Fixed colours for icons to tell the user that canteen offers are hidden or that they have no events; added tooltips to buttons in canteen fragment; edited README.md to use new iamge paths

app/src/main/java/com/denizk0461/weserplaner/adapter/CanteenOfferItemAdapter.kt

@@ -116,7 +116,7 @@ class CanteenOfferItemAdapter(
             val img = ItemIconBinding.inflate(LayoutInflater.from(context))
 
             // Retrieve data for the dietary preference
-            val (_, drawableId, colourId) = DietaryPreferences.getData(
+            val (drawableTextDesc, drawableId, colourId) = DietaryPreferences.getData(
                 DietaryPreferences.ERROR.ordinal,
             )
 
@@ -128,6 +128,9 @@ class CanteenOfferItemAdapter(
                 )
             )
 
+            // Set content description for the icon
+            img.imageView.contentDescription = context.getString(drawableTextDesc)
+
             // Set tint of the icon; themed to the preference, if the user has the option enabled
             img.imageView.imageTintList = ColorStateList.valueOf(
                 context.theme.getThemedColor(
@@ -181,7 +184,7 @@ class CanteenOfferItemAdapter(
                     val img = ItemIconBinding.inflate(LayoutInflater.from(context))
 
                     // Retrieve data for the dietary preference
-                    val (_, drawableId, colourId) = DietaryPreferences.getData(index)
+                    val (drawableTextDesc, drawableId, colourId) = DietaryPreferences.getData(index)
 
                     // Set the appropriate icon
                     img.imageView.setImageDrawable(
@@ -191,6 +194,9 @@ class CanteenOfferItemAdapter(
                         )
                     )
 
+                    // Set content description for the icon
+                    img.imageView.contentDescription = context.getString(drawableTextDesc)
+
                     // Set tint of the icon
                     img.imageView.imageTintList = ColorStateList.valueOf(
                         context.theme.getThemedColor(

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

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/snackbar_container"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -56,7 +57,9 @@
                     app:layout_constraintTop_toTopOf="@id/app_title_bar"
                     app:layout_constraintBottom_toBottomOf="@id/app_title_bar"
                     app:layout_constraintEnd_toStartOf="@id/button_notifications"
-                    app:iconTint="?attr/colorOnSurfaceVariant"/>
+                    app:iconTint="?attr/colorOnSurfaceVariant"
+                    tools:ignore="UnusedAttribute"
+                    android:tooltipText="@string/canteen_button_opening_hours_hint"/>
 
                 <com.google.android.material.button.MaterialButton
                     style="@style/Widget.Material3.Button.IconButton.Outlined"
@@ -70,7 +73,9 @@
                     app:layout_constraintTop_toTopOf="@id/app_title_bar"
                     app:layout_constraintBottom_toBottomOf="@id/app_title_bar"
                     app:layout_constraintEnd_toEndOf="parent"
-                    app:iconTint="?attr/colorOnSurfaceVariant"/>
+                    app:iconTint="?attr/colorOnSurfaceVariant"
+                    tools:ignore="UnusedAttribute"
+                    android:tooltipText="@string/canteen_button_notifications_hint"/>
 
             </androidx.constraintlayout.widget.ConstraintLayout>
 
@@ -245,11 +250,6 @@
             android:layout_height="match_parent"
             android:orientation="vertical">
 
-<!--            <TextView-->
-<!--                android:layout_width="wrap_content"-->
-<!--                android:layout_height="wrap_content"-->
-<!--                android:text="TEST TEST TEST TEST ABC 123 !!!"/>-->
-
             <androidx.viewpager2.widget.ViewPager2
                 android:id="@+id/view_pager"
                 android:layout_width="match_parent"

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

@@ -54,13 +54,14 @@
         android:layout_gravity="center_horizontal"
         android:layout_marginTop="4dp">
 
-        <ImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:layout_width="20dp"
             android:layout_height="20dp"
             android:layout_marginHorizontal="4dp"
             android:scaleType="centerInside"
-            app:tint="?attr/colorText"
-            android:src="@drawable/visibility_off"/>
+            android:tint="?attr/colorText"
+            android:src="@drawable/visibility_off"
+            android:importantForAccessibility="no"/>
 
         <TextView
             android:id="@+id/text_difference"

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

@@ -2,7 +2,6 @@
 <androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:paddingHorizontal="8dp"
     android:paddingVertical="4dp"
     android:orientation="vertical">
@@ -62,13 +61,14 @@
         android:layout_gravity="center_horizontal"
         android:layout_marginTop="4dp">
 
-        <ImageView
+        <androidx.appcompat.widget.AppCompatImageView
             android:layout_width="20dp"
             android:layout_height="20dp"
             android:layout_marginHorizontal="4dp"
             android:scaleType="centerInside"
-            app:tint="?attr/colorText"
-            android:src="@drawable/edit_off"/>
+            android:tint="?attr/colorText"
+            android:src="@drawable/edit_off"
+            android:importantForAccessibility="no"/>
 
         <TextView
             android:id="@+id/text_no_events"

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

@@ -1,14 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="20dp"
     android:layout_height="20dp">
 
-    <ImageView
+    <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/image_view"
         android:layout_width="20dp"
         android:layout_height="20dp"
         android:scaleType="centerInside"
-        app:tint="?attr/colorOnSurfaceVariant" />
+        android:tint="?attr/colorOnSurfaceVariant"/>
 
 </androidx.appcompat.widget.LinearLayoutCompat>

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

@@ -2,16 +2,16 @@
 <androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:orientation="horizontal">
 
-    <ImageView
+    <androidx.appcompat.widget.AppCompatImageView
         android:id="@+id/preference_image"
         android:layout_width="20dp"
         android:layout_height="20dp"
         android:scaleType="centerInside"
-        app:tint="?attr/colorOnSurfaceVariant"
-        android:layout_marginEnd="8dp"/>
+        android:tint="?attr/colorOnSurfaceVariant"
+        android:layout_marginEnd="8dp"
+        android:importantForAccessibility="no"/>
 
     <TextView
         android:id="@+id/preference_text"

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

@@ -73,6 +73,9 @@
     <string name="sheet_schedule_update_time_dialog_start_hint">Startzeit der Veranstaltung</string>
     <string name="sheet_schedule_update_time_dialog_end_hint">Schlusszeit der Veranstaltung</string>
 
+    <string name="canteen_button_opening_hours_hint">Siehe Öffnungszeiten der Mensa</string>
+    <string name="canteen_button_notifications_hint">Siehe Neuigkeiten der Mensa</string>
+
     <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>

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

@@ -75,6 +75,9 @@
     <string name="sheet_schedule_update_time_dialog_start_hint">Event start time</string>
     <string name="sheet_schedule_update_time_dialog_end_hint">Event end time</string>
 
+    <string name="canteen_button_opening_hours_hint">View canteen opening hours</string>
+    <string name="canteen_button_notifications_hint">View canteen notifications</string>
+
     <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>