Optimising UI in Jetpack Compose

Jetpack Compose is now really popular for UI development in Android. However, declarative UI is still a very new and a nuanced topic among Android developers.
Most of the developers are confused about how to write an optimized UI with Jetpack Compose, and lots of developers make mistakes on state management, passing parameters, and recomposing leading to having a slower, non-performant app on production. On the other hand, few developers fall into the rabbit hole of over-optimizing recomposition.
In this talk, we'll see how to improve the performance of your UI in Jetpack Compose, we'll learn about various APIs provided by the Jetpack Compose team to reduce unnecessary recomposition, we'll also learn handling lists in Compose and lastly, we'll learn about static analysis tools with Jetpack Compose, how to use them and some best practices.
This talk will cover
- Gap Buffer and Composer
- What's Composable
- What's Recomposition, how to optimise for it, and how not to over optimise for it
- Breaking down Composables
- Side Effects
- How remember works
- Working with Lists - kotlinx.immutablecollections
- suggestions on optimised state management
- @Stable and @Immutable annotations

Rivu Chakraborty

Kotlin GDE, Android Dev, Author, Speaker, Community Person

Bengaluru, India


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