解决方法
只需覆盖becomeFirstResponder即可调用您的方法.就像是,
- (BOOL)becomeFirstResponder
{
BOOL returnValue = [super becomeFirstResponder];
if (returnValue) {
[self method];
}
return returnValue;
}
有关响应方法的更多信息,请参阅此处的文档：http://developer.apple.com/library/ios/#DOCUMENTATION/UIKit/Reference/UIResponder_Class/Reference/Reference.html#//apple_ref/occ/cl/UIResponder