隱藏導航欄底部的線條
方法1 (單頁面設置)
[self.navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
[self.navigationController.navigationBar setShadowImage:[UIImage new]];
如果不想影響其他頁面的導航透明度,viewWillDisappear將其設置爲nil即可:
[self.navigationController.navigationBar setBackgroundImage:nil forBarMetrics:UIBarMetricsDefault];
[self.navigationController.navigationBar setShadowImage:nil];
方法2(全局設置)
[[UINavigationBar appearance] setBackgroundImage:[[UIImage alloc] init] forBarMetrics:UIBarMetricsDefault];
[[UINavigationBar appearance] setShadowImage:[[UIImage alloc] init]];
方法3
self.navigationController.navigationBar.clipsToBounds = YES;
設置導航欄底部線條顏色的代碼:
UINavigationBar *navigationBar = self.navigationController.navigationBar;
[navigationBar setBackgroundImage:[[UIImage alloc] init] forBarPosition:UIBarPositionAny barMetrics:UIBarMetricsDefault]; //此處使底部線條顏色爲紅色
[navigationBar setShadowImage:[UIImage imageWithColor:[UIColor redColor]]];
@implementation UIImage (ColorImage)
+ (UIImage *)imageWithColor:(UIColor *)color{
CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, [color CGColor]);
CGContextFillRect(context, rect);
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext(); return image;
}
@end
navigationController側滑關閉失效的問題
self.navigationController.interactivePopGestureRecognizer.delegate = (id)self
隱藏返回按鈕後面的文字
[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(0, -60)
forBarMetrics:UIBarMetricsDefault];
最好就是自己自定義這個按鈕了