iosMain.lottie.LottieAnimation.kt Maven / Gradle / Ivy

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Kotlin Multiplatform Animation Library

There is a newer version: 1.9.6

@file:OptIn(
    ExperimentalForeignApi::class
)
@file:Suppress(
    "INVISIBLE_MEMBER",
    "INVISIBLE_REFERENCE"
)

package lottie


import Lottie.CompatibleAnimationView
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.interop.UIKitView
import kotlinx.cinterop.ExperimentalForeignApi
import platform.UIKit.NSLayoutConstraint
import platform.UIKit.UIColor
import platform.UIKit.UIView


@Composable
fun LottieAnimation(
    modifier: Modifier,
    composition: Any?,
    progress: () -> Float,
    backgroundColor: Color,
){
    when (composition as? CompatibleAnimationView) {
        null -> {}
        else -> {
            UIKitView(
                factory = {
                    UIView().apply {
                        this.backgroundColor = UIColor.clearColor
                        this.opaque = false
                        this.setClipsToBounds(true)
                    }
                },
                modifier = modifier,
                update = { view ->
                    view.backgroundColor =  UIColor.clearColor
                    view.opaque = true
                    composition.translatesAutoresizingMaskIntoConstraints = false
                    view.addSubview(composition)
                    NSLayoutConstraint.activateConstraints(
                        listOf(
                            composition.widthAnchor.constraintEqualToAnchor(view.widthAnchor),
                            composition.heightAnchor.constraintEqualToAnchor(view.heightAnchor)
                        )
                    )
                },
                background = backgroundColor
            )
        }
    }
}