diff --git a/AKPickerViewSample/AKPickerView/AKPickerView.h b/AKPickerViewSample/AKPickerView/AKPickerView.h
index e0f0923..715c6e4 100644
--- a/AKPickerViewSample/AKPickerView/AKPickerView.h
+++ b/AKPickerViewSample/AKPickerView/AKPickerView.h
@@ -26,6 +26,7 @@ typedef NS_ENUM(NSInteger, AKPickerViewStyle) {
 @protocol AKPickerViewDelegate <UIScrollViewDelegate>
 @optional
 - (void)pickerView:(AKPickerView *)pickerView didSelectItem:(NSInteger)item;
+- (void)pickerView:(AKPickerView *)pickerView willSelectItem:(NSInteger)item;
 - (CGSize)pickerView:(AKPickerView *)pickerView marginForItem:(NSInteger)item;
 - (void)pickerView:(AKPickerView *)pickerView configureLabel:(UILabel * const)label forItem:(NSInteger)item;
 @end
diff --git a/AKPickerViewSample/AKPickerView/AKPickerView.m b/AKPickerViewSample/AKPickerView/AKPickerView.m
index 9d1b255..c0680c9 100644
--- a/AKPickerViewSample/AKPickerView/AKPickerView.m
+++ b/AKPickerViewSample/AKPickerView/AKPickerView.m
@@ -353,6 +353,9 @@ - (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UIColl
 
 - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
 {
+    if ([self.delegate respondsToSelector:@selector(pickerView:willSelectItem:)])
+        [self.delegate pickerView:self willSelectItem:indexPath.item];
+    
 	[self selectItem:indexPath.item animated:YES];
 }