Add Accessibility feature to Bar Items Images in the tab bar

Author: jgonfer

SaVaGe/SaVaGe/AccessibilityViewController.swift

@@ -11,13 +11,16 @@ import UIKit
 class AccessibilityViewController: UIViewController {
     @IBOutlet weak var pumpkinPngImageView: UIImageView!
     @IBOutlet weak var pumpkinPdfImageView: UIImageView!
+    @IBOutlet weak var accessibilityBarItem: UITabBarItem!
 
     override func viewDidLoad() {
         super.viewDidLoad()
 
         if #available(iOS 11.0, *) {
             pumpkinPngImageView.adjustsImageSizeForAccessibilityContentSizeCategory = true
             pumpkinPdfImageView.adjustsImageSizeForAccessibilityContentSizeCategory = true
+            let image = UIImage(named: "second_large")
+            accessibilityBarItem.largeContentSizeImage = image
         } else {
             // Fallback on earlier versions
         }

SaVaGe/SaVaGe/Assets.xcassets/first.imageset/Contents.json

@@ -2,20 +2,14 @@
   "images" : [
     {
       "idiom" : "universal",
-      "filename" : "tabbar_images.pdf",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x"
+      "filename" : "tabbar_images.pdf"
     }
   ],
   "info" : {
     "version" : 1,
     "author" : "xcode"
+  },
+  "properties" : {
+    "preserves-vector-representation" : true
   }
 }

SaVaGe/SaVaGe/Assets.xcassets/first_large.imageset/Contents.json

@@ -0,0 +1,15 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "first_large.pdf"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  },
+  "properties" : {
+    "preserves-vector-representation" : true
+  }
+}

SaVaGe/SaVaGe/Assets.xcassets/first_large.imageset/first_large.pdf

@@ -2,20 +2,14 @@
   "images" : [
     {
       "idiom" : "universal",
-      "filename" : "tabbar_buttons.pdf",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x"
+      "filename" : "tabbar_buttons.pdf"
     }
   ],
   "info" : {
     "version" : 1,
     "author" : "xcode"
+  },
+  "properties" : {
+    "preserves-vector-representation" : true
   }
 }

SaVaGe/SaVaGe/Assets.xcassets/second.imageset/Contents.json

@@ -0,0 +1,15 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "second_large.pdf"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  },
+  "properties" : {
+    "preserves-vector-representation" : true
+  }
+}

SaVaGe/SaVaGe/Assets.xcassets/second_large.imageset/Contents.json

@@ -114,7 +114,10 @@
                         </constraints>
                         <viewLayoutGuide key="safeArea" id="PQr-Ze-W5v"/>
                     </view>
-                    <tabBarItem key="tabBarItem" title="Images" image="first" largeContentSizeImage="first" id="acW-dT-cKf"/>
+                    <tabBarItem key="tabBarItem" title="Images" image="first" largeContentSizeImage="first_large" id="acW-dT-cKf"/>
+                    <connections>
+                        <outlet property="imagesBarItem" destination="acW-dT-cKf" id="o5g-aT-Lfo"/>
+                    </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="W5J-7L-Pyd" sceneMemberID="firstResponder"/>
             </objects>
@@ -172,8 +175,9 @@
                         </constraints>
                         <viewLayoutGuide key="safeArea" id="O1u-W8-tvY"/>
                     </view>
-                    <tabBarItem key="tabBarItem" title="Accessibility" image="second" id="cPa-gy-q4n"/>
+                    <tabBarItem key="tabBarItem" title="Accessibility" image="second" largeContentSizeImage="second_large" id="cPa-gy-q4n"/>
                     <connections>
+                        <outlet property="accessibilityBarItem" destination="cPa-gy-q4n" id="5ov-n1-4Sv"/>
                         <outlet property="pumpkinPdfImageView" destination="QuR-CM-wkQ" id="eFt-Tx-4zq"/>
                         <outlet property="pumpkinPngImageView" destination="1DA-4C-9fI" id="DFp-k6-ncn"/>
                     </connections>
@@ -205,8 +209,10 @@
         <image name="cat_pdf" width="96" height="94"/>
         <image name="cat_png" width="96" height="94"/>
         <image name="first" width="24" height="30"/>
+        <image name="first_large" width="55" height="72"/>
         <image name="pumpkin_pdf" width="96" height="94"/>
         <image name="pumpkin_png" width="96" height="94"/>
         <image name="second" width="30" height="30"/>
+        <image name="second_large" width="75" height="75"/>
     </resources>
 </document>

SaVaGe/SaVaGe/Assets.xcassets/second_large.imageset/second_large.pdf

@@ -9,10 +9,17 @@
 import UIKit
 
 class ImagesViewController: UIViewController {
-
+    @IBOutlet weak var imagesBarItem: UITabBarItem!
+    
     override func viewDidLoad() {
         super.viewDidLoad()
-        // Do any additional setup after loading the view, typically from a nib.
+        
+        if #available(iOS 11.0, *) {
+            let image = UIImage(named: "first_large")
+            imagesBarItem.largeContentSizeImage = image
+        } else {
+            // Fallback on earlier versions
+        }
     }
 
     override func didReceiveMemoryWarning() {