Installation

dependencies {
    implementation("io.primer:checkout:3.0.0-beta.8")
}

dependencies {
    implementation(platform("io.primer:primer-sdk-android-bom:3.0.0-beta.8"))
    implementation("io.primer:checkout")
}

dependencies {
    implementation(platform("io.primer:primer-sdk-android-bom:3.0.0-beta.8"))
    implementation("io.primer:checkout")
    implementation("io.primer:3ds-android")    // 3DS on card payments
    implementation("io.primer:klarna-android") // Klarna
    implementation("io.primer:stripe-android") // Stripe ACH
}

plugins {
    id("org.jetbrains.kotlin.plugin.compose") version "<your-kotlin-version>"
}

android {
    buildFeatures {
        compose = true
    }
}

dependencies {
    implementation(platform("androidx.compose:compose-bom:2025.12.00"))
    implementation("androidx.compose.ui:ui")
    implementation("androidx.compose.material3:material3")
    implementation("androidx.lifecycle:lifecycle-runtime-compose:2.7.0")
}

@Composable
fun CheckoutScreen(clientToken: String) {
    val checkout = rememberPrimerCheckoutController(
        clientToken = clientToken,
    )

    // The sheet renders its own success/error screens. Observe state to
    // react programmatically (navigate, log, clear the cart).
    val state by checkout.state.collectAsStateWithLifecycle()
    LaunchedEffect(state) {
        when (val s = state) {
            is PrimerCheckoutState.Success -> { /* Navigate to confirmation */ }
            is PrimerCheckoutState.Failure -> { /* Inspect s.primerError */ }
            else -> Unit
        }
    }

    PrimerCheckoutSheet(checkout = checkout)
}

./gradlew assembleDebug