From c2bab110d6cfc1ad4fb0d6207c7de514a28ae1d5 Mon Sep 17 00:00:00 2001
From: Jay <jays2kings@gmail.com>
Date: Sun, 3 May 2020 13:01:51 -0400
Subject: [PATCH] Fixed translucent 2/3 button nav bar on android 10

---
 .../eu/kanade/tachiyomi/ui/reader/ReaderChapterSheet.kt     | 6 ++++--
 app/src/main/res/values/themes.xml                          | 1 +
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderChapterSheet.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderChapterSheet.kt
index cc7ff3617d..90bf64365a 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderChapterSheet.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/reader/ReaderChapterSheet.kt
@@ -73,8 +73,10 @@ class ReaderChapterSheet @JvmOverloads constructor(context: Context, attrs: Attr
                 backgroundTintList =
                     ColorStateList.valueOf(lerpColor(primary, fullPrimary, trueProgress))
                 chapter_recycler.alpha = trueProgress
-                if (activity.sheetManageNavColor) activity.window.navigationBarColor =
-                    lerpColor(ColorUtils.setAlphaComponent(primary, 0), primary, trueProgress)
+                if (activity.sheetManageNavColor && progress > 0f) {
+                    activity.window.navigationBarColor =
+                        lerpColor(ColorUtils.setAlphaComponent(primary, 0), primary, trueProgress)
+                }
             }
 
             override fun onStateChanged(p0: View, state: Int) {
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index a4cc42f6e1..fc1bfdeb63 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -8,6 +8,7 @@
 
     <style name="Theme.Base" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <item name="android:forceDarkAllowed" tools:targetApi="29">false</item>
+        <item name="android:enforceNavigationBarContrast" tools:targetApi="29">false</item>
         <item name="android:windowDrawsSystemBarBackgrounds">true</item>
         <item name="colorPrimary">@color/app_color_primary</item>
         <item name="colorPrimaryVariant">@color/colorPrimary</item>