Removes unnecessary #available checks

AltStore/Components/AppIconImageView.swift

@@ -16,20 +16,9 @@ class AppIconImageView: UIImageView
         
         self.contentMode = .scaleAspectFill
         self.clipsToBounds = true
-        
         self.backgroundColor = .white
-                
-        if #available(iOS 13, *)
-        {
-            self.layer.cornerCurve = .continuous
-        }
-        else
-        {
-            if self.layer.responds(to: Selector(("continuousCorners")))
-            {
-                self.layer.setValue(true, forKey: "continuousCorners")
-            }
-        }
+        
+        self.layer.cornerCurve = .continuous
     }
     
     override func layoutSubviews()

AltStore/Components/BannerCollectionViewCell.swift

@@ -20,35 +20,32 @@ class BannerCollectionViewCell: UICollectionViewCell
         self.contentView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
         self.contentView.preservesSuperviewLayoutMargins = true
         
-        if #available(iOS 13.0, *)
-        {
-            let errorBadge = UIView()
-            errorBadge.translatesAutoresizingMaskIntoConstraints = false
-            errorBadge.isHidden = true
-            self.addSubview(errorBadge)
+        let errorBadge = UIView()
+        errorBadge.translatesAutoresizingMaskIntoConstraints = false
+        errorBadge.isHidden = true
+        self.addSubview(errorBadge)
+        
+        // Solid background to make the X opaque white.
+        let backgroundView = UIView()
+        backgroundView.translatesAutoresizingMaskIntoConstraints = false
+        backgroundView.backgroundColor = .white
+        errorBadge.addSubview(backgroundView)
+                    
+        let badgeView = UIImageView(image: UIImage(systemName: "exclamationmark.circle.fill"))
+        badgeView.preferredSymbolConfiguration = UIImage.SymbolConfiguration(scale: .large)
+        badgeView.tintColor = .systemRed
+        errorBadge.addSubview(badgeView, pinningEdgesWith: .zero)
+        
+        NSLayoutConstraint.activate([
+            errorBadge.centerXAnchor.constraint(equalTo: self.bannerView.trailingAnchor, constant: -5),
+            errorBadge.centerYAnchor.constraint(equalTo: self.bannerView.topAnchor, constant: 5),
             
-            // Solid background to make the X opaque white.
-            let backgroundView = UIView()
-            backgroundView.translatesAutoresizingMaskIntoConstraints = false
-            backgroundView.backgroundColor = .white
-            errorBadge.addSubview(backgroundView)
-                        
-            let badgeView = UIImageView(image: UIImage(systemName: "exclamationmark.circle.fill"))
-            badgeView.preferredSymbolConfiguration = UIImage.SymbolConfiguration(scale: .large)
-            badgeView.tintColor = .systemRed
-            errorBadge.addSubview(badgeView, pinningEdgesWith: .zero)
-            
-            NSLayoutConstraint.activate([
-                errorBadge.centerXAnchor.constraint(equalTo: self.bannerView.trailingAnchor, constant: -5),
-                errorBadge.centerYAnchor.constraint(equalTo: self.bannerView.topAnchor, constant: 5),
-                
-                backgroundView.centerXAnchor.constraint(equalTo: badgeView.centerXAnchor),
-                backgroundView.centerYAnchor.constraint(equalTo: badgeView.centerYAnchor),
-                backgroundView.widthAnchor.constraint(equalTo: badgeView.widthAnchor, multiplier: 0.5),
-                backgroundView.heightAnchor.constraint(equalTo: badgeView.heightAnchor, multiplier: 0.5)
-            ])
-            
-            self.errorBadge = errorBadge
-        }
+            backgroundView.centerXAnchor.constraint(equalTo: badgeView.centerXAnchor),
+            backgroundView.centerYAnchor.constraint(equalTo: badgeView.centerYAnchor),
+            backgroundView.widthAnchor.constraint(equalTo: badgeView.widthAnchor, multiplier: 0.5),
+            backgroundView.heightAnchor.constraint(equalTo: badgeView.heightAnchor, multiplier: 0.5)
+        ])
+        
+        self.errorBadge = errorBadge
     }
 }

AltStore/Components/NavigationBar.swift

@@ -32,53 +32,33 @@ class NavigationBar: UINavigationBar
     
     private func initialize()
     {
-        if #available(iOS 13, *)
+        let standardAppearance = UINavigationBarAppearance()
+        standardAppearance.configureWithDefaultBackground()
+        standardAppearance.shadowColor = nil
+        
+        let edgeAppearance = UINavigationBarAppearance()
+        edgeAppearance.configureWithOpaqueBackground()
+        edgeAppearance.backgroundColor = self.barTintColor
+        edgeAppearance.shadowColor = nil
+        
+        if let tintColor = self.barTintColor
         {
-            let standardAppearance = UINavigationBarAppearance()
-            standardAppearance.configureWithDefaultBackground()
-            standardAppearance.shadowColor = nil
+            let textAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
             
-            let edgeAppearance = UINavigationBarAppearance()
-            edgeAppearance.configureWithOpaqueBackground()
-            edgeAppearance.backgroundColor = self.barTintColor
-            edgeAppearance.shadowColor = nil
+            standardAppearance.backgroundColor = tintColor
+            standardAppearance.titleTextAttributes = textAttributes
+            standardAppearance.largeTitleTextAttributes = textAttributes
             
-            if let tintColor = self.barTintColor
-            {
-                let textAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
-                
-                standardAppearance.backgroundColor = tintColor
-                standardAppearance.titleTextAttributes = textAttributes
-                standardAppearance.largeTitleTextAttributes = textAttributes
-                
-                edgeAppearance.titleTextAttributes = textAttributes
-                edgeAppearance.largeTitleTextAttributes = textAttributes
-            }
-            else
-            {
-                standardAppearance.backgroundColor = nil
-            }
-            
-            self.scrollEdgeAppearance = edgeAppearance
-            self.standardAppearance = standardAppearance
+            edgeAppearance.titleTextAttributes = textAttributes
+            edgeAppearance.largeTitleTextAttributes = textAttributes
         }
         else
         {
-            self.shadowImage = UIImage()
-            
-            if let tintColor = self.barTintColor
-            {
-                self.backgroundColorView.backgroundColor = tintColor
-                
-                // Top = -50 to cover status bar area above navigation bar on any device.
-                // Bottom = -1 to prevent a flickering gray line from appearing.
-                self.addSubview(self.backgroundColorView, pinningEdgesWith: UIEdgeInsets(top: -50, left: 0, bottom: -1, right: 0))
-            }
-            else
-            {
-                self.barTintColor = .white
-            }
+            standardAppearance.backgroundColor = nil
         }
+        
+        self.scrollEdgeAppearance = edgeAppearance
+        self.standardAppearance = standardAppearance
     }
     
     override func layoutSubviews()

AltStore/Components/ToastView.swift

@@ -109,7 +109,7 @@ class ToastView: RSTToastView
     
     override func show(in view: UIView, duration: TimeInterval)
     {
-        if self.opensErrorLog, #available(iOS 13, *),
+        if self.opensErrorLog,
            case let configuration = UIImage.SymbolConfiguration(font: self.textLabel.font),
            let icon = UIImage(systemName: "chevron.right.circle", withConfiguration: configuration)
         {