Added functionality to view news for a canteen; fixed a bug that would prevent the offers from being fetched for canteens without news; BUG: news are still a bit buggy, check for crashes

app/src/main/res/drawable/notification.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M12,22c1.1,0 2,-0.9 2,-2h-4c0,1.1 0.89,2 2,2zM18,16v-5c0,-3.07 -1.64,-5.64 -4.5,-6.32L13.5,4c0,-0.83 -0.67,-1.5 -1.5,-1.5s-1.5,0.67 -1.5,1.5v0.68C7.63,5.36 6,7.92 6,11v5l-2,2v1h16v-1l-2,-2z"/>
+</vector>

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

@@ -17,23 +17,48 @@
             android:layout_height="wrap_content"
             android:orientation="vertical"
             app:layout_scrollFlags="scroll|exitUntilCollapsed">
-
-            <TextView
-                android:id="@+id/app_title_bar"
+            
+            <androidx.constraintlayout.widget.ConstraintLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:text="@string/title_food"
-                android:textSize="28sp"
-                android:fontFamily="@font/lato_bolditalic"
                 android:layout_marginHorizontal="16dp"
                 android:layout_marginTop="16dp"
-                android:layout_marginBottom="8dp"
-                android:singleLine="true"
-                android:ellipsize="marquee"
-                android:marqueeRepeatLimit="marquee_forever"
-                android:focusable="true"
-                android:focusableInTouchMode="true"
-                android:scrollHorizontally="true"/>
+                android:layout_marginBottom="8dp">
+
+                <TextView
+                    android:id="@+id/app_title_bar"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="@string/title_food"
+                    android:textSize="28sp"
+                    android:fontFamily="@font/lato_bolditalic"
+                    android:singleLine="true"
+                    android:ellipsize="marquee"
+                    android:marqueeRepeatLimit="marquee_forever"
+                    android:focusable="true"
+                    android:focusableInTouchMode="true"
+                    android:scrollHorizontally="true"
+                    app:layout_constraintTop_toTopOf="parent"
+                    app:layout_constraintBottom_toBottomOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintEnd_toStartOf="@id/button_notifications"/>
+
+                <com.google.android.material.button.MaterialButton
+                    style="@style/Widget.Material3.Button.TextButton"
+                    android:id="@+id/button_notifications"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:minWidth="0dp"
+                    android:layout_marginStart="8dp"
+                    app:icon="@drawable/notification"
+                    app:iconPadding="0dp"
+                    app:layout_constraintTop_toTopOf="parent"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintBottom_toBottomOf="parent"
+                    app:iconTint="?attr/colorOnSurfaceVariant"
+                    android:visibility="gone"/>
+                
+            </androidx.constraintlayout.widget.ConstraintLayout>
 
             <HorizontalScrollView
                 android:id="@+id/scroll_view_chip"
@@ -250,10 +275,4 @@
 
     </androidx.appcompat.widget.LinearLayoutCompat>
 
-<!--    <androidx.coordinatorlayout.widget.CoordinatorLayout-->
-<!--        android:id="@+id/snackbar_container"-->
-<!--        android:layout_width="0dp"-->
-<!--        android:layout_height="wrap_content"-->
-<!--        android:layout_gravity="bottom"/>-->
-
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -63,6 +63,7 @@
 
     <string name="canteen_no_offer_header">Kein Angebot</string>
     <string name="canteen_no_offer_desc">Für diesen Tag sind keine Angebote vorhanden</string>
+    <string name="canteen_news_sheet_title">Neuigkeiten für diese Mensa</string>
     <string name="canteen_fab_opening_hours_content_desc">Zeige Öffnungszeiten</string>
     <string name="canteen_fab_switch_canteen_content_desc">Wechsle Mensa</string>
     <string name="canteen_fab_refresh_content_desc">Aktualisiere Angebote</string>

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

@@ -64,6 +64,7 @@
 
     <string name="canteen_no_offer_header">No offers</string>
     <string name="canteen_no_offer_desc">There are no offers available for this day</string>
+    <string name="canteen_news_sheet_title">News for this canteen</string>
     <string name="canteen_fab_opening_hours_content_desc">Show opening hours</string>
     <string name="canteen_fab_switch_canteen_content_desc">Switch canteen</string>
     <string name="canteen_fab_refresh_content_desc">Refresh offers</string>