Code cleanup, spelling correction

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

@@ -10,7 +10,8 @@
         android:layout_width="18dp"
         android:layout_height="18dp"
         android:layout_gravity="center_vertical"
-        android:src="@drawable/ic_keyboard_arrow_right_black_18dp" />
+        android:src="@drawable/ic_keyboard_arrow_right_black_18dp"
+        android:contentDescription="@string/arrow" />
 
     <TextView
         android:id="@+id/tv_name"

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

@@ -46,6 +46,6 @@
         android:textSize="12sp"
         android:layout_alignParentEnd="true"
         android:layout_alignParentRight="true"
-        tools:text="Raum 105"
+        tools:text="Room 105"
         tools:ignore="RelativeOverlap" />
 </RelativeLayout>

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

@@ -26,27 +26,27 @@
             android:src="@mipmap/ic_vegan"
             android:id="@+id/icon_vegan"
             android:visibility="gone"
-            />
+            android:contentDescription="@string/vegan" />
         <ImageView
             android:layout_width="30dp"
             android:layout_height="30dp"
             android:src="@mipmap/ic_vegetarian"
             android:id="@+id/icon_vegetarian"
             android:visibility="gone"
-            />
+            android:contentDescription="@string/vegetarian" />
         <ImageView
             android:layout_width="30dp"
             android:layout_height="30dp"
             android:src="@mipmap/ic_msc"
             android:id="@+id/icon_msc"
             android:visibility="gone"
-            />
+            android:contentDescription="@string/msc" />
         <ImageView
             android:layout_width="30dp"
             android:layout_height="30dp"
-            android:src="@mipmap/ic_bio"
-            android:id="@+id/icon_bio"
+            android:src="@mipmap/ic_organic"
+            android:id="@+id/icon_organic"
             android:visibility="gone"
-            />
+            android:contentDescription="@string/bio" />
     </LinearLayout>
 </RelativeLayout>

app/src/main/res/values-de/strings.xml

@@ -63,4 +63,8 @@
     <string name="invalid_credentials">Ungültiger Benutzername oder Password!</string>
     <string name="error_occurred_code">Fehler %1$d aufgetreten!</string>
     <string name="no_price_available">Kein Preis verfügbar!</string>
+    <string name="arrow">Pfeil</string>
+    <string name="vegan">Vegan</string>
+    <string name="vegetarian">Vegetarisch</string>
+    <string name="bio">Aus biologischem Anbau</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -70,4 +70,9 @@
     <string name="invalid_credentials">Invalid username or password!</string>
     <string name="error_occurred_code">Error occurred: %1$d</string>
     <string name="no_price_available">No price available!</string>
+    <string name="arrow">Arrow</string>
+    <string name="vegan">Vegan</string>
+    <string name="vegetarian">Vegetarian</string>
+    <string name="bio">Organic Food</string>
+    <string name="msc" translatable="false">MSC</string>
 </resources>