Adds accessibility

iOSTemplate/Base.lproj/Main.storyboard

@@ -18,8 +18,8 @@
                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <stackView opaque="NO" contentMode="scaleToFill" ambiguous="YES" axis="vertical" alignment="top" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="l36-fK-dfQ">
-                                <rect key="frame" x="0.0" y="40" width="375" height="532.5"/>
+                            <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" alignment="top" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="l36-fK-dfQ">
+                                <rect key="frame" x="0.0" y="40" width="375" height="476.5"/>
                                 <subviews>
                                     <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Meal Name" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="n9u-9b-TSl">
                                         <rect key="frame" x="0.0" y="0.0" width="86.5" height="20.5"/>
@@ -50,8 +50,8 @@
                                             <outletCollection property="gestureRecognizers" destination="UAM-fK-D64" appends="YES" id="uEG-WL-m3E"/>
                                         </connections>
                                     </imageView>
-                                    <stackView opaque="NO" contentMode="scaleToFill" ambiguous="YES" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="5FE-RR-A0X" customClass="RatingControl" customModule="iOSTemplate" customModuleProvider="target">
-                                        <rect key="frame" x="0.0" y="432.5" width="50" height="100"/>
+                                    <stackView opaque="NO" contentMode="scaleToFill" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="5FE-RR-A0X" customClass="RatingControl" customModule="iOSTemplate" customModuleProvider="target">
+                                        <rect key="frame" x="0.0" y="432.5" width="252" height="44"/>
                                     </stackView>
                                 </subviews>
                                 <constraints>

iOSTemplate/RatingControl.swift

@@ -73,7 +73,7 @@ import UIKit
         let emptyStar = UIImage(named:"emptyStar", in: bundle, compatibleWith: self.traitCollection)
         let highlightedStar = UIImage(named:"highlightedStar", in: bundle, compatibleWith: self.traitCollection)
         
-        for _ in 0..<starCount {
+        for index in 0..<starCount {
             // Create the button
             let button = UIButton()
             
@@ -88,6 +88,9 @@ import UIKit
             button.heightAnchor.constraint(equalToConstant: starSize.height).isActive = true
             button.widthAnchor.constraint(equalToConstant: starSize.width).isActive = true
             
+            // Set the accessibility label
+            button.accessibilityLabel = "Set \(index + 1) star rating"
+            
             // Setup the button action
             button.addTarget(self, action: #selector(RatingControl.ratingButtonTapped(button:)), for: .touchUpInside)
             
@@ -105,6 +108,29 @@ import UIKit
         for (index, button) in ratingButtons.enumerated() {
             // If the index of a button is less than the rating, that button should be selected.
             button.isSelected = index < rating
+            
+            // Set the hint string for the currently selected star
+            let hintString: String?
+            if rating == index + 1 {
+                hintString = "Tap to reset the rating to zero."
+            } else {
+                hintString = nil
+            }
+            
+            // Calculate the value string
+            let valueString: String
+            switch (rating) {
+            case 0:
+                valueString = "No rating set."
+            case 1:
+                valueString = "1 star set."
+            default:
+                valueString = "\(rating) stars set."
+            }
+            
+            // Assign the hint string and value string
+            button.accessibilityHint = hintString
+            button.accessibilityValue = valueString
         }
     }
 }