No need to unregister

.gitignore

@@ -33,4 +33,5 @@ xcuserdata/
 !*.xcworkspace/contents.xcworkspacedata
 /*.gcno
 
-# End of https://www.gitignore.io/api/xcode
+# End of https://www.gitignore.io/api/xcode
+*.DS_Store

Auto Keyborad Demo/Auto Keyborad Demo/ScrollViewController.swift

@@ -16,11 +16,9 @@ class ScrollViewController: UIViewController {
 
     override func viewDidLoad() {
         super.viewDidLoad()
-    }
-
-    override func viewWillAppear(_ animated: Bool) {
-        super.viewWillAppear(animated)
+
         registerAutoKeyboard { result in
+            print("ScrollViewController: keyboard status \(result.status)")
             // to keep scroll position, also works with tableView
             // please restrict rotation, otherwise wont work correctly
             if result.status == .willChangeFrame && self.scrollView.reachedBottom {
@@ -32,11 +30,6 @@ class ScrollViewController: UIViewController {
         }
     }
 
-    override func viewWillDisappear(_ animated: Bool) {
-        super.viewWillDisappear(animated)
-        unRegisterAutoKeyboard()
-    }
-
     @IBAction func bResingTap(_ sender: Any) {
         tfAny.resignFirstResponder()
     }

Auto Keyborad Demo/Auto Keyborad Demo/ViewController.swift

@@ -16,20 +16,12 @@ class ViewController: UIViewController {
 
     override func viewDidLoad() {
         super.viewDidLoad()
-    }
-
-    override func viewWillAppear(_ animated: Bool) {
-        super.viewWillAppear(animated)
+
         registerAutoKeyboard(enable: [lblBottom], disable: [btnShowScrollBottom]) { result in
             print("keyboard status \(result.status)")
         }
     }
 
-    override func viewWillDisappear(_ animated: Bool) {
-        super.viewWillDisappear(animated)
-        unRegisterAutoKeyboard()
-    }
-
     @IBAction func bResingTap(_ sender: Any) {
         tfAny.resignFirstResponder()
     }

AutoKeyboard.podspec

@@ -16,7 +16,7 @@ Pod::Spec.new do |s|
   #
 
   s.name         = "AutoKeyboard"
-  s.version      = "1.4.7"
+  s.version      = "1.4.8"
   s.summary      = "Automatic Keyboard handling with ease"
   s.description  = "Automatic bottom constraints changes with extreamly easy integration."
   s.homepage  	 = "https://github.com/chanonly123/AutoKeyboard"
@@ -80,7 +80,7 @@ Pod::Spec.new do |s|
   #  Supports git, hg, bzr, svn and HTTP.
   #
 
-s.source       = { :git => "https://github.com/chanonly123/AutoKeyboard.git", :tag => "1.4.7" }
+s.source       = { :git => "https://github.com/chanonly123/AutoKeyboard.git", :tag => "1.4.8" }
 
 
   # ――― Source Code ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #

AutoKeyboard/AutoKeyboard.xcodeproj/project.pbxproj

@@ -259,7 +259,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				MARKETING_VERSION = 1.4.7;
+				MARKETING_VERSION = 1.4.8;
 				PRODUCT_BUNDLE_IDENTIFIER = com.chanonly123.AutoKeyboard;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
@@ -282,7 +282,7 @@
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				MARKETING_VERSION = 1.4.7;
+				MARKETING_VERSION = 1.4.8;
 				PRODUCT_BUNDLE_IDENTIFIER = com.chanonly123.AutoKeyboard;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;

AutoKeyboard/AutoKeyboard/AutoKeyboard.swift

@@ -89,7 +89,7 @@ extension UIViewController {
     }
 
     /**
-     Unregisters keyboard observers.
+     Unregisters keyboard observers. Can be called from deinit (optional).
      */
     public func unRegisterAutoKeyboard() {
         print("Unregistering AutoKeyboard from: \(NSStringFromClass(type(of: self)))")
@@ -104,6 +104,7 @@ extension UIViewController {
     }
 
     @objc func actionKeyboardWillShow(notification: NSNotification) {
+        if view.firstResponder == nil { return }
         if let result = decodeNotification(notification: notification, status: .willShow) {
             if let group = savedObservers.object(forKey: self) {
                 let saved = group.constraints
@@ -125,6 +126,7 @@ extension UIViewController {
     }
 
     @objc func actionKeyboardWillHide(notification: NSNotification) {
+        if view.firstResponder == nil { return }
         if let result = decodeNotification(notification: notification, status: .willHide) {
             if let group = savedObservers.object(forKey: self) {
                 let saved = group.constraints
@@ -138,24 +140,28 @@ extension UIViewController {
     }
 
     @objc func actionKeyboardDidShow(notification: NSNotification) {
+        if view.firstResponder == nil { return }
         if let result = decodeNotification(notification: notification, status: .didShow) {
             savedObservers.object(forKey: self)?.handler?(result)
         }
     }
 
     @objc func actionKeyboardDidHide(notification: NSNotification) {
+        if view.firstResponder == nil { return }
         if let result = decodeNotification(notification: notification, status: .didHide) {
             savedObservers.object(forKey: self)?.handler?(result)
         }
     }
 
     @objc func actionKeyboardWillChangeFrame(notification: NSNotification) {
+        if view.firstResponder == nil { return }
         if let result = decodeNotification(notification: notification, status: .willChangeFrame) {
             savedObservers.object(forKey: self)?.handler?(result)
         }
     }
 
     @objc func actionKeyboardDidChangeFrame(notification: NSNotification) {
+        if view.firstResponder == nil { return }
         if let result = decodeNotification(notification: notification, status: .didChangeFrame) {
             savedObservers.object(forKey: self)?.handler?(result)
         }
@@ -229,5 +235,18 @@ extension UIViewController {
             self!.view.layoutIfNeeded()
         }, completion: nil)
     }
+
+}
+
+extension UIView {
+    var firstResponder: UIView? {
+        guard !isFirstResponder else { return self }
+        for subview in subviews {
+            if let firstResponder = subview.firstResponder {
+                return firstResponder
+            }
+        }
+        return nil
+    }
 }
 

README.md

@@ -15,7 +15,7 @@ Automatic Keyboard handling with ease. It is fully automatic keyboard handling.
 - Automatic bottom constraints changes with keyboard
 - Resizing with animation.
 - No need to write extra code.
-- Just `registerAutoKeyboard ` and `unRegisterAutoKeyboard `.
+- Just `registerAutoKeyboard ` in `viewDidLoad`.
 - Callback support on keyboard willShow, didShow, willHide, didHide, willChangeFrame, didChangeFrame.
 - Example for keeping scroll position of scrollView
 - Ability to Register or Disable other constraints 
@@ -31,12 +31,8 @@ Automatic Keyboard handling with ease. It is fully automatic keyboard handling.
 - Add constrainsts to `bottomLayoutGuide` or `safeAreaLayoutGuide` and they will update when keyboard appears.
 - And Register your specific ViewController, you should also unregister.
 ```Swift
-override func viewWillAppear(_ animated: Bool) {
-registerAutoKeyboard()
-}
-
-override func viewWillDisappear(_ animated: Bool) {
-unRegisterAutoKeyboard()
+override func viewDidLoad() {
+    registerAutoKeyboard()
 }
 ```
 ### Advanced Usage