From: Po Lu <luangruo@yahoo.com>
Date: Fri, 10 Feb 2023 11:06:38 +0000 (+0800)
Subject: Fix buffer swapping on Android 7.1 and earlier
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=664140fc26240726f6ec9babe7deb633dd8c0bd2;p=emacs.git

Fix buffer swapping on Android 7.1 and earlier

* java/org/gnu/emacs/EmacsSurfaceView.java
(reconfigureFrontBuffer): Don't use function only present on
Android 8.0 and later.
---

diff --git a/java/org/gnu/emacs/EmacsSurfaceView.java b/java/org/gnu/emacs/EmacsSurfaceView.java
index e9bae623930..2d80be0881a 100644
--- a/java/org/gnu/emacs/EmacsSurfaceView.java
+++ b/java/org/gnu/emacs/EmacsSurfaceView.java
@@ -79,10 +79,16 @@ public class EmacsSurfaceView extends View
 
     if (bitmap != null && frontBuffer == null)
       {
-	frontBuffer = Bitmap.createBitmap (bitmap.getWidth (),
-					   bitmap.getHeight (),
-					   Bitmap.Config.ARGB_8888,
-					   false);
+	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+	  frontBuffer = Bitmap.createBitmap (bitmap.getWidth (),
+					     bitmap.getHeight (),
+					     Bitmap.Config.ARGB_8888,
+					     false);
+	else
+	  frontBuffer = Bitmap.createBitmap (bitmap.getWidth (),
+					     bitmap.getHeight (),
+					     Bitmap.Config.ARGB_8888);
+
 	bitmapCanvas = new Canvas (frontBuffer);
 
 	/* And copy over the bitmap contents.  */