Added scrollToItem(index: Int) method for library.

Updated example for  scrollToItem(index: Int) method.

Author: gurhub

Example/Podfile.lock

@@ -1,15 +1,15 @@
 PODS:
-  - ScrollableStackView (1.0)
+  - ScrollableStackView (1.0.1)
 
 DEPENDENCIES:
   - ScrollableStackView (from `../`)
 
 EXTERNAL SOURCES:
   ScrollableStackView:
-    :path: ../
+    :path: "../"
 
 SPEC CHECKSUMS:
-  ScrollableStackView: 82fe51adf0df6f9ea89f4eff0eed2bac01186da0
+  ScrollableStackView: 3c5d4ec63d442eb757edf6aba5cbed55197c70c6
 
 PODFILE CHECKSUM: ce2af2a366952d6b9046a4a798b61b3154f78e89
 

Example/Pods/Local Podspecs/ScrollableStackView.podspec.json

@@ -23,7 +23,7 @@ class ViewController: UIViewController {
         scrollable.stackView.axis = .vertical
         view.addSubview(scrollable)
 
-        for _ in 1 ..< 11 {
+        for _ in 1 ..< 23 {
             let min:UInt32 = 30
             let max:UInt32 = 400
             let random = CGFloat(arc4random_uniform(max - min) + min) // between 30-130
@@ -42,6 +42,12 @@ class ViewController: UIViewController {
         scrollable.stackView.addArrangedSubview(label)
 
         view.setNeedsUpdateConstraints()
+        
+        self.perform(#selector(jumpToView), with: nil, afterDelay: 3.0)
+    }
+    
+    func jumpToView() {
+        scrollable.scrollToItem(index: 11)
     }
 
     override func updateViewConstraints() {

Example/Pods/Manifest.lock

@@ -9,22 +9,21 @@ Scrollable UIStackView. Scroll your stack view with a smile up on your face. Wri
 [![License](https://img.shields.io/cocoapods/l/ScrollableStackView.svg?style=flat)](http://cocoapods.org/pods/ScrollableStackView)
 [![Platform](https://img.shields.io/cocoapods/p/ScrollableStackView.svg?style=flat)](http://cocoapods.org/pods/ScrollableStackView)
 
-### TODO
-
-- [ ] Add Storyboard in example project  
-- [ ] Try NSLayoutAnchor style (requires iOS 9 and later)
-- [ ] Add Carthage support
-- [ ] Add Swift Package Manager support
-
-## Example
+## Installation
 
-Cocoapods
-To run the example project, clone the repo, and run `pod install` from the Example directory first.   
+ScrollableStackView is available through [CocoaPods](http://cocoapods.org). To install
+it, simply add the following line to your Podfile:
 
+```ruby
+platform :ios, '9.0'
+pod "ScrollableStackView"
+```
 ## Usage
 ### Sample Code (Swift)
 
 ```swift
+import ScrollableStackView
+
 var scrollable = ScrollableStackView(frame: view.frame)
 view.addSubview(scrollable)
 
@@ -38,6 +37,8 @@ scrollable.stackView.addArrangedSubview(rectangle)
 ### Sample Code (Objective-C)
 
 ```objective-c
+@import ScrollableStackView
+
 ScrollableStackView *scrollable = [[ScrollableStackView alloc] initWithFrame:self.view.frame];
 scrollable.stackView.distribution = UIStackViewDistributionFillProportionally;
 scrollable.stackView.alignment = UIStackViewAlignmentCenter;
@@ -51,20 +52,21 @@ UIView *rectangle = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 55)];
 [scrollable.stackView addArrangedSubview:rectangle]; 
 // ...
 ```
+## Example Project
+
+Cocoapods
+To run the example project, clone the repo, and run `pod install` from the Example directory first.    
 
 <!--## Code Snippets-->
 <!--## Wish List -->
 <!--## Requirements-->
 
-## Installation
-
-ScrollableStackView is available through [CocoaPods](http://cocoapods.org). To install
-it, simply add the following line to your Podfile:
+### TODO
 
-```ruby
-platform :ios, '9.0'
-pod "ScrollableStackView"
-```
+- [ ] Add Storyboard in example project  
+- [ ] Try NSLayoutAnchor style (requires iOS 9 and later)
+- [ ] Add Carthage support
+- [ ] Add Swift Package Manager support
 
 ## Author
 

Example/Pods/Target Support Files/ScrollableStackView/Info.plist

@@ -37,19 +37,32 @@ import UIKit
         scrollView.addSubview(stackView)
     }
 
+    //MARK: View life cycle
     override public func didMoveToSuperview() {
         super.didMoveToSuperview()
 
         setupUI()
     }
 
+    //MARK: UI
     func setupUI() {
         self.translatesAutoresizingMaskIntoConstraints = false
         clipsToBounds = true
 
         self.setNeedsUpdateConstraints() // Bootstrap auto layout
     }
 
+    //MARK: Stack View
+    @objc public func scrollToItem(index: Int) {
+        if stackView.arrangedSubviews.count > 0 {
+            var view = stackView.arrangedSubviews[index]
+            
+            UIView.animate(withDuration: 1.45, animations: {
+                self.scrollView.setContentOffset(CGPoint(x: 0, y:view.frame.origin.y), animated: true)
+            })
+        }
+    }
+    
     func addItemToStack() {
         let random = CGFloat(arc4random_uniform(131) + 30) // between 30-130
         let rectangle = UIView(frame: CGRect(x: 0, y: 0, width: random, height: random))