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- package com.reactnativenavigation.views.element.animators
-
- import android.animation.Animator
- import android.animation.ObjectAnimator
- import android.view.View
- import android.view.ViewGroup
- import com.facebook.react.views.text.ReactTextView
- import com.reactnativenavigation.parse.SharedElementTransitionOptions
-
- class ScaleYAnimator(from: View, to: View) : PropertyAnimatorCreator<ViewGroup>(from, to) {
- override fun shouldAnimateProperty(fromChild: ViewGroup, toChild: ViewGroup): Boolean {
- return fromChild.childCount == 0 && toChild.childCount == 0
- }
-
- override fun excludedViews() = listOf(ReactTextView::class.java)
-
- override fun create(options: SharedElementTransitionOptions): Animator {
- return ObjectAnimator
- .ofFloat(to, View.SCALE_Y, from.height.toFloat() / to.height, 1f)
- .setDuration(options.getDuration())
- }
- }
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