Imperative vs. Declarative UI Development with Jetpack Compose

PINAR TURGUT
4 min readAug 30, 2023

In the world of app development, creating user interfaces has been traditionally approached in an imperative manner. However, with the advent of technologies like Jetpack Compose, a paradigm shift towards declarative UI development has taken place. In this blog post, we’ll explore the key differences between imperative and declarative UI development, with a special focus on how Jetpack Compose revolutionizes the way we build user interfaces.

Imperative Approach (Traditional Android UI): In traditional Android UI development, you might use Java or Kotlin to create UI elements imperatively, specifying each element’s properties and how they should be displayed.

// Imperative Approach (Traditional Android UI)
val button = Button(context)
button.text = "Click me"
button.setOnClickListener {
// Do something when the button is clicked
}
layout.addView(button)

Declarative Approach with Jetpack Compose: With Jetpack Compose, you describe the UI structure declaratively using a composable function. You state what you want and let the framework handle the rest.

// Declarative Approach with Jetpack Compose
@Composable
fun MyScreen() {
Column {
Text(text = "Hello, World!")
Button(onClick = {
// Do something when the button is clicked…

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