nickbutcher

/* Copyright 2019 Google LLC.	
   SPDX-License-Identifier: Apache-2.0 */
fun animateVisibility(view: View, visible: Boolean) {
  val targetAlpha = if (visible) 1f else 0f
  if (view.alpha == targetAlpha) return
  view.visibility = View.VISIBLE
  val spring = view.spring(SpringAnimation.ALPHA)

  (view.getTag(R.id.tag_pending_end_listener) as?
        DynamicAnimation.OnAnimationEndListener)?.let {

orhanobut

// Slide up animation

<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" >

    <translate
        android:duration="@android:integer/config_mediumAnimTime"
        android:fromYDelta="100%"
        android:interpolator="@android:anim/accelerate_interpolator"
        android:toXDelta="0" />