Fix: a18y (#413)

* image descriptions

* brought the main overview back

* added "Button" to submission dispatcher cards

* fix button icon a18y, button is now also announced

Corona-Warn-App/src/main/res/layout/fragment_main_overview.xml

@@ -93,10 +93,10 @@
 
                         <TextView
                             style="@style/headline6"
-                            android:accessibilityHeading="true"
                             android:layout_width="0dp"
                             android:layout_height="wrap_content"
                             android:layout_marginStart="@dimen/guideline_body_title"
+                            android:accessibilityHeading="true"
                             android:text="@string/main_overview_subtitle_risk_levels"
                             app:layout_constraintEnd_toEndOf="parent"
                             app:layout_constraintStart_toStartOf="parent"
@@ -174,10 +174,10 @@
 
                         <TextView
                             style="@style/headline5"
-                            android:accessibilityHeading="true"
                             android:layout_width="0dp"
                             android:layout_height="wrap_content"
                             android:layout_marginStart="@dimen/guideline_body_title"
+                            android:accessibilityHeading="true"
                             android:text="@string/main_overview_headline_glossary"
                             app:layout_constraintEnd_toEndOf="parent"
                             app:layout_constraintStart_toStartOf="parent"

Corona-Warn-App/src/main/res/layout/fragment_risk_details.xml

@@ -9,6 +9,8 @@
 
         <import type="de.rki.coronawarnapp.util.formatter.FormatterRiskHelper" />
 
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterAccessibilityHelper" />
+
         <import type="android.view.View" />
 
         <variable
@@ -49,7 +51,7 @@
                     style="@style/icon"
                     android:layout_width="@dimen/icon_size_button"
                     android:layout_height="@dimen/icon_size_button"
-                    android:contentDescription="@{@string/accessibility_back}"
+                    android:contentDescription="@{FormatterAccessibilityHelper.formatButton(@string/accessibility_back)}"
                     android:src="@{@drawable/ic_close}"
                     android:tint="@{FormatterRiskHelper.formatStableTextColor(tracingViewModel.riskLevel)}"
                     app:layout_constraintBottom_toBottomOf="parent"

Corona-Warn-App/src/main/res/layout/fragment_submission_qr_code_scan.xml

@@ -2,6 +2,12 @@
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <data>
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterAccessibilityHelper" />
+
+    </data>
+
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/submission_qr_code_scan_container"
         android:contentDescription="@string/submission_qr_code_scan_title"
@@ -68,7 +74,7 @@
                 style="@style/iconStable"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:contentDescription="@string/accessibility_close"
+                android:contentDescription="@{FormatterAccessibilityHelper.formatImage(@string/accessibility_close)"
                 android:src="@drawable/ic_close"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"

Corona-Warn-App/src/main/res/layout/include_button_icon.xml

@@ -21,6 +21,7 @@
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/button_icon"
         style="@style/buttonIcon"
+        android:contentDescription="@{FormatterAccessibilityHelper.formatButton(iconDescription)}"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         app:layout_constraintStart_toStartOf="parent"
@@ -31,7 +32,7 @@
             android:layout_width="@dimen/icon_size_button"
             android:layout_height="@dimen/icon_size_button"
             android:src="@{icon}"
-            android:contentDescription="@{FormatterAccessibilityHelper.formatButton(iconDescription)}"
+            android:importantForAccessibility="no"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"

Corona-Warn-App/src/main/res/layout/include_dispatcher_card.xml

@@ -5,6 +5,8 @@
 
     <data>
 
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterAccessibilityHelper" />
+
         <variable
             name="headline"
             type="String" />
@@ -50,6 +52,7 @@
             android:layout_marginEnd="@dimen/spacing_normal"
             android:src="@drawable/ic_forward"
             android:tint="@color/colorTextPrimary1"
+            android:importantForAccessibility="no"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
 
@@ -63,6 +66,7 @@
             android:layout_marginEnd="@dimen/spacing_small"
             android:layout_marginBottom="@dimen/spacing_normal"
             android:text="@{body}"
+            android:contentDescription="@{FormatterAccessibilityHelper.formatButton(body)}"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toStartOf="@+id/dispatcher_card_illustration"
             app:layout_constraintStart_toStartOf="parent"
@@ -76,6 +80,7 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/button_icon_margin"
             android:src="@{illustration}"
+            android:importantForAccessibility="no"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/dispatcher_card_icon"

Corona-Warn-App/src/main/res/layout/include_submission_contact.xml

@@ -2,6 +2,12 @@
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <data>
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterAccessibilityHelper" />
+
+    </data>
+
     <ScrollView
         android:layout_width="match_parent"
         android:layout_height="match_parent">
@@ -15,7 +21,7 @@
                 android:layout_width="@dimen/match_constraint"
                 android:layout_height="wrap_content"
                 android:src="@drawable/ic_submission_illustration_hotline"
-                android:contentDescription="@string/information_contact_illustration_description"
+                android:contentDescription="@{FormatterAccessibilityHelper.formatImage(@string/information_contact_illustration_description)}"
                 android:focusable="true"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintStart_toStartOf="parent"

Corona-Warn-App/src/main/res/layout/include_submission_done.xml

@@ -2,6 +2,12 @@
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <data>
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterAccessibilityHelper" />
+
+    </data>
+
     <ScrollView
         android:layout_width="match_parent"
         android:layout_height="match_parent">
@@ -15,7 +21,7 @@
                 android:id="@+id/submission_done_hero_illustration"
                 android:layout_width="@dimen/match_constraint"
                 android:layout_height="wrap_content"
-                android:contentDescription="@string/submission_done_illustration_description"
+                android:contentDescription="@{FormatterAccessibilityHelper.formatImage(@string/submission_done_illustration_description)}"
                 android:focusable="true"
                 android:src="@drawable/ic_submission_illustration_thanks"
                 app:layout_constraintEnd_toEndOf="parent"

Corona-Warn-App/src/main/res/layout/include_submission_intro.xml

@@ -2,6 +2,12 @@
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <data>
+
+        <import type="de.rki.coronawarnapp.util.formatter.FormatterAccessibilityHelper" />
+
+    </data>
+
     <ScrollView
         android:layout_width="match_parent"
         android:layout_height="match_parent">
@@ -12,7 +18,7 @@
 
             <ImageView
                 android:id="@+id/submission_intro_hero_illustration"
-                android:contentDescription="@{@string/submission_intro_illustration_description}"
+                android:contentDescription="@{FormatterAccessibilityHelper.formatImage(@string/submission_intro_illustration_description)}"
                 android:layout_width="@dimen/match_constraint"
                 android:layout_height="wrap_content"
                 android:src="@drawable/ic_illustration_test"

Corona-Warn-App/src/main/res/layout/include_submission_status_card_content.xml

@@ -94,6 +94,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:background="@{FormatterSubmissionHelper.formatSubmissionStatusCardContentIcon(deviceUIState)}"
+            android:importantForAccessibility="no"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="@id/submission_status_card_content_title"
             tools:src="@drawable/ic_main_illustration_negative" />

Corona-Warn-App/src/main/res/layout/include_submission_status_card_unregistered.xml

@@ -59,6 +59,7 @@
             android:id="@+id/submission_status_card_unregistered_icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:importantForAccessibility="no"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="@+id/submission_status_card_unregistered_title"
             app:srcCompat="@drawable/ic_main_illustration_untested" />

Corona-Warn-App/src/main/res/layout/include_test_result_card.xml

@@ -54,6 +54,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:background="@{FormatterSubmissionHelper.formatTestStatusIcon(deviceUIState)}"
+            android:importantForAccessibility="no"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent"
             tools:src="@drawable/ic_test_result_illustration_negative" />

Corona-Warn-App/src/main/res/layout/include_test_result_card_positive.xml

@@ -25,6 +25,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:background="@drawable/ic_test_result_illustration_positive_card"
+            android:importantForAccessibility="no"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent"
             tools:src="@drawable/ic_test_result_illustration_positive" />

Corona-Warn-App/src/main/res/layout/view_bullet_point_entry.xml

@@ -13,6 +13,7 @@
         android:layout_marginStart="@dimen/bullet_point_spacing_before"
         android:baseline="@dimen/bullet_point_baseline_offset"
         android:src="@drawable/bullet_point"
+        android:importantForAccessibility="no"
         app:layout_constraintBaseline_toBaselineOf="@+id/bullet_point_content"
         app:layout_constraintStart_toStartOf="parent" />
 

Corona-Warn-App/src/main/res/layout/view_circle_progress.xml

@@ -20,7 +20,7 @@
             android:id="@+id/circle_progress_icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:contentDescription="Sie haben alle tage erfasst"
+            android:importantForAccessibility="no"
             android:src="@drawable/ic_risk_card_saved_days"
             android:tint="@color/colorAccentTintIcon"
             app:layout_constraintBottom_toBottomOf="parent"

Corona-Warn-App/src/main/res/layout/view_step_entry.xml

@@ -11,6 +11,7 @@
             android:id="@+id/step_entry_icon"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:importantForAccessibility="no"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent"
             tools:src="@drawable/ic_main_overview_1" />