From the course: Android Compose with Kotlin
Join today to access over 24,500 courses taught by industry experts.
Understand state hoisting - Kotlin Tutorial
From the course: Android Compose with Kotlin
Understand state hoisting
- [Instructor] Composables are either stateful or stateless. The app composable in this example is stateful. By using the remember function it contains its own state. This makes composables less reusable and more challenging to test. While this version of the app composable is stateless. The value of the selectedSession is passed to the composable as a parameter. So, there's no need to contain any state. Stateless composables are preferred when creating your UI in Compose. Moving state from a child composable to a parent composable is known as state hoisting. Think lifting the state up from a child to a parent. This is one way to make a composable stateless. Let's modify our sample app to hoist the state properly. Over here in Android Studio we have a Column composable with one tag, and that tag has the string Android Basics. Let's see what happens when we put our app in Interactive Mode. So, we'll come here, we'll start Interactive Mode, and then we'll click on the tag. And we see…
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.