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Fix for #533 animated CircleNode modifier #534

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Fix for #533 animated CircleNode modifier #534

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4 changes: 3 additions & 1 deletion ...e/snippets/src/main/java/com/example/compose/snippets/modifiers/CustomModifierSnippets.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ package com.example.compose.snippets.modifiers

import android.annotation.SuppressLint
import androidx.compose.animation.core.Animatable
import androidx.compose.animation.core.AnimationVector1D
import androidx.compose.animation.core.DecayAnimationSpec
import androidx.compose.animation.core.RepeatMode
import androidx.compose.animation.core.animateFloatAsState
Expand Down Expand Up @@ -259,14 +260,15 @@ class ScrollableNode :
object CustomModifierSnippets14 {
// [START android_compose_custom_modifiers_14]
class CircleNode(var color: Color) : Modifier.Node(), DrawModifierNode {
private val alpha = Animatable(1f)
private lateinit var alpha: Animatable<Float, AnimationVector1D>

override fun ContentDrawScope.draw() {
drawCircle(color = color, alpha = alpha.value)
drawContent()
}

override fun onAttach() {
alpha = Animatable(1f)
coroutineScope.launch {
alpha.animateTo(
0f,
Expand Down