From bd26b649f0bff41adf16ea8cbd7fc727e37552b1 Mon Sep 17 00:00:00 2001
From: Simon Vetter <simetist@gmail.com>
Date: Mon, 12 Aug 2024 11:04:54 +0200
Subject: [PATCH] Use system background for main activity in landscape

---
 .../gmail/simetist/stereophoniccalculator/MainActivity.kt   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/gmail/simetist/stereophoniccalculator/MainActivity.kt b/app/src/main/java/com/gmail/simetist/stereophoniccalculator/MainActivity.kt
index 143d6b6..433e159 100644
--- a/app/src/main/java/com/gmail/simetist/stereophoniccalculator/MainActivity.kt
+++ b/app/src/main/java/com/gmail/simetist/stereophoniccalculator/MainActivity.kt
@@ -27,6 +27,7 @@ import android.content.res.Configuration
 import android.graphics.Color
 import android.os.Bundle
 import android.util.Log
+import android.util.TypedValue
 import android.view.KeyEvent
 import android.view.View
 import android.view.ViewGroup
@@ -679,7 +680,10 @@ class MainActivity : AppCompatActivity() {
 				ViewGroup.LayoutParams.MATCH_PARENT
 			)
 			// Set background color for graphicsFrameLayout
-			graphicsViewLayout.setBackgroundColor(Color.BLACK)
+			val backgroundColorValue = TypedValue()
+			theme.resolveAttribute(android.R.attr.colorBackground, backgroundColorValue, true)
+			val backgroundColor = backgroundColorValue.data
+			graphicsViewLayout.setBackgroundColor(backgroundColor)
 		}
 		
 		graphicsView.resetCache()