文本框输入与键盘隐藏

//移除通知

- (void)dealloc {

[[NSNotificationCenter defaultCenter]removeObserver:nil];

}

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view from its nib.

//添加tap手势

self.tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hidesKeyboard)];

self.tapGesture.enabled = NO;//最开始手势设为no

[self.view addGestureRecognizer:self.tapGesture];

//键盘显示我用了通知结合手势来的

//注册通知，

[[NSNotificationCenter defaultCenter] addObserver:self

selector:@selector(keyboardWillShow)

name:UIKeyboardWillShowNotification

object:nil];

}

//隐藏键盘

- (void)hidesKeyboard{

[self.view endEditing:YES];

self.tapGesture.enabled = NO;

}

// 完成通知的方法就是把手势设为yes即可

- (void)keyboardWillShow {

self.tapGesture.enabled = YES;

}