Allow to specify bar line height. Hide it by default.

XLPagerTabStrip/XL/Controllers/XLButtonBarPagerTabStripViewController.m

@@ -82,7 +82,7 @@
     [super viewWillAppear:animated];
     UICollectionViewLayoutAttributes *attributes = [self.buttonBarView layoutAttributesForItemAtIndexPath:[NSIndexPath indexPathForItem:self.currentIndex inSection:0]];
     CGRect cellRect = attributes.frame;
-    [self.buttonBarView.selectedBar setFrame:CGRectMake(cellRect.origin.x, self.buttonBarView.frame.size.height - 5, cellRect.size.width, 5)];
+    [self.buttonBarView.selectedBar setFrame:CGRectMake(cellRect.origin.x, self.buttonBarView.frame.size.height - self.buttonBarView.selectedBarHeight, cellRect.size.width, self.buttonBarView.selectedBarHeight)];
 }
 
 -(void)reloadPagerTabStripView

XLPagerTabStrip/XL/Views/XLButtonBarView.h

@@ -31,6 +31,7 @@
 @interface XLButtonBarView : UICollectionView
 
 @property (readonly, nonatomic) UIView * selectedBar;
+@property (nonatomic) CGFloat selectedBarHeight;
 @property UIFont * labelFont;
 @property NSUInteger leftRightMargin;
 

XLPagerTabStrip/XL/Views/XLButtonBarView.m

@@ -67,6 +67,7 @@
 -(void)initializeXLButtonBarView
 {
     _selectedOptionIndex = 0;
+    _selectedBarHeight = 5;
     if ([self.selectedBar superview] == nil){
         [self addSubview:self.selectedBar];
     }
@@ -157,14 +158,19 @@
 
 #pragma mark - Properties
 
+-(void)setSelectedBarHeight:(CGFloat)selectedBarHeight
+{
+    _selectedBarHeight = selectedBarHeight;
+    _selectedBar.frame = CGRectMake(_selectedBar.frame.origin.x, self.frame.size.height - _selectedBarHeight, _selectedBar.frame.size.width, _selectedBarHeight);
+}
+
 -(UIView *)selectedBar
 {
     if (_selectedBar) return _selectedBar;
-    _selectedBar = [[UIView alloc] initWithFrame:CGRectMake(0, self.frame.size.height - 5, self.frame.size.width, 5)];
+    _selectedBar = [[UIView alloc] initWithFrame:CGRectMake(0, self.frame.size.height - _selectedBarHeight, 0, _selectedBarHeight)];
     _selectedBar.layer.zPosition = 9999;
     _selectedBar.backgroundColor = [UIColor blackColor];
     return _selectedBar;
 }
 
-
 @end