I’ve been talking a lot about Kotlin in this blog, but now that Google is also talking about Kotlin, and that Kotlin 1.0 RC has been released, there’s no doubt that Kotlin is much more than just an alternative for Android. Kotlin is here to stay, and I recommend you to start learning about it. …
Warning: The Plaid project has changed a lot since I wrote this, but here there are still some useful ideas that can help you in your own projects to start thinking the “Kotlin” way We saw pretty amazing improvements in the first article thanks to the use of Kotlin in an activity. But the thing …
Converting Plaid to Kotlin: Lessons learned (Part 2) Read More »
Warning: The Plaid project has changed a lot since I wrote this, but here there are still some useful ideas that can help you in your own projects to start thinking the “Kotlin” way People often ask me about the advantages of writing Android Apps using Kotlin. The thing is that I never directly converted …
Converting Plaid to Kotlin: Lessons learned (Part 1) Read More »
One of the awesome things about Android is the ability we have to integrate our apps into the ecosystem in many different ways. Apps can talk among each others, and this fact gives us an impressive flexibility to create unique experiences. Integrations with Google are a clear example. We have a bunch of different features that can …
Lambdas are a great powerful tool to simplify code, but also to do things that were not possible before. We talked about them in the [first part of the series](Unleash functional power on Android (I): Kotlin lambdas). In the end, lambdas are the basis to implement lots of functional features, such as the ones we …
Functional Android (II): Collection operations in Kotlin Read More »
The functional programming can be a really powerful tool when used properly, and though Java 8 includes some functional tools, as you can imagine Android Developers won’t be able to use it very soon (or even never). So many alternative languages are starting to emerge to solve this problem. Functional Programming in modern languages Functional …
Unleash functional power on Android (I): Kotlin lambdas Read More »
Kotlin has a fixed number or symbolic operators we can easily use on any class. The way is to create a function with a reserved name that will be mapped to the symbol. Overloading these operators will increment code readiness and simplicity. Operators tables Here you can see a set of tables with the operator …
Collections, iterators, arrays, sequences… all share a good set of useful functions that help do transformations, sortings and other kind of operations over their items. But there are parts in Android SDK where this is not available due to the way the classes are constructed. For instance, we can’t directly get a list of the …
Functional operations over Views in ViewGroup using Kotlin Read More »
Kotlin is a really powerful language aimed to write more code using less boilerplate. And this is specially true in Android. Apart from the language itself and its own classes, Kotlin also provides a good set of useful extensions for already existing Java classes. An example of this is the way to make a request …
API request in Android the easy way using Kotlin Read More »
Hi dear reader. Today it’s a very special post, because I’m really happy to announce the release of my first book: Kotlin for Android Developers Kotlin for Android Developers is a lean publication, which it’s in its early stages, and will grow with your help and ideas. If you follow this blog, you already know …