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Is it possible to detect when the "@123" is pressed on the keyboard? I have a custom input accessory view that I want to change depending what keyboard is shown to the user.

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Berry Blue
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  • See http://stackoverflow.com/questions/21255323/how-to-detect-when-the-ios-default-keyboard-type-switches-from-text-to-numbers – rmaddy Apr 14 '14 at 23:07
  • I am also trying to find out the possible option of the same issue. I want to manually trigger @123 button press event after launching keyboard. Did you find any solution for this?? – Srini Jun 22 '15 at 18:03

1 Answers1

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To quote from the following link

You can register for the UITextInputCurrentInputModeDidChangeNotification to be alerted when the current input mode changes."

[[NSNotificationCenter defaultCenter] addObserver:self
                                     selector:@selector(inputModeDidChange:)
                                         name:UIKeyboardCurrentInputModeDidChangeNotification
                                       object:nil];

and 

- (void)inputModeDidChange:(NSNotification*)notification
{
    id obj = [notification object];
    if ([obj respondsToSelector:@selector(inputModeLastUsedPreference)]) {
    id mode = [obj performSelector:@selector(inputModeLastUsedPreference)];
        NSLog(@"mode: %@", mode);
    }
}

Possible duplicate, have you looked at

this post (Detecting current iPhone input language) or this post (how to detect when the iOS default keyboard type switches from text to numbers)

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flooie
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  • `UITextInputCurrentInputModeDidChangeNotification` is only notified when language changes, not when the keyboard changes from, say, alphabet to numbers. – mattsson Jan 26 '16 at 12:08