Ios 删除“;“一”;“目标操作”按钮中多个操作的操作
_btt1中有两个动作Ios 删除“;“一”;“目标操作”按钮中多个操作的操作,ios,objective-c,cocoa,target-action,Ios,Objective C,Cocoa,Target Action,_btt1中有两个动作 [_btt1 addTarget:self action:@selector(clicked:) forControlEvents:UIControlEventTouchUpInside]; [_btt1 addTarget:self action:@selector(clicked2:) forControlEvents:UIControlEventTouchUpInside]; [_btt1 removeTarget:self action:@selector(cl
[_btt1 addTarget:self action:@selector(clicked:) forControlEvents:UIControlEventTouchUpInside];
[_btt1 addTarget:self action:@selector(clicked2:) forControlEvents:UIControlEventTouchUpInside];
[_btt1 removeTarget:self action:@selector(clicked2:) forControlEvents:UIControlEventTouchUpInside];
我删除像这样的clicked2操作
2013-05-31 10:33:31.300 testTargetAndSelector[6029:c07] actions : (
"clicked:",
"clicked2:"
)
但在btt1中没有任何动作
[_btt1 addTarget:self action:@selector(clicked:) forControlEvents:UIControlEventTouchUpInside];
[_btt1 addTarget:self action:@selector(clicked2:) forControlEvents:UIControlEventTouchUpInside];
[_btt1 removeTarget:self action:@selector(clicked2:) forControlEvents:UIControlEventTouchUpInside];
如何从多个操作中删除单个操作?不知道为什么会发生这种情况。但为什么需要删除目标?我认为你可以在动作中做一些事情,而不是移除动作。我知道这一点。但这是我认为最简单的方法,尽管它有问题。