From 3c919a645beed76834828e5509cdc2da507bb3b4 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Sun, 8 Dec 2019 10:48:49 +0100
Subject: [PATCH] Black navigation bar in dark theme

---
 .../main/java/eu/faircode/email/ActivityBase.java   | 13 +++++++++++++
 app/src/main/res/values/styles.xml                  |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/app/src/main/java/eu/faircode/email/ActivityBase.java b/app/src/main/java/eu/faircode/email/ActivityBase.java
index cfdabc92fe..5310ac7cff 100644
--- a/app/src/main/java/eu/faircode/email/ActivityBase.java
+++ b/app/src/main/java/eu/faircode/email/ActivityBase.java
@@ -25,9 +25,12 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.PowerManager;
 import android.view.MenuItem;
+import android.view.View;
+import android.view.Window;
 import android.view.WindowManager;
 import android.widget.Toast;
 
@@ -102,6 +105,16 @@ abstract class ActivityBase extends AppCompatActivity implements SharedPreferenc
                 else
                     setTheme(R.style.AppThemeGreyLight);
             }
+
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                boolean dark = Helper.isDarkTheme(this);
+                Window window = getWindow();
+                View view = window.getDecorView();
+                int flags = view.getSystemUiVisibility();
+                if (dark)
+                    flags &= ~View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR;
+                view.setSystemUiVisibility(flags);
+            }
         }
 
         prefs.registerOnSharedPreferenceChangeListener(this);
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index e9d51fa71c..4c5f33f986 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -70,6 +70,8 @@
         <item name="themeName">dark</item>
         <item name="android:windowDisablePreview">true</item>
 
+        <item name="android:navigationBarColor">@color/black</item>
+
         <item name="colorPrimary">@color/darkPrimary</item>
         <item name="colorPrimaryDark">@color/darkPrimaryDark</item>
         <item name="colorAccent">@color/colorAccent</item>