altosui: remove un-used import

[fw/altos] / altosui / AltosUIPreferencesBackend.java

diff --git a/altosui/AltosUIPreferencesBackend.java b/altosui/AltosUIPreferencesBackend.java
index 69485ba48725e9c1902f6d75187f70b0f1a03a74..210dcb8bb14cdebb536ce18fb29637ade64f038c 100644 (file)
--- a/altosui/AltosUIPreferencesBackend.java
+++ b/altosui/AltosUIPreferencesBackend.java
@@ -17,7 +17,6 @@
 
 package altosui;
 
-import java.text.*;
 import java.util.prefs.*;
 import org.altusmetrum.AltosLib.*;
 
@@ -74,7 +73,11 @@ public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
        }
 
        public String[] keys() {
-               return _preferences.keys();
+               try {
+                       return _preferences.keys();
+               } catch (BackingStoreException be) {
+                       return null;
+               }
        }
 
        public void remove(String key) {