From 5ad8621d35c361df406254610ac4b2a3f365f4a1 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Wed, 18 Jul 2018 02:31:52 +0200
Subject: fab: use auto calculated fling threshold

---
 .../android/widget/CustomRecyclerViewScrollListener.java      | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/com/wireguard/android/widget/CustomRecyclerViewScrollListener.java b/app/src/main/java/com/wireguard/android/widget/CustomRecyclerViewScrollListener.java
index 2660179f..dfdfd513 100644
--- a/app/src/main/java/com/wireguard/android/widget/CustomRecyclerViewScrollListener.java
+++ b/app/src/main/java/com/wireguard/android/widget/CustomRecyclerViewScrollListener.java
@@ -8,21 +8,26 @@ package com.wireguard.android.widget;
 
 import android.support.v7.widget.RecyclerView;
 
+import com.wireguard.android.R;
+
 public abstract class CustomRecyclerViewScrollListener extends RecyclerView.OnScrollListener {
 
     private int scrollDist;
     private boolean isVisible = true;
-    private static final float FLING_THRESHOLD = 25;
+    private static int flingThreshold;
 
     @Override
     public void onScrolled(final RecyclerView recyclerView, final int dx, final int dy) {
         super.onScrolled(recyclerView, dx, dy);
 
-        if (isVisible && scrollDist > FLING_THRESHOLD) {
+        if (flingThreshold == 0)
+            flingThreshold = recyclerView.getResources().getDimensionPixelSize(R.dimen.design_fab_size_normal) / 2;
+
+        if (isVisible && scrollDist >= flingThreshold) {
             hide();
             scrollDist = 0;
             isVisible = false;
-        } else if (!isVisible && scrollDist < -FLING_THRESHOLD) {
+        } else if (!isVisible && scrollDist <= -flingThreshold) {
             show();
             scrollDist = 0;
             isVisible = true;
-- 
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