iOS自己定义返回button(不影响返回手势)

 此方法能够自己定义返回button,且不影响返回手势。

新方法:

 self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc]
                                         initWithImage:img
                                         style:UIBarButtonItemStylePlain
                                         target:self
                                         action:@selector(onBack:)];
self.navigationController.interactivePopGestureRecognizer.delegate = (id<UIGestureRecognizerDelegate>)self;



老方法:

    UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:self action:nil];
    self.navigationController.navigationBar.topItem.backBarButtonItem = backButton;




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原文地址:https://www.cnblogs.com/yfceshi/p/6884974.html