导航栏设置透明
UIImage *image = [[UIImage alloc] init];[self.navigationController.navigationBar setBackgroundImage:image forBarMetrics:UIBarMetricsDefault];
//去掉透明后导航栏下边的黑边
[self.navigationController.navigationBar setShadowImage:image];
self.navigationController.navigationBar.barStyle = UIBarStyleDefault;
self.navigationController.navigationBar.translucent = YES;
导航栏背景自定义，去除下方的黑线
@property (nonatomic, strong) UIImageView * navBarHairlineImageView;
- (UIImageView *)findHairlineImageViewUnder:(UIView *)view {
if ([view isKindOfClass:UIImageView.class] && view.bounds.size.height <= 1.0) {
return (UIImageView *)view;
}
for (UIView *subview in view.subviews) {
UIImageView *imageView = [self findHairlineImageViewUnder:subview];
if (imageView) {
return imageView;
}
}
return nil;
}
- (void)viewWillAppear:(BOOL)animated{
_navBarHairlineImageView = [self findHairlineImageViewUnder:self.navigationController.navigationBar];
_navBarHairlineImageView.hidden = YES;
[self.navigationController.navigationBar setBarTintColor:你的颜色];
[self.navigationController.navigationBar setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor whiteColor],UITextAttributeTextColor,nil]];
self.tabBarController.tabBar.hidden = YES;
[self navButton];
}
- (void)viewWillDisappear:(BOOL)animated{
_navBarHairlineImageView.hidden = NO;
[self.navigationController.navigationBar setBarTintColor:[UIColor colorWithWhite:1 alpha:0.8]];
[self.navigationController.navigationBar setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor blackColor],UITextAttributeTextColor,nil]];
self.tabBarController.tabBar.hidden = NO;
}
返回按钮
#pragma mark - 定义导航的按钮
- (void)navButton{
UIButton * leftButton = [UIButton buttonWithType:UIButtonTypeCustom];
leftButton.frame = CGRectMake(0, 0, 25, 25);
[leftButton setImage:[UIImage imageNamed:@"back_white"] forState:0];
[leftButton setBackgroundColor:[UIColor clearColor]];
leftButton.titleLabel.font = [UIFont systemFontOfSize:15];
[leftButton addTarget:self action:@selector(leftClick) forControlEvents:UIControlEventTouchUpInside];
UIBarButtonItem * tiem = [[UIBarButtonItem alloc]initWithCustomView:leftButton];
UIBarButtonItem *negativeSpacer = [[UIBarButtonItem alloc]
initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace
target:nil action:nil];
negativeSpacer.width = -10;
self.navigationItem.leftBarButtonItems = [NSArray arrayWithObjects:negativeSpacer, tiem, nil];
UIButton * rightButton = [UIButton buttonWithType:UIButtonTypeCustom];
rightButton.frame = CGRectMake(0, 0, 25, 25);
[rightButton setImage:[UIImage imageNamed:@"search.png"] forState:0];
[rightButton setBackgroundColor:[UIColor clearColor]];
rightButton.titleLabel.font = [UIFont systemFontOfSize:15];
[rightButton addTarget:self action:@selector(rightButtonClick) forControlEvents:UIControlEventTouchUpInside];
UIBarButtonItem * tiemRight = [[UIBarButtonItem alloc]initWithCustomView:rightButton];
UIBarButtonItem *negativeSpacerRight = [[UIBarButtonItem alloc]
initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace
target:nil action:nil];
negativeSpacerRight.width = -10;
self.navigationItem.rightBarButtonItems = [NSArray arrayWithObjects:negativeSpacerRight, tiemRight, nil];
}
- (void)leftClick{
[self.navigationController popViewControllerAnimated:YES];
}
- (void)rightButtonClick{
}
