Implement a base class for tabbarcontroller that conforms to protocol

Author: emrepun

SampleSporify/MainTabBarController.swift

@@ -5,6 +5,7 @@
 //  Created by Emre Havan on 20.03.20.
 //  Copyright © 2020 Emre Havan. All rights reserved.
 //
+import UIKit
 
 public protocol StickyViewControllerSupporting: UITabBarController {
     var collapsableVCFlow: ExpandableViewController? { get set }
@@ -15,9 +16,12 @@ public protocol StickyViewControllerSupporting: UITabBarController {
     func collapseCollapsibleVC(duration: TimeInterval)
 }
 
-extension StickyViewControllerSupporting {
+public class StickyViewControllerSupportingTabBarController: UITabBarController, StickyViewControllerSupporting {
+    public var collapsableVCFlow: ExpandableViewController?
+    public var collapsedHeight: CGFloat = 50.0
+    public var animationDuration: TimeInterval = 0.5
 
-    func configureCollapsedTrainingView(withChildViewController childViewController: Expandable) {
+    public func configureCollapsedTrainingView(withChildViewController childViewController: Expandable) {
         guard collapsableVCFlow == nil else {
             return
         }
@@ -42,7 +46,7 @@ extension StickyViewControllerSupporting {
         collapsableVCFlow!.didMove(toParent: self)
     }
 
-    func removeCollapsibleView(withAnimation: Bool, duration: TimeInterval) {
+    public func removeCollapsibleView(withAnimation: Bool, duration: TimeInterval) {
         guard let collapsableVCFlow = collapsableVCFlow else {
             return
         }
@@ -66,23 +70,16 @@ extension StickyViewControllerSupporting {
         }
     }
 
-    func collapseCollapsibleVC(duration: TimeInterval) {
+    public func collapseCollapsibleVC(duration: TimeInterval) {
         guard let collapsableVCFlow = collapsableVCFlow else {
             return
         }
         collapsableVCFlow.collapse()
     }
 }
 
-import UIKit
+class MainTabBarController: StickyViewControllerSupportingTabBarController {
 
-class MainTabBarController: UITabBarController, StickyViewControllerSupporting {
-    var animationDuration: TimeInterval = 0.5
-    
-    var collapsedHeight: CGFloat = 60.0
-    
-    var collapsableVCFlow: ExpandableViewController?
-    
     override func viewDidLoad() {
         super.viewDidLoad()
     }

SampleSporify/SampleChildViewController.xib

@@ -37,10 +37,10 @@
                     <nil key="highlightedColor"/>
                 </label>
                 <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="BiF-D1-eME">
-                    <rect key="frame" x="0.0" y="44" width="414" height="60"/>
+                    <rect key="frame" x="0.0" y="44" width="414" height="50"/>
                     <color key="backgroundColor" systemColor="systemGreenColor" red="0.20392156859999999" green="0.78039215689999997" blue="0.34901960780000002" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                     <constraints>
-                        <constraint firstAttribute="height" constant="60" id="d8e-J2-U8u"/>
+                        <constraint firstAttribute="height" constant="50" id="d8e-J2-U8u"/>
                     </constraints>
                 </view>
                 <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="A3p-MX-5B5">