Use tap gesture recognizer instead of delegate

Loop/Extensions/UIAlertController.swift

@@ -43,5 +43,4 @@ extension UIAlertController {
         let cancel = NSLocalizedString("Cancel", comment: "The title of the cancel action in an action sheet")
         addAction(UIAlertAction(title: cancel, style: .cancel, handler: nil))
     }
-
 }

Loop/View Controllers/StatusTableViewController.swift

@@ -16,7 +16,7 @@ import LoopUI
 import SwiftCharts
 
 
-final class StatusTableViewController: UITableViewController, UIGestureRecognizerDelegate, HUDViewDelegate {
+final class StatusTableViewController: UITableViewController, UIGestureRecognizerDelegate {
 
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -58,8 +58,6 @@ final class StatusTableViewController: UITableViewController, UIGestureRecognize
         tableView.addGestureRecognizer(chartPanGestureRecognizer)
         charts.panGestureRecognizer = chartPanGestureRecognizer
 
-        hudView.delegate = self
-
         // Toolbar
         toolbarItems![0].accessibilityLabel = NSLocalizedString("Add Meal", comment: "The label of the carb entry button")
         toolbarItems![0].tintColor = UIColor.COBTintColor
@@ -409,14 +407,6 @@ final class StatusTableViewController: UITableViewController, UIGestureRecognize
         }
     }
 
-    func statusTapped() {
-        self.dataManager.loopManager.getLoopStatus { (_, _, _, _, _, _, _, error) -> Void in
-            if let error = error {
-                self.presentAlertController(with: error)
-            }
-        }
-    }
-
     // MARK: - Toolbar data
 
     private var workoutMode: Bool? = nil {
@@ -781,12 +771,15 @@ final class StatusTableViewController: UITableViewController, UIGestureRecognize
 
     @IBOutlet weak var hudView: HUDView! {
         didSet {
-            let tapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(openCGMApp(_:)))
-            glucoseHUD.addGestureRecognizer(tapGestureRecognizer)
+            let glucoseTapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(openCGMApp(_:)))
+            glucoseHUD.addGestureRecognizer(glucoseTapGestureRecognizer)
 
             if cgmAppURL != nil {
                 glucoseHUD.accessibilityHint = NSLocalizedString("Launches CGM app", comment: "Glucose HUD accessibility hint")
             }
+            let statusTapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(showLastError(_:)))
+            loopCompletionHUD.addGestureRecognizer(statusTapGestureRecognizer)
+            loopCompletionHUD.accessibilityHint = NSLocalizedString("Show last loop error", comment: "Loop Completion HUD accessibility hint")
         }
     }
 
@@ -812,6 +805,15 @@ final class StatusTableViewController: UITableViewController, UIGestureRecognize
         }
     }
 
+    @objc private func showLastError(_: Any) {
+        self.dataManager.loopManager.getLoopStatus { (_, _, _, _, _, _, _, error) -> Void in
+            if let error = error {
+                self.presentAlertController(with: error)
+            }
+        }
+    }
+
+
     @objc private func openCGMApp(_: Any) {
         if let url = cgmAppURL {
             UIApplication.shared.open(url)

LoopUI/HUDView.xib

@@ -1,11 +1,11 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="11762" systemVersion="15G1217" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="11542" systemVersion="16B2657" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
     <device id="retina4_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11757"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11524"/>
         <capability name="Aspect ratio constraints" minToolsVersion="5.1"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
@@ -45,9 +45,6 @@
                                     <exclude reference="PEc-Fn-xuC"/>
                                 </mask>
                             </variation>
-                            <connections>
-                                <action selector="stateViewTapped" destination="-1" eventType="touchUpInside" id="ckX-J9-yhV"/>
-                            </connections>
                         </view>
                     </subviews>
                     <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>

LoopUI/Views/HUDView.swift

@@ -8,26 +8,13 @@
 
 import UIKit
 
-public protocol HUDViewDelegate: class {
-    func statusTapped()
-}
-
-
 public class HUDView: UIStackView, NibLoadable {
-
-
     @IBOutlet public weak var loopCompletionHUD: LoopCompletionHUDView!
     @IBOutlet public weak var glucoseHUD: GlucoseHUDView!
     @IBOutlet public weak var basalRateHUD: BasalRateHUDView!
     @IBOutlet public weak var reservoirVolumeHUD: ReservoirVolumeHUDView!
     @IBOutlet public weak var batteryHUD: BatteryLevelHUDView!
 
-    weak public var delegate: HUDViewDelegate?
-
-    @IBAction func stateViewTapped() {
-        delegate?.statusTapped()
-    }
-
     func setup() {
         let stackView = HUDView.nib().instantiate(withOwner: self, options: nil)[0] as! UIStackView
         self.addSubview(stackView)

LoopUI/Views/LoopStateView.swift

@@ -8,7 +8,7 @@
 
 import UIKit
 
-public final class LoopStateView: UIButton {
+public final class LoopStateView: UIView {
     var firstDataUpdate = true
 
     enum Freshness {