在viewDidLoad中添加手势识别器,handleBackgroundTap:使文本字段取消第一响应者状态.
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
UITapGestureRecognizer *tapRecognizer = [[UITapGestureRecognizer alloc]
initWithTarget:self action:@selector(handleBackgroundTap:)];
tapRecognizer.cancelsTouchesInView = NO;
[self.view addGestureRecognizer:tapRecognizer];
}
- (void) handleBackgroundTap:(UITapGestureRecognizer*)sender
{
[nameField resignFirstResponder];
[SexField resignFirstResponder];
}
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