Reactive Programming in Kotlin

Introducing RxBinding in Android

To aid us Android developers, Jake Wharton created the RxBinding library, which helps you get Android events in a reactive way. You can find them at https://github.com/JakeWharton/RxBinding. Let's get started by adding it to the project.

Add the following dependency to the app level build.gradle file:

    implementation 'com.jakewharton.rxbinding2:rxbinding-kotlin:2.0.0' 

Then we can replace onClick inside ToDoViewHolder with the following line of code:

    itemView.clicks() 
    .subscribeBy { 
       onClickTodoSubject.onNext(Pair(itemView,todoItem)) 
    }

It's that easy. However, you're probably thinking, what's the benefit of making them reactive? The implementation here was simple enough, but think of a situation where you've ...