From f13e716b6f09da57210932ccc524183a1a11269d Mon Sep 17 00:00:00 2001
From: Luca Stefani <luca.stefani.ge1@gmail.com>
Date: Fri, 12 Oct 2018 21:49:35 +0200
Subject: [PATCH] Settings: Check if we have any color modes declared in
 overlay

* Checking for wide gamut support isn't always enough

Change-Id: Ic7257e37f2eca97450eaf0ca1e330de7596352be
---
 .../settings/display/ColorModePreferenceController.java        | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/com/android/settings/display/ColorModePreferenceController.java b/src/com/android/settings/display/ColorModePreferenceController.java
index 2fa3452528b..311d86853ca 100644
--- a/src/com/android/settings/display/ColorModePreferenceController.java
+++ b/src/com/android/settings/display/ColorModePreferenceController.java
@@ -52,8 +52,11 @@ public class ColorModePreferenceController extends BasePreferenceController
 
     @Override
     public int getAvailabilityStatus() {
+        final int[] availableColorModes = mContext.getResources().getIntArray(
+                com.android.internal.R.array.config_availableColorModes);
         return mContext.getSystemService(ColorDisplayManager.class)
                 .isDeviceColorManaged()
+                && availableColorModes.length > 0
                 && !ColorDisplayManager.areAccessibilityTransformsEnabled(mContext) ?
                 AVAILABLE : DISABLED_FOR_USER;
     }