Created
April 25, 2024 17:16
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Card Flip Animation using Jetpack Compose
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| package com.vishal2376.animations.ui.theme | |
| import androidx.compose.animation.animateColorAsState | |
| import androidx.compose.animation.core.EaseInOut | |
| import androidx.compose.animation.core.animateFloatAsState | |
| import androidx.compose.animation.core.tween | |
| import androidx.compose.foundation.background | |
| import androidx.compose.foundation.clickable | |
| import androidx.compose.foundation.layout.Arrangement | |
| import androidx.compose.foundation.layout.Box | |
| import androidx.compose.foundation.layout.Column | |
| import androidx.compose.foundation.layout.Spacer | |
| import androidx.compose.foundation.layout.fillMaxSize | |
| import androidx.compose.foundation.layout.height | |
| import androidx.compose.foundation.layout.size | |
| import androidx.compose.foundation.shape.RoundedCornerShape | |
| import androidx.compose.material3.Text | |
| import androidx.compose.runtime.Composable | |
| import androidx.compose.runtime.getValue | |
| import androidx.compose.runtime.mutableStateOf | |
| import androidx.compose.runtime.remember | |
| import androidx.compose.runtime.setValue | |
| import androidx.compose.ui.Alignment | |
| import androidx.compose.ui.Modifier | |
| import androidx.compose.ui.draw.clip | |
| import androidx.compose.ui.graphics.Color | |
| import androidx.compose.ui.graphics.graphicsLayer | |
| import androidx.compose.ui.tooling.preview.Preview | |
| import androidx.compose.ui.unit.dp | |
| @Preview | |
| @Composable | |
| fun FlipAnimation() { | |
| var isCardFlipped by remember { mutableStateOf(false) } | |
| val animDuration = 900 | |
| val zAxisDistance = 10f //distance between camera and Card | |
| val frontColor by animateColorAsState( | |
| targetValue = if (isCardFlipped) Color(0xFF789FFF) else Color(0xFF282A31), | |
| animationSpec = tween(durationMillis = animDuration, easing = EaseInOut), | |
| label = "" | |
| ) | |
| // rotate Y-axis with animation | |
| val rotateCardY by animateFloatAsState( | |
| targetValue = if (isCardFlipped) 180f else 0f, | |
| animationSpec = tween(durationMillis = animDuration, easing = EaseInOut), | |
| label = "" | |
| ) | |
| // text animation | |
| val textAlpha by animateFloatAsState( | |
| targetValue = if (isCardFlipped) 0f else 1f, | |
| tween(durationMillis = 1500), | |
| label = "" | |
| ) | |
| Column( | |
| modifier = Modifier | |
| .fillMaxSize() | |
| .background(Color.White), | |
| verticalArrangement = Arrangement.Center, | |
| horizontalAlignment = Alignment.CenterHorizontally | |
| ) { | |
| Box( | |
| modifier = Modifier | |
| .size(200.dp, 300.dp) | |
| .graphicsLayer { | |
| rotationY = rotateCardY | |
| cameraDistance = zAxisDistance | |
| } | |
| .clip(RoundedCornerShape(24.dp)) | |
| .clickable { isCardFlipped = !isCardFlipped } | |
| .background(frontColor) | |
| ) | |
| Spacer(modifier = Modifier.height(32.dp)) | |
| Text( | |
| modifier = Modifier.graphicsLayer { | |
| alpha = if (isCardFlipped) 1f - textAlpha else textAlpha | |
| }, | |
| text = if (isCardFlipped) "Reveal" else "Hide", | |
| color = Color.Black, | |
| ) | |
| } | |
| } |
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