feat: Optimize onboarding animations and improve page swiping performance
This commit is contained in:
k1ngsterr1
@@ -247,15 +247,17 @@ fun OnboardingScreen(
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modifier = Modifier
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.fillMaxWidth()
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.height(150.dp),
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// Pre-load adjacent pages for smooth swiping
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beyondBoundsPageCount = 2,
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flingBehavior = PagerDefaults.flingBehavior(
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state = pagerState,
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lowVelocityAnimationSpec = tween(
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durationMillis = 300,
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durationMillis = 250,
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easing = FastOutSlowInEasing
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),
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snapAnimationSpec = spring(
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dampingRatio = Spring.DampingRatioLowBouncy,
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stiffness = Spring.StiffnessLow
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dampingRatio = Spring.DampingRatioNoBouncy,
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stiffness = Spring.StiffnessMedium
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)
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)
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) { page ->
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@@ -372,42 +374,20 @@ fun AnimatedRosettaLogo(
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bookComposition: Any?,
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modifier: Modifier = Modifier
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) {
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val currentPage = pagerState.currentPage
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val pageOffset = pagerState.currentPageOffsetFraction
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// Animate scale and alpha based on swipe
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val scale by animateFloatAsState(
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targetValue = 1f - (pageOffset.absoluteValue * 0.08f),
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animationSpec = tween(400, easing = FastOutSlowInEasing),
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label = "scale"
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)
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val alpha by animateFloatAsState(
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targetValue = 1f - (pageOffset.absoluteValue * 0.3f),
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animationSpec = tween(400, easing = FastOutSlowInEasing),
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label = "alpha"
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)
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// Use derivedStateOf for optimized reads
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val currentPage by remember { derivedStateOf { pagerState.currentPage } }
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Box(
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modifier = modifier
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.graphicsLayer {
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// Enable hardware acceleration
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compositingStrategy = androidx.compose.ui.graphics.CompositingStrategy.Offscreen
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},
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contentAlignment = Alignment.Center
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) {
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// Pre-render all animations to avoid lag
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Box(
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modifier = Modifier
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.fillMaxSize()
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.graphicsLayer {
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// Hardware layer for better performance
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renderEffect = null
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},
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modifier = modifier,
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contentAlignment = Alignment.Center
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) {
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// Rosetta icon (page 0) with pulse animation like splash screen
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if (currentPage == 0) {
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androidx.compose.animation.AnimatedVisibility(
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visible = currentPage == 0,
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enter = fadeIn(animationSpec = tween(200)),
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exit = fadeOut(animationSpec = tween(200))
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) {
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Box(contentAlignment = Alignment.Center) {
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val pulseScale by rememberInfiniteTransition(label = "pulse").animateFloat(
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initialValue = 1f,
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targetValue = 1.1f,
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@@ -418,7 +398,7 @@ fun AnimatedRosettaLogo(
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label = "pulseScale"
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)
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// Glow effect behind logo - same style as splash screen
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// Glow effect behind logo
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Box(
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modifier = Modifier
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.size(180.dp)
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@@ -429,7 +409,7 @@ fun AnimatedRosettaLogo(
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)
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)
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// Main logo - circular like splash screen
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// Main logo
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Image(
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painter = painterResource(id = R.drawable.rosetta_icon),
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contentDescription = "Rosetta Logo",
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@@ -438,114 +418,100 @@ fun AnimatedRosettaLogo(
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.clip(CircleShape)
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)
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}
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}
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// Fast page - idea animation (page 1)
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// Load adjacent pages for smooth swiping
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val shouldLoadIdea = currentPage in 0..2
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if (shouldLoadIdea) {
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// Idea animation (page 1)
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androidx.compose.animation.AnimatedVisibility(
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visible = currentPage == 1,
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enter = fadeIn(animationSpec = tween(200)),
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exit = fadeOut(animationSpec = tween(200))
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) {
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ideaComposition?.let { comp ->
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val lottieComp = comp as? com.airbnb.lottie.LottieComposition
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val progress by animateLottieCompositionAsState(
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composition = lottieComp,
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iterations = 1,
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isPlaying = currentPage == 1,
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speed = 1.2f // Faster for smoother perception
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isPlaying = true,
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speed = 1.5f
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)
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if (currentPage == 1) {
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LottieAnimation(
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composition = lottieComp,
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progress = { progress },
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modifier = Modifier
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.fillMaxSize()
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.graphicsLayer {
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// Hardware acceleration for smooth rendering
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compositingStrategy = androidx.compose.ui.graphics.CompositingStrategy.Offscreen
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},
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modifier = Modifier.fillMaxSize(),
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maintainOriginalImageBounds = true
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)
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}
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}
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}
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// Free page - money animation (page 2)
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val shouldLoadMoney = currentPage in 1..3
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if (shouldLoadMoney) {
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// Money animation (page 2)
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androidx.compose.animation.AnimatedVisibility(
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visible = currentPage == 2,
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enter = fadeIn(animationSpec = tween(200)),
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exit = fadeOut(animationSpec = tween(200))
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) {
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moneyComposition?.let { comp ->
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val lottieComp = comp as? com.airbnb.lottie.LottieComposition
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val progress by animateLottieCompositionAsState(
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composition = lottieComp,
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iterations = 1,
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isPlaying = currentPage == 2,
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speed = 1.2f
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isPlaying = true,
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speed = 1.5f
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)
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if (currentPage == 2) {
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LottieAnimation(
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composition = lottieComp,
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progress = { progress },
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modifier = Modifier
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.fillMaxSize()
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.graphicsLayer {
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compositingStrategy = androidx.compose.ui.graphics.CompositingStrategy.Offscreen
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},
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modifier = Modifier.fillMaxSize(),
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maintainOriginalImageBounds = true
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)
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}
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}
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}
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// Secure page - lock animation (page 3)
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val shouldLoadLock = currentPage in 2..4
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if (shouldLoadLock) {
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// Lock animation (page 3)
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androidx.compose.animation.AnimatedVisibility(
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visible = currentPage == 3,
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enter = fadeIn(animationSpec = tween(200)),
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exit = fadeOut(animationSpec = tween(200))
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) {
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lockComposition?.let { comp ->
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val lottieComp = comp as? com.airbnb.lottie.LottieComposition
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val progress by animateLottieCompositionAsState(
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composition = lottieComp,
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iterations = 1,
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isPlaying = currentPage == 3,
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speed = 1.2f
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isPlaying = true,
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speed = 1.5f
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)
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if (currentPage == 3) {
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LottieAnimation(
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composition = lottieComp,
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progress = { progress },
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modifier = Modifier
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.fillMaxSize()
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.graphicsLayer {
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compositingStrategy = androidx.compose.ui.graphics.CompositingStrategy.Offscreen
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},
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modifier = Modifier.fillMaxSize(),
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maintainOriginalImageBounds = true
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)
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}
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}
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}
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// Private page - book animation (page 4)
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val shouldLoadBook = currentPage in 3..4
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if (shouldLoadBook) {
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// Book animation (page 4)
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androidx.compose.animation.AnimatedVisibility(
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visible = currentPage == 4,
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enter = fadeIn(animationSpec = tween(200)),
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exit = fadeOut(animationSpec = tween(200))
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) {
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bookComposition?.let { comp ->
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val lottieComp = comp as? com.airbnb.lottie.LottieComposition
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val progress by animateLottieCompositionAsState(
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composition = lottieComp,
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iterations = 1,
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isPlaying = currentPage == 4,
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speed = 1.2f
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isPlaying = true,
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speed = 1.5f
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)
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if (currentPage == 4) {
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LottieAnimation(
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composition = lottieComp,
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progress = { progress },
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modifier = Modifier
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.fillMaxSize()
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.graphicsLayer {
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compositingStrategy = androidx.compose.ui.graphics.CompositingStrategy.Offscreen
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},
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modifier = Modifier.fillMaxSize(),
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maintainOriginalImageBounds = true
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)
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}
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}
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}
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}
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}
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}
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@Composable
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