fix minor bug

Development/app/src/main/res/layout/activity_login.xml

@@ -69,4 +69,13 @@
         android:layout_alignParentRight="true"
         android:layout_alignParentEnd="false"
         android:layout_below="@+id/text_port"/>
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        style="@style/BackGroundImageView"
+        android:layout_marginTop="15dp"
+        android:id="@+id/imageView"
+        android:layout_below="@+id/button_ipAddress"
+        android:layout_centerHorizontal="true"/>
 </RelativeLayout>
\ No newline at end of file

Development/app/src/main/res/layout/activity_read__qr__code.xml

@@ -84,4 +84,13 @@
         >
     </Button>
 
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        style="@style/BackGroundImageView"
+        android:layout_marginTop="15dp"
+        android:id="@+id/imageView"
+        android:layout_below="@+id/Scanner"
+        android:layout_centerHorizontal="true"/>
+
 </RelativeLayout>
\ No newline at end of file

Development/app/src/main/res/values/styles.xml

 <resources>
     <style name="AppTheme" parent="Theme.AppCompat.Light" />
+    <style name="BackGroundImageView">
+        <item name="android:alpha">0.5</item>
+        <item name="android:scaleType">fitXY</item>
+        <item name="android:src">@drawable/background</item>
+    </style>
 </resources>