flashisobar's Blog

@interface LoginViewController : UIViewController <UITextFieldDelegate>

- (void)initTextField
{
  // if you have a scrollview, you need set it.
  UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hideKeyboard)];
  tapGesture.cancelsTouchesInView = NO;
  [self.layoutView addGestureRecognizer:tapGesture];
  
  // set delegate
  self.textFieldForEmail.delegate = self;
  self.textFieldForPassword.delegate = self;
}

#pragma mark - textfield delgate

// hidden keyboard
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
  NSLog(@"touchBegan:");
  [self.view endEditing:YES];
  [super touchesBegan:touches withEvent:event];
}

// clean init text
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
  NSLog(@"shouldBeginEditing");
  return YES;
}

- (BOOL)textFieldShouldEndEditing:(UITextField *)textField
{
  NSLog(@"shouldEndEditing");
  return YES;
}

-(BOOL)textFieldShouldClear:(UITextField *)textField
{
  NSLog(@"shouldClear");
  return YES;
}

- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
  NSLog(@"shouldReturn:%d",textField.tag);
  // jump to next textfield
  //[textField resignFirstResponder];
  return YES;
}

// user input
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
  return YES;
}

// method to hide keyboard when user taps on a scrollview
- (void)hideKeyboard
{
  //  [self.textFieldForUserName resignFirstResponder];
  [self.view endEditing:YES];
}