From ade5e1f1cab0a7a2678df2fbd4f161157ebd1279 Mon Sep 17 00:00:00 2001
From: Julian Winkler <julian.winkler1@web.de>
Date: Wed, 23 Oct 2024 16:35:58 +0200
Subject: [PATCH] Activity: set windowBackground on start

This overwrites the GTK window backgrounds and therefore makes theming
more consistent when GTK theme and Android theme doesn't match.
---
 src/api-impl/android/app/Activity.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/api-impl/android/app/Activity.java b/src/api-impl/android/app/Activity.java
index 87d4c75e..d76f62ac 100644
--- a/src/api-impl/android/app/Activity.java
+++ b/src/api-impl/android/app/Activity.java
@@ -8,6 +8,8 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageParser;
 import android.content.res.Configuration;
+import android.content.res.TypedArray;
+import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
@@ -170,6 +172,12 @@ public class Activity extends ContextThemeWrapper implements Window.Callback {
 			fragment.onStart();
 		}
 
+		TypedArray ta = obtainStyledAttributes(new int[] {R.attr.windowBackground});
+		Drawable background = ta.getDrawable(0);
+		if (background != null)
+			window.setBackgroundDrawable(background);
+		ta.recycle();
+
 		return;
 	}