From a8a07f1f40ba534fee0658addebbe0de5c9de190 Mon Sep 17 00:00:00 2001
From: Winson Chung <winsonc@google.com>
Date: Wed, 29 Jul 2020 09:26:47 -0700
Subject: [PATCH] Only apply back gesture device config if there are existing
 insets

Bug: 161995292
Test: Change navigation modes and verify the insets are correct
Change-Id: I4d940099b7fdc00c129f60dc6b3d0cb470b7f42e
---
 .../internal/policy/GestureNavigationSettingsObserver.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/core/java/com/android/internal/policy/GestureNavigationSettingsObserver.java b/core/java/com/android/internal/policy/GestureNavigationSettingsObserver.java
index 0e703fa686e04..205c5fd735eac 100644
--- a/core/java/com/android/internal/policy/GestureNavigationSettingsObserver.java
+++ b/core/java/com/android/internal/policy/GestureNavigationSettingsObserver.java
@@ -103,8 +103,11 @@ public class GestureNavigationSettingsObserver extends ContentObserver {
         final DisplayMetrics dm = userRes.getDisplayMetrics();
         final float defaultInset = userRes.getDimension(
                 com.android.internal.R.dimen.config_backGestureInset) / dm.density;
-        final float backGestureInset = DeviceConfig.getFloat(DeviceConfig.NAMESPACE_SYSTEMUI,
-                BACK_GESTURE_EDGE_WIDTH, defaultInset);
+        // Only apply the back gesture config if there is an existing inset
+        final float backGestureInset = defaultInset > 0
+                ? DeviceConfig.getFloat(DeviceConfig.NAMESPACE_SYSTEMUI,
+                        BACK_GESTURE_EDGE_WIDTH, defaultInset)
+                : defaultInset;
         final float inset = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, backGestureInset,
                 dm);
         final float scale = Settings.Secure.getFloatForUser(