Add lineLayer background set Function

Classes/PXAlertView+Customization.h

@@ -31,6 +31,7 @@
 - (void)setAllButtonsTextColor:(UIColor *)color;
 - (void)setOtherButtonTextColor:(UIColor *)color;
 
+-(void)setLineLayerColor:(UIColor*)color;
 - (void)useDefaultIOS7Style;
 
 @end

Classes/PXAlertView+Customization.m

@@ -38,6 +38,14 @@ - (void)useDefaultIOS7Style {
     [self setBackgroundColor:[UIColor whiteColor]];
 }
 
+-(void)setLineLayerColor:(UIColor*)color
+{
+    for (CALayer* subLayer in [self.alertView.layer sublayers]) {
+        if ([subLayer.name isEqualToString:@"PXAlertView_lineLayer"]) {
+            subLayer.backgroundColor = color.CGColor;
+        }
+    }
+}
 - (void)setWindowTintColor:(UIColor *)color
 {
     self.backgroundView.backgroundColor = color;

Classes/PXAlertView.m

@@ -486,6 +486,7 @@ - (CALayer *)lineLayer
 {
 	CALayer *lineLayer = [CALayer layer];
 	lineLayer.backgroundColor = [[UIColor colorWithWhite:0.90 alpha:0.3] CGColor];
+    [lineLayer setName:@"PXAlertView_lineLayer"];
 	return lineLayer;
 }
 

PXAlertViewDemo/PXViewController.m

@@ -194,6 +194,7 @@ - (IBAction)showCopyOfUIAlertView:(id)sender
                                                  contentView:nil
                                                   completion:nil];
     [alertView useDefaultIOS7Style];
+    [alertView setLineLayerColor:[UIColor blackColor]];
 }
 
 - (IBAction)showLargeUIAlertView:(id)sender