altosdroid: initial implementation of telemetry logging.

[fw/altos] / altosui / AltosUIPreferencesBackend.java

diff --git a/altosui/AltosUIPreferencesBackend.java b/altosui/AltosUIPreferencesBackend.java
index 1988e0b4ca3204b4925f87222f8e408e714d81be..3131fd3286ce917de9f3cf5c7eee1e23d5cc716f 100644 (file)
--- a/altosui/AltosUIPreferencesBackend.java
+++ b/altosui/AltosUIPreferencesBackend.java
@@ -17,9 +17,10 @@
 
 package altosui;
 
-import java.text.*;
+import java.io.File;
 import java.util.prefs.*;
 import org.altusmetrum.AltosLib.*;
+import javax.swing.filechooser.FileSystemView;
 
 public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
 
@@ -77,6 +78,7 @@ public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
                try {
                        return _preferences.keys();
                } catch (BackingStoreException be) {
+                       return null;
                }
        }
 
@@ -92,4 +94,8 @@ public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
                }
        }
 
+       public File homeDirectory() {
+               /* Use the file system view default directory */
+               return FileSystemView.getFileSystemView().getDefaultDirectory();
+       }
 }