When is a Kotlin object not a Kotlin object? When it’s a Serializable Kotlin object. This blog post is the story of a strange issue that I encountered recently where a Kotlin object stopped behaving as it was supposed to, how I initially got it working with a bad fix, and how I eventually fixed…
AnimatedIcons: Loading V3
There is a nice micro-animation library at useanimations.com which contains some useful animations which are particularly well suited for animated icons. These are all free to use and downloadable at Lottie animations. For those that already use Lottie they can use these animations as-is. However using them is apps which don’t use Lottie, or in…
BottomNavigationView: Animating Icons
There is an occasional series on Styling Android which covers techniques for creating Animated Icons as AnimatedVectorDrawable and AnimatedStateListDrawable. These are quite easy to use when using them inside a standard ImageView, but there can be other scenarios where they can be a little trickier to get working, and one of those is in the…
AnimatedIcons: Plus / X
There is a nice micro-animation library at useanimations.com which contains some useful animations which are particularly well suited for animated icons. These are all free to use and downloadable at Lottie animations. For those that already use Lottie they can use these animations as-is. However using them is apps which don’t use Lottie, or in…
Image Convolution: Implementation
Many commercial image processing applications have various effects which are achieved using convolution matrices. These are actually pretty easy to implement on Android and enable us to apply some quite interesting effects to images. In this short series we’ll look a little at the theory behind them, look at some examples of what we can…
Image Convolution: Theory
Many commercial image processing applications have various effects which are achieved using convolution matrices. These are actually pretty easy to implement on Android and enable us to apply some quite interesting effects to images. In this short series we’ll look a little at the theory behind them, look at some examples of what we can…
AnimatedIcons: Strikethru
There is a nice micro-animation library at useanimations.com which contains some useful animations which are particularly well suited for animated icons. These are all free to use and downloadable at Lottie animations. For those that already use Lottie they can use these animations as-is. However using them is apps which don’t use Lottie, or in…
View Binding: Performance
In September 2019 Google released Android Studio 3.6 Canary 11 to the Canary channel. This had an interesting new addition: View Binding. In this short series we’ll take a look at how it works, and what impact it may have on performance.
View Binding: Internals
In September 2019 Google released Android Studio 3.6 Canary 11 to the Canary channel. This had an interesting new addition: View Binding. In this short series we’ll take a look at how it works, and what impact it may have on performance.
AnimatedIcons: Loading V2
There is a nice micro-animation library at useanimations.com which contains some useful animations which are particularly well suited for animated icons. These are all free to use and downloadable at Lottie animations. For those that already use Lottie they can use these animations as-is. However using them is apps which don’t use Lottie, or in…