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android ui

Android ConstraintLayout 2.0: ConstraintLayoutStates

With the introduction of ConstraintLayout 2.0, there is an interesting new feature called ConstraintLayoutStates. ConstraintLayoutStates allow you to create a layout with different states and switch between them easily. Typically, most layouts contain a loading state, initial state, end state and error state. Using ConstraintLayoutStates, there is a clean way to switch between these different […]

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android ui Uncategorized

ConstraintLayout 2.0: ImageFilterView

Whilst browsing through the various examples online with the new ConstraintLayout 2.0, I stumbled upon ImageFilterView. This got my attention immediately and I decided to investigate further. An ImageFilterView allows you to perform some common image filtering techniques on an ImageView, including saturation, contrast, warmth and crossfade.  If you have tried to implement these image filters before, you may have […]

Categories
android ui

Variable Fonts in Android O 🖍

This post initially appeared here. After attending DroidCon Italy 2018 last week, I was excited by the presentation from Nick Butcher and Florina Muntenescu. They spoke about many different aspects related to Text on Android including Spans, Colours, and AutoSizing TextViews, but the one thing that caught my eye was Variable Fonts. This was the first time I had heard about […]

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android studio ui

ConstraintLayout – Guidelines, Barriers, Chains and Groups

Since my initial blog post about ConstraintLayout, there have been a whole bunch of new features added (and lots of improvements) to ConstraintLayout. This blog post aims to cover some of the new features, namely Guidelines, Barriers, Chains and Groups. Some of these features require using Android Studio 3.0 Beta 5 and the beta version of […]

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android firebase ui

A/B Test your App using Firebase Remote Config

Last week I was in Nairobi and Cape Town giving a talk on Remote Config and Test Lab in Firebase. I had such a great time and thought I should share some of the content I presented online. What is A/B Testing? A/B testing is the process of experimentally testing your UI on different audiences in order to […]