导航栏设置透明

2017-04-05  本文已影响0人  H了M

- (void)viewWillAppear:(BOOL)animated

{

[super viewWillAppear:animated];

[self.navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];

[self.navigationController.navigationBar setShadowImage:[UIImage new]];

}

- (void)viewWillDisappear:(BOOL)animated

{

[super viewWillDisappear:animated];

[self.navigationController.navigationBar setBackgroundImage:nil forBarMetrics:UIBarMetricsDefault];

[self.navigationController.navigationBar setShadowImage:nil];

}

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