导航控制器添加自定义按钮无边框
问题描述:
我添加自定义按钮,导航控制器导航控制器添加自定义按钮无边框
UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back.png"] style:UIBarButtonItemStylePlain target:self action:@selector(backAction)]; self.navigationItem.leftBarButtonItem = backButton;
它工作正常,但按钮显示为界。我该如何解决这个问题?
UPDATE 我找到了解决方案
UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 25, 25)]; [button setImage:[UIImage imageNamed:@"back.png"] forState:UIControlStateNormal]; [button addTarget:self action:@selector(buttonFavoriteClicked) forControlEvents:UIControlEventTouchUpInside]; UIBarButtonItem *back = [[UIBarButtonItem alloc] initWithCustomView:button]; [button release];
self.navigationItem.leftBarButtonItem = back;
答
试试这个。
UIButton *backButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, button_width, button_height)];
[backButton setImage:[UIImage imageNamed:@"back.png"] forState:UIControlStateNormal];
[backButton addTarget:self action:@selector(backAction) forControlEvents:UIControlEventTouchUpInside];
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:backButton];