+ add logout function

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

@@ -11,6 +11,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:clickable="true"
+        android:focusable="true"
         android:foreground="?android:attr/selectableItemBackground"
         app:cardCornerRadius="5dp"
         app:cardElevation="0dp"
@@ -22,6 +23,7 @@
             android:id="@+id/background_module"
             android:layout_width="match_parent"
             android:layout_height="250dp"
+            android:gravity="center"
             android:orientation="vertical">
 
             <ImageView
@@ -37,7 +39,6 @@
                 android:layout_height="wrap_content"
                 android:gravity="center"
                 android:padding="5dp"
-                android:text="Goat"
                 android:textColor="@color/color_white"
                 android:textSize="20sp"
                 android:textStyle="bold" />