From 4cdec667e5e40e18efdaccaaaa39145ca8495b55 Mon Sep 17 00:00:00 2001
From: "Erik C. Thauvin" <erik@thauvin.net>
Date: Wed, 16 Aug 2017 19:18:06 -0700
Subject: [PATCH] Fixed fabs disappearing on scroll.

---
 .../tesremoteprogrammer/widget/ScrollAwareFABBehavior.kt  | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/net/thauvin/erik/android/tesremoteprogrammer/widget/ScrollAwareFABBehavior.kt b/app/src/main/java/net/thauvin/erik/android/tesremoteprogrammer/widget/ScrollAwareFABBehavior.kt
index 50c112b..da93f30 100644
--- a/app/src/main/java/net/thauvin/erik/android/tesremoteprogrammer/widget/ScrollAwareFABBehavior.kt
+++ b/app/src/main/java/net/thauvin/erik/android/tesremoteprogrammer/widget/ScrollAwareFABBehavior.kt
@@ -41,7 +41,13 @@ class ScrollAwareFABBehavior() : FloatingActionButton.Behavior() {
                                 dyUnconsumed: Int) {
         super.onNestedScroll(coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed)
         if (dyConsumed > 0 && child!!.visibility == View.VISIBLE) {
-            child.hide()
+            // see: https://stackoverflow.com/a/42082313/5640587
+            child.hide(object : FloatingActionButton.OnVisibilityChangedListener() {
+                override fun onHidden(fab: FloatingActionButton?) {
+                    super.onHidden(fab)
+                    fab!!.visibility = View.INVISIBLE
+                }
+            })
         } else if (dyConsumed < 0 && child!!.visibility != View.VISIBLE) {
             child.show()
         }