自定义导航栏返回按钮

项目需要使用到自定义导航栏返回按钮，这里做一个笔记。}

- (void)viewDidLoad {

[super viewDidLoad];

[self.navigationItem setHidesBackButton:YES];

self.navigationController.navigationBar.barTintColor = kProjectColorBlue;

[self.navigationController.navigationBar setTitleTextAttributes:

@{NSFontAttributeName:[UIFont systemFontOfSize:19],

NSForegroundColorAttributeName:[UIColor whiteColor]}];

UIButton *leftButton = [UIButton buttonWithType:UIButtonTypeCustom];

leftButton.frame = CGRectMake(0, 0, 30, 30);

[leftButton setImage:[UIImage imageNamed:@"ico_back_unchecked.png"] forState:UIControlStateNormal];

[leftButton setImage:[UIImage imageNamed:@"ico_back_checked.png"] forState:UIControlStateSelected];

[leftButton addTarget:self action:@selector(backAction:) forControlEvents:UIControlEventTouchUpInside];

UIBarButtonItem *left = [[UIBarButtonItem alloc]initWithCustomView:leftButton];

UIBarButtonItem *left1 = [[UIBarButtonItem alloc]initWithCustomView:[UIButton buttonWithType:UIButtonTypeCustom]];

self.navigationItem.leftBarButtonItems = [NSArray arrayWithObjects:left,left1,nil];

}

在这里自定义返回按钮的时候，一开始只有一个uibarbuttonitem，结果导致点击按钮到标题之间的位置也会响应到按钮的事件，这时候只需要多添加一个按钮用于占位即可。