- sharedAnimationSpec added.

Author: commandiron

animatable-compose/src/main/java/com/commandiron/animatable_compose/state/AnimatableState.kt

@@ -16,28 +16,61 @@ import kotlin.math.absoluteValue
 
 @Composable
 fun rememberSharedAnimatableState(
-    animatableStates: List<AnimatableState>
+    animatableStates: List<AnimatableState>,
+    toTargetAnimationSpec: AnimationSpec<Float>? = null,
+    toInitialAnimationSpec: AnimationSpec<Float>? = null,
 ): SharedAnimatableState {
     return remember {
         SharedAnimatableState(
-            animatableStates = animatableStates
+            animatableStates = animatableStates,
+            toTargetAnimationSpec = toTargetAnimationSpec,
+            toInitialAnimationSpec = toInitialAnimationSpec
         )
     }
 }
 
 data class SharedAnimatableState(
-    private val animatableStates: List<AnimatableState>
+    private var animatableStates: List<AnimatableState>,
+    private val toTargetAnimationSpec: AnimationSpec<Float>? = null,
+    private val toInitialAnimationSpec: AnimationSpec<Float>? = null,
 ) {
+    private val states by mutableStateOf(
+        if(toTargetAnimationSpec != null && toInitialAnimationSpec != null) {
+            animatableStates.map {
+                it.copy(
+                    toTargetAnimationSpec = toTargetAnimationSpec,
+                    toInitialAnimationSpec = toInitialAnimationSpec
+                )
+            }
+        } else {
+            if(toTargetAnimationSpec != null && toInitialAnimationSpec == null) {
+                animatableStates.map {
+                    it.copy(
+                        toTargetAnimationSpec = toTargetAnimationSpec
+                    )
+                }
+            } else if(toTargetAnimationSpec == null && toInitialAnimationSpec != null) {
+                animatableStates.map {
+                    it.copy(
+                        toTargetAnimationSpec = toTargetAnimationSpec
+                    )
+                }
+            } else {
+                animatableStates
+            }
+        }
+    )
+
     fun getState(
         animatableStateTag: AnimatableStateTag,
         index: Int
     ): AnimatableState? {
-        val states = animatableStates.filter { it.animatableStateTag == animatableStateTag }
-        return states.getOrNull(index)
+        val filteredStates = states.filter { it.animatableStateTag == animatableStateTag }
+        return filteredStates.getOrNull(index)
     }
 
     fun animate() {
-        animatableStates.forEach { it.animate() }
+        states.forEach { it.animate() }
     }
 
     fun animateToTarget() {

app/src/main/java/com/commandiron/animatablecompose/Show4AnimatableCardWithText.kt

@@ -1,7 +1,6 @@
 package com.commandiron.animatablecompose
 
-import androidx.compose.animation.core.Spring
-import androidx.compose.animation.core.spring
+import androidx.compose.animation.core.*
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxSize
@@ -26,19 +25,18 @@ fun Show4AnimatableCardWithText() {
         initialSize = DpSize(width = 50.dp, height = 25.dp),
         targetSize = DpSize(width = 300.dp, height = 150.dp),
         initialShape = CircleShape,
-        targetShape = RoundedCornerShape(16.dp),
-        toTargetAnimationSpec = spring(Spring.DampingRatioHighBouncy, Spring.StiffnessVeryLow)
+        targetShape = RoundedCornerShape(16.dp)
     )
     val animatableTextState = rememberAnimatableTextState(
         initialFontSize = 4.sp,
-        targetFontSize = 36.sp,
-        toTargetAnimationSpec = spring(Spring.DampingRatioHighBouncy, Spring.StiffnessVeryLow)
+        targetFontSize = 36.sp
     )
     val sharedAnimatableState = rememberSharedAnimatableState(
-        listOf(
+        animatableStates = listOf(
             animatableCardState,
             animatableTextState
-        )
+        ),
+        toTargetAnimationSpec = infiniteRepeatable(tween(1000), RepeatMode.Reverse)
     )
     Box(
         modifier = Modifier