altosui: add missing methods for Backend, fix BT code.

Signed-off-by: Mike Beattie <mike@ethernal.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/altosui/AltosUIPreferences.java b/altosui/AltosUIPreferences.java
index 03e8e129..6e4c9097 100644
--- a/altosui/AltosUIPreferences.java
+++ b/altosui/AltosUIPreferences.java
@@ -98,7 +98,7 @@ public class AltosUIPreferences extends AltosPreferences {
 		}
 	}
 	public static int font_size() {
-		synchronized (preferences) {
+		synchronized (backend) {
 			return font_size;
 		}
 	}
@@ -144,7 +144,7 @@ public class AltosUIPreferences extends AltosPreferences {
 	}
 
 	public static String look_and_feel() {
-		synchronized (preferences) {
+		synchronized (backend) {
 			return look_and_feel;
 		}
 	}
@@ -170,7 +170,7 @@ public class AltosUIPreferences extends AltosPreferences {
 	}
 
 	public static boolean serial_debug() {
-		synchronized (preferences) {
+		synchronized (backend) {
 			return serial_debug;
 		}
 	}