Tom Colvin – Medium

Tom Colvin

Published in
ProAndroidDev

AI Vision on Android: CameraX ImageAnalysis + MediaPipe + Compose

Last week we looked at the basics of the CameraX library. That laid the foundations for something really exciting … AI vision! Now we can…

Dec 19, 2024

Illustration of a brain in a circuit board pattern

Dec 19, 2024

Published in
ProAndroidDev

Let’s build an Android camera app! CameraX + Compose

Writing customised camera experiences on Android has traditionally been very difficult. For one thing, photography itself is difficult: as…

Dec 11, 2024

Flow chart showing how the PreviewView is passed to the Preview’s setSurfaceProvider, to create a working preview

Dec 11, 2024

Published in
ProAndroidDev

Seven recipes to understand flows and asynchrony in Kotlin

In the clean world of Kotlin coroutines, we can have many tasks running at different times. Suspend functions and flows are two examples...

Mar 14, 2024

Seven recipes to understand flows and asynchrony in Kotlin

Mar 14, 2024

Published in
ProAndroidDev

Seven demos to understand coroutines: scope, context and Jobs

Understanding coroutines — really understanding them, not just learning patterns — comes from seeing what goes on under the hood.

Feb 19, 2024

A box being handed over

Feb 19, 2024

Published in
ProAndroidDev

Coroutine patterns in Android, and why they work

I know many Android developers who learn coroutines through code patterns, and that is usually enough to get by. But doing so misses the…

Jan 21, 2024

An org chart

Jan 21, 2024

Published in
ProAndroidDev

Android, Bluetooth and BLE the modern way: a complete guide

Bluetooth is an immensely fun technology to work with. Once you learn how to search for and communicate with devices, you will be surprised…

Jan 10, 2024

People sending files and documents via Bluetooth on mobile devices

Jan 10, 2024

Published in
ProAndroidDev

A flexible, modern Android app architecture: complete step-by-step

Here we teach Android architecture by example. That means showing how various architecture decisions are made. We will encounter…

Jul 4, 2023

A flexible, modern Android app architecture: complete step-by-step

Jul 4, 2023

Published in
ProAndroidDev

How to architect Android apps: a deep dive into principles, not rules

Here’s a scenario that’s recognisable to most Android developers… You are tasked with adding a simple feature to an app, but doing so…

May 25, 2023

Workers architecting a building

May 25, 2023

Published in
Better Programming

Firebase’s Password Reset is Insecure. Here’s How to Fix It.

Firebase Auth’s default password reset app is insecure, as it allows users to enter insecure passwords. My project provides a drop-in…

Apr 3, 2023

Firebase’s Password Reset is Insecure. Here’s How to Fix It.

Apr 3, 2023

Why Firebase email/password login isn’t great for security

In my previous security breakdown of Firebase Auth, I noted six separate security problems, and the first on the list was its insecure…

Mar 20, 2023

Why Firebase email/password login isn’t great for security

Mar 20, 2023

Tom Colvin

Tom Colvin

Android developer / consultant; freelancer or through my agency Apptaura. Google Developer Expert in Android. tomcolvin.co.uk Articles 100% me, no AI.

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