Add Deselection State

ALRadioButtons.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
 spec.name         = "ALRadioButtons"
-spec.version      = "1.0.1"
+spec.version      = "1.1.0"
 spec.summary      = "RadioButtons for iOS. Inherited from UIControl, support 2 native styles, fully customizable."
 
 spec.homepage     = "https://github.com/alxrguz/ALRadioButtons"

README.md

@@ -65,7 +65,7 @@ pod 'ALRadioButtons'
 
 #### Manually
 
-If you prefer not to use either of the aforementioned dependency managers, you can integrate SnapKit into your project manually. Put `Source/ALRadioButtons` folder in your Xcode project. 
+If you prefer not to use either of the aforementioned dependency managers, you can integrate ALRadioButtons into your project manually. Put `Source/ALRadioButtons` folder in your Xcode project. 
 
 
 
@@ -91,7 +91,10 @@ class MyViewController: UIViewController {
         // ... Setup layout
 
         radioGroup.selectedIndex = 0
-      radioGroup.addTarget(self, action: #selector(radioGroupSelected(_:)), for: .valueChanged)
+      	radioGroup.addTarget(self, action: #selector(radioGroupSelected(_:)), for: .valueChanged)
+
+      	// If the checkbox selection can be canceled, then set this property to true 
+      	radioGroup.allowDeselection = true
     }
 
     @objc private func radioGroupSelected(_ sender: ALRadioGroup) {

Sources/ALRadioButtons/Views/ALRadioGroup.swift

@@ -44,6 +44,11 @@ public final class ALRadioGroup: UIControl {
         }
     }
 
+    /**
+     If this parameter is set to true, then by tap on an already selected item, the selection will be canceled, and the `selectedIndex` will become `-1`. Default is false
+     */
+    public var allowDeselection: Bool = false
+
     /**
         Title color if `ALRadioButton` is selected
     */
@@ -261,8 +266,15 @@ public final class ALRadioGroup: UIControl {
 private extension ALRadioGroup {
     @objc func radioItemTapped(_ sender: UITapGestureRecognizer) {
         guard let radioItem = (sender.view as? ALRadioButton),
-            let index = items.firstIndex(of: radioItem),
-            selectedIndex != index else { return }
+            var index = items.firstIndex(of: radioItem) else { return }
+
+        if index == selectedIndex {
+            if allowDeselection {
+                index = -1
+            } else {
+                return
+            }
+        }
 
         if hapticResponse { haptic.selectionChanged() }
         selectedIndex = index