mnem · May 4, 2015 20:38 · May 4, 2015
diff --git a/NAHMainTable.h b/NAHMainTable.h
@@ -0,0 +1,5 @@
+#import <UIKit/UIKit.h>
+
+@interface NAHMainTable : UITableViewController
+
+@end
diff --git a/NAHMainTable.m b/NAHMainTable.m
@@ -0,0 +1,60 @@
+#import "NAHMainTable.h"
+
+@interface NAHMainTable ()
+
+@end
+
+@implementation NAHMainTable
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+
+    [self hairlineNavigationBarLineWithFillColor:[UIColor whiteColor] strokeColor:[UIColor blueColor]];
+}
+
+- (void)hairlineNavigationBarLineWithFillColor:(UIColor *)fill
+                                   strokeColor:(UIColor *)stroke {
+    const CGRect slice = CGRectMake(0.0f, 0.0f, 1.0f, 128.0f);
+    // Assuming that all colors are opaque. Paramaterise this if need be.
+    const BOOL opaque = YES;
+
+    // Create a new context to turn into the background image.
+    UIGraphicsBeginImageContextWithOptions(slice.size, opaque, [UIScreen mainScreen].scale);
+    CGContextRef ctx = UIGraphicsGetCurrentContext();
+
+    [fill setFill];
+    CGContextAddRect(ctx, slice);
+    CGContextFillPath(ctx);
+
+    [stroke setStroke];
+    CGContextMoveToPoint(ctx, 0.0f, slice.size.height);
+    CGContextAddLineToPoint(ctx, slice.size.width, slice.size.height);
+    CGContextStrokePath(ctx);
+
+    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
+
+    // Set the background image
+    [self.navigationController.navigationBar setBackgroundImage:image forBarMetrics:UIBarMetricsDefault];
+
+    // Set an empty image for the shadow image, otherwise we'll get a double line
+    [self.navigationController.navigationBar setShadowImage:[[UIImage alloc] init]];
+}
+
+- (void)didReceiveMemoryWarning {
+    [super didReceiveMemoryWarning];
+    // Dispose of any resources that can be recreated.
+}
+
+#pragma mark - Table view data source
+
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
+    // Return the number of sections.
+    return 0;
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    // Return the number of rows in the section.
+    return 0;
+}
+
+@end