Added delegate for know, when scrolling animation ends

Author: libt

Example/PickerView/ExamplePickerViewController.swift

@@ -238,4 +238,8 @@ extension ExamplePickerViewController: PickerViewDelegate {
         return customView
     }
 
+    func pickerView(_ pickerView: PickerView, didEndScrollingRow row: Int, index: Int) {
+        print("Scroll animation ends in current Row \(row) and current Index \(index)")
+    }
+    
 }

Pod/Classes/PickerView.swift

@@ -37,6 +37,7 @@ import UIKit
     @objc optional func pickerView(_ pickerView: PickerView, didTapRow row: Int, index: Int)
     @objc optional func pickerView(_ pickerView: PickerView, styleForLabel label: UILabel, highlighted: Bool)
     @objc optional func pickerView(_ pickerView: PickerView, viewForRow row: Int, index: Int, highlighted: Bool, reusingView view: UIView?) -> UIView?
+    @objc optional func pickerView(_ pickerView: PickerView, didEndScrollingRow row: Int, index: Int)
 }
 
 open class PickerView: UIView {
@@ -525,12 +526,18 @@ open class PickerView: UIView {
         delegate?.pickerView?(self, didSelectRow: currentSelectedRow, index: currentSelectedIndex)
 
         tableView.setContentOffset(CGPoint(x: 0.0, y: CGFloat(finalRow) * rowHeight), animated: animated)
+        
+        Timer.scheduledTimer(timeInterval: 0.5, target: self, selector: #selector(selectRowDidScrollEnd), userInfo: nil, repeats: false)
     }
 
     open func reloadPickerView() {
         tableView.reloadData()
     }
 
+    @objc open func selectRowDidScrollEnd() {
+        delegate?.pickerView?(self, didEndScrollingRow: currentSelectedRow, index: currentSelectedIndex)
+    }
+    
 }
 
 extension PickerView: UITableViewDataSource {
@@ -631,6 +638,8 @@ extension PickerView: UIScrollViewDelegate {
         }
 
         isScrolling = false
+        
+        delegate?.pickerView?(self, didEndScrollingRow: currentSelectedRow, index: currentSelectedIndex)
     }
 
     public func scrollViewDidScroll(_ scrollView: UIScrollView) {