Fixed layout bug for dialog for iOS 12.

Author: ivanvorobei

Example Apps/SPPermissions.xcodeproj/project.xcworkspace/xcuserdata/ivanvorobei.xcuserdatad/UserInterfaceState.xcuserstate

@@ -90,8 +90,9 @@ class RootController: SPTableViewController {
             let controller = SPPermissions.dialog(selectedPermissions)
             controller.dataSource = self
             controller.delegate = self
-            // controller.allowSwipeDismiss = true
-            // controller.showCloseButton = true
+            //controller.bounceAnimationEnabled = false
+            //controller.allowSwipeDismiss = true
+            //controller.showCloseButton = true
             controller.present(on: self)
         case 2:
             let controller = SPPermissions.native(selectedPermissions)

Example Apps/iOS Example/Scenes/RootController.swift

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name = "SPPermissions"
-  s.version = "6.8.0"
+  s.version = "6.8.1"
   s.summary = "Ask permissions on Swift. Available List, Dialog & Native interface. Can check state permission."
   s.homepage = "https://github.com/ivanvorobei/SPPermissions"
   s.source = { :git => "https://github.com/ivanvorobei/SPPermissions.git", :tag => s.version }

SPPermissions.podspec

@@ -113,6 +113,25 @@ public class SPPermissionsDialogController: UIViewController, SPPermissionsContr
         NotificationCenter.default.addObserver(self, selector: #selector(self.applicationDidBecomeActive), name: UIApplication.didBecomeActiveNotification, object: nil)
     }
 
+    public override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        
+        /**
+         Special layout call becouse table hasn't valid content size before appear for early ios 12 and lower.
+         Happen only if `bounceAnimationEnabled` set to false.
+         Related issue on github: https://github.com/ivanvorobei/SPPermissions/issues/262
+         */
+        if !bounceAnimationEnabled {
+            if #available(iOS 13, *) {
+                // All good for iOS 13+
+            } else {
+                DelayService.wait(0.2, closure: {
+                    self.dialogView.layout(in: self.view)
+                })
+            }
+        }
+    }
+    
     @objc func applicationDidBecomeActive() {
         dialogView.tableView.reloadData()
     }