Some Xcode Keyboard Delegates

gistfile1.m

#pragma mark - keyboard delegates

-(void) textFieldDidBeginEditing:(UITextField *)textFieldView 
{  
    currentTextField = textFieldView;
} 

- (BOOL)textFieldShouldReturn:(UITextField *)textField 
{
    if(textField == titleOfImageTextField) 
    {
        [urlOfImageTextFiled becomeFirstResponder];
        sendButton.hidden = NO;
    } 
    else 
    {
        assert(textField == urlOfImageTextFiled);
        [textField resignFirstResponder];
        if([titleOfImageTextField.text compare:@""] != NSOrderedSame) 
        {
            sendButton.hidden = NO;
        }
    } 
	return YES;
}

-(void) textFieldDidEndEditing:(UITextField *) textFieldView
{  
    currentTextField = nil;
}

-(void) keyboardDidShow:(NSNotification *) notification 
{
    if (keyboardIsShown) {
        return;
	}
	
	NSDictionary* info = [notification userInfo];
	NSValue* aValue = [info objectForKey:UIKeyboardBoundsUserInfoKey];
	CGSize keyboardSize = [aValue CGRectValue].size;
	
//Create offset for the view to move above the keyboard
	offset = theScroll.contentOffset;
	
    CGRect viewFrame = theScroll.frame;
	viewFrame.size.height -= keyboardSize.height;
	theScroll.frame = viewFrame;
	
	CGRect textFieldRect = [currentTextField frame];
	textFieldRect.origin.y += 100; //this number you might want to adjust
	[theScroll scrollRectToVisible: textFieldRect animated:YES];
	keyboardIsShown = YES;
    
}

-(void) keyboardDidHide:(NSNotification *) notification 
{
    if (!keyboardIsShown) {
		return; 
	}
	
	theScroll.frame = CGRectMake(0, 0, SCROLLVIEW_CONTENT_WIDTH, SCROLLVIEW_CONTENT_HEIGHT);
	
	theScroll.contentOffset = offset;
	
    keyboardIsShown = NO;
    
}