabu dev week (July 2019)

Days 4 & 5: eVitabu dev week (July 2019)

July 2019's dev week ended successfully with updates to both the Android app and the web management interface.

Days 1 - 3: eVitabu dev week (July 2019)

Days 1 - 3: eVitabu dev week (July 2019)

The first few of days of July 2019's eVitabu development week.

eVitabu development week, Feb 2019

eVitabu development week, Feb 2019

I spent a week working on eVitabu full time. Here's some highlights.

Android and Firebase - signing with the right keys

Android and Firebase - signing with the right keys

After moving my Android development environment I found I couldn't authenticate with Firebase any more. This post explains the solution.

My Hacktoberfest 2018 experience

My Hacktoberfest 2018 experience

In 2018 I participated in Hacktoberfest for the first time. This is my experience.

Developing eVitabu

Developing eVitabu

Things I learnt while working on eVitabu for African Pastors Fellowship.