diff --git a/app/src/main/java/net/mynero/wallet/service/PrefService.java b/app/src/main/java/net/mynero/wallet/service/PrefService.java
index 4f5d7ef..5116fc2 100644
--- a/app/src/main/java/net/mynero/wallet/service/PrefService.java
+++ b/app/src/main/java/net/mynero/wallet/service/PrefService.java
@@ -6,14 +6,38 @@ import android.content.SharedPreferences;
 import net.mynero.wallet.MoneroApplication;
 
 public class PrefService extends ServiceBase {
-    public static SharedPreferences instance = null;
+    public static SharedPreferences preferences = null;
+    public static PrefService instance = null;
 
     public PrefService(MoneroApplication application) {
         super(null);
-        instance = application.getSharedPreferences(application.getApplicationInfo().packageName, Context.MODE_PRIVATE);
+        preferences = application.getSharedPreferences(application.getApplicationInfo().packageName, Context.MODE_PRIVATE);
+        instance = this;
     }
 
-    public static SharedPreferences getInstance() {
+    public SharedPreferences.Editor edit() {
+        return preferences.edit();
+    }
+
+    public String getString(String key, String defaultValue) {
+        String value = preferences.getString(key, "");
+        if(value.isEmpty() && !defaultValue.isEmpty()) {
+            edit().putString(key, defaultValue).apply();
+            return defaultValue;
+        }
+        return value;
+    }
+
+    public boolean getBoolean(String key, boolean defaultValue) {
+        boolean value = preferences.getBoolean(key, false);
+        if(!value && defaultValue) {
+            edit().putBoolean(key, true).apply();
+            return true;
+        }
+        return value;
+    }
+
+    public static PrefService getInstance() {
         return instance;
     }
 }