gui

app/src/main/res/layout/activity_main.xml

@@ -106,7 +106,9 @@
                     android:text="@string/btn_refuse"
                     android:textAlignment="center"
                     android:textColor="#FFFFFF"
-                    android:textSize="15sp" />
+                    android:textSize="15sp"
+                    android:visibility="gone"
+                    />
             </LinearLayout>
             <LinearLayout
                 android:layout_width="wrap_content"
@@ -125,7 +127,9 @@
                     android:text="@string/btn_answer"
                     android:textAlignment="center"
                     android:textColor="#FFFFFF"
-                    android:textSize="15sp" />
+                    android:textSize="15sp"
+                    android:visibility="gone"
+                    />
             </LinearLayout>
         </RelativeLayout>