dismisskeyboard-in-ios.md

Add UITextFieldDelegate then assign delegate for every uitextfield in the view

// Detect user touches outside keyboard and dismiss the keyboard
- (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    [self.view endEditing:YES];
}

[texfield addTarget:self action:@selector(dismissKeyboard:) forControlEvents:UIControlEventEditingDidEndOnExit];


// Dismiss keyboard when return key is pressed
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
    [textField resignFirstResponder];
    return YES;
}