Large Image VC: Show share sheet instead of downloading

Tusker/Screens/Large Image/LargeImageViewController.swift

@@ -25,9 +25,9 @@ class LargeImageViewController: UIViewController, UIScrollViewDelegate {
     
     @IBOutlet weak var topControlsView: UIView!
     @IBOutlet weak var topControlsHeightConstraint: NSLayoutConstraint!
-    @IBOutlet weak var downloadButton: UIButton!
+    @IBOutlet weak var shareButton: UIButton!
-    @IBOutlet weak var downloadButtonTopConstraint: NSLayoutConstraint!
+    @IBOutlet weak var shareButtonTopConstraint: NSLayoutConstraint!
-    @IBOutlet weak var downloadButtonLeadingConstraint: NSLayoutConstraint!
+    @IBOutlet weak var shareButtonLeadingConstraint: NSLayoutConstraint!
     @IBOutlet weak var closeButton: UIButton!
     @IBOutlet weak var closeButtonTopConstraint: NSLayoutConstraint!
     @IBOutlet weak var closeButtonTrailingConstraint: NSLayoutConstraint!
@@ -136,8 +136,8 @@ class LargeImageViewController: UIViewController, UIScrollViewDelegate {
                 // running on iPhone X style notched device
                 let notchWidth: CGFloat = 209
                 let earWidth = (view.bounds.width - notchWidth) / 2
-                let offset = (earWidth - downloadButton.bounds.width) / 2
+                let offset = (earWidth - shareButton.bounds.width) / 2
-                downloadButtonLeadingConstraint.constant = offset
+                shareButtonLeadingConstraint.constant = offset
                 closeButtonTrailingConstraint.constant = offset
             }
         }
@@ -221,19 +221,10 @@ class LargeImageViewController: UIViewController, UIScrollViewDelegate {
         dismiss(animated: true)
     }
     
-    @IBAction func downloadPressed(_ sender: Any) {
+    @IBAction func sharePressed(_ sender: Any) {
         guard let image = image else { return }
-        PHPhotoLibrary.shared().performChanges({
+        let activityVC = UIActivityViewController(activityItems: [image], applicationActivities: nil)
-            PHAssetChangeRequest.creationRequestForAsset(from: image)
+        present(activityVC, animated: true)
-        }, completionHandler: { success, error in
-            if success {
-                return
-            } else if let error = error {
-                print("Couldn't save photo: \(error)")
-            } else {
-                return
-            }
-        })
     }
     
 }

Tusker/Screens/Large Image/LargeImageViewController.xib

@@ -1,10 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="14460.31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="14810.11" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
-    <device id="retina4_7" orientation="portrait">
+    <device id="retina4_7" orientation="portrait" appearance="light"/>
-        <adaptation id="fullscreen"/>
-    </device>
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14460.20"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14766.13"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -16,15 +14,15 @@
                 <outlet property="closeButtonTopConstraint" destination="ImD-2H-0XK" id="DUe-b1-a2N"/>
                 <outlet property="closeButtonTrailingConstraint" destination="JFe-ig-3Ic" id="cWO-Rr-y3F"/>
                 <outlet property="descriptionLabel" destination="eo5-fc-RV8" id="vrW-RJ-y5k"/>
-                <outlet property="downloadButton" destination="vhp-0u-Q0S" id="JZS-K9-4w9"/>
-                <outlet property="downloadButtonLeadingConstraint" destination="MJx-2r-p0k" id="Dn5-Eg-Pid"/>
-                <outlet property="downloadButtonTopConstraint" destination="sgG-dC-xXP" id="Rjp-od-00F"/>
                 <outlet property="imageView" destination="qcn-1t-3sS" id="Q01-G2-y1c"/>
                 <outlet property="imageViewBottomConstraint" destination="3JF-Yo-5OR" id="1dh-W6-E8S"/>
                 <outlet property="imageViewLeadingConstraint" destination="bI3-V8-M70" id="nIe-xI-E9u"/>
                 <outlet property="imageViewTopConstraint" destination="tfL-hp-2I2" id="EDV-RO-pTe"/>
                 <outlet property="imageViewTrailingConstraint" destination="3bU-AI-KLl" id="IRq-jZ-u2s"/>
                 <outlet property="scrollView" destination="Skj-xq-AgQ" id="TFb-zF-m1b"/>
+                <outlet property="shareButton" destination="vhp-0u-Q0S" id="JZS-K9-4w9"/>
+                <outlet property="shareButtonLeadingConstraint" destination="MJx-2r-p0k" id="Dn5-Eg-Pid"/>
+                <outlet property="shareButtonTopConstraint" destination="sgG-dC-xXP" id="Rjp-od-00F"/>
                 <outlet property="topControlsHeightConstraint" destination="6XT-D6-8FS" id="mTB-LF-50H"/>
                 <outlet property="topControlsView" destination="kHo-B9-R7a" id="8sJ-xQ-7ix"/>
                 <outlet property="view" destination="BJw-5C-9nT" id="1C2-VA-mNf"/>
@@ -61,9 +59,9 @@
                                 <constraint firstAttribute="width" constant="20" id="zWx-jJ-dBj"/>
                             </constraints>
                             <color key="tintColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
-                            <state key="normal" image="Download"/>
+                            <state key="normal" image="square.and.arrow.up" catalog="system"/>
                             <connections>
-                                <action selector="downloadPressed:" destination="-1" eventType="touchUpInside" id="7Oz-zv-m2t"/>
+                                <action selector="sharePressed:" destination="-1" eventType="touchUpInside" id="7Oz-zv-m2t"/>
                             </connections>
                         </button>
                         <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="pnA-ne-k0v">
@@ -72,8 +70,9 @@
                                 <constraint firstAttribute="width" constant="20" id="eg0-hN-rda"/>
                                 <constraint firstAttribute="height" constant="20" id="fmA-pI-8WB"/>
                             </constraints>
+                            <fontDescription key="fontDescription" type="system" pointSize="18"/>
                             <color key="tintColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
-                            <state key="normal" image="Close"/>
+                            <state key="normal" image="xmark" catalog="system"/>
                             <connections>
                                 <action selector="closeButtonPressed:" destination="-1" eventType="touchUpInside" id="7o3-ET-EMo"/>
                             </connections>
@@ -124,7 +123,7 @@
         </view>
     </objects>
     <resources>
-        <image name="Close" width="209" height="209"/>
+        <image name="square.and.arrow.up" catalog="system" width="56" height="64"/>
-        <image name="Download" width="284" height="284"/>
+        <image name="xmark" catalog="system" width="64" height="56"/>
     </resources>
 </document>