diff --git a/data/src/main/java/one/nem/kidshift/data/UserSettings.java b/data/src/main/java/one/nem/kidshift/data/UserSettings.java
index 0398e56..517306f 100644
--- a/data/src/main/java/one/nem/kidshift/data/UserSettings.java
+++ b/data/src/main/java/one/nem/kidshift/data/UserSettings.java
@@ -7,10 +7,14 @@ public interface UserSettings {
 
     interface ApiSetting {
         String getApiBaseUrl();
+        void setApiBaseUrl(String url);
     }
 
     interface TaskSetting {
         int getDefaultIconColor();
+        void setDefaultIconColor(int color);
         String getDefaultIconEmoji();
+        void setDefaultIconEmoji(String emoji);
+
     }
 }
diff --git a/data/src/main/java/one/nem/kidshift/data/impl/UserSettingsDummyImpl.java b/data/src/main/java/one/nem/kidshift/data/impl/UserSettingsDummyImpl.java
index 8a93d69..2386b07 100644
--- a/data/src/main/java/one/nem/kidshift/data/impl/UserSettingsDummyImpl.java
+++ b/data/src/main/java/one/nem/kidshift/data/impl/UserSettingsDummyImpl.java
@@ -28,6 +28,11 @@ public class UserSettingsDummyImpl implements UserSettings {
         public String getApiBaseUrl() {
             return "https://kidshift-beta.nem.one/";
         }
+
+        @Override
+        public void setApiBaseUrl(String url) {
+
+        }
     }
 
     public class TaskSettingImpl implements UserSettings.TaskSetting {
@@ -36,9 +41,19 @@ public class UserSettingsDummyImpl implements UserSettings {
             return Color.parseColor("#FF0000");
         }
 
+        @Override
+        public void setDefaultIconColor(int color) {
+
+        }
+
         @Override
         public String getDefaultIconEmoji() {
             return "🤔";
         }
+
+        @Override
+        public void setDefaultIconEmoji(String emoji) {
+
+        }
     }
 }