Question

I want to call a method when a UItextView is being slided on, and determine its tag. I was using this code:

-(IBAction)donecomment:(id)sender{

UISwipeGestureRecognizer *myLongPressRecognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(holdpress:)];
[textname addGestureRecognizer:myLongPressRecognizer];

textname.editable = NO;
textname.userInteractionEnabled = YES;

CGRect frame = textname.frame;
frame.size.height = textname.contentSize.height;
textname.frame = frame;

heightInteger = heightInteger + textname.contentSize.height + 6;

[textnameArray addObject:textname];

addComment.hidden = NO;
doneComment.hidden = YES;
cancelComment.hidden = YES;
}

-(void)holdpress:(id)sender{

UITextView *txtChoosen = (UITextView*) sender;

for (UITextView* txt in textnameArray) {
    if (txt.tag == txtChoosen.tag) {

        txt.layer.borderWidth = 5.0f;
        txt.layer.borderColor = [[UIColor whiteColor] CGColor];
    }else{

        txt.layer.borderWidth = 0.0f;
        txt.layer.borderColor = [[UIColor whiteColor] CGColor];
}}

…I get this error: reason: ‘-[PhotoViewController holdpress]: unrecognized selector sent to instance 0x22c1a000’

I think I can solve it using:

- (void)rightSwipeHandle:(UISwipeGestureRecognizer*)gestureRecognizer

…but using htis means removing the sender. What can I do?

Answer 1

Final solution:

-(IBAction)donecomment:(id)sender{

UISwipeGestureRecognizer *myLongPressRecognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(leftSwipe:)];
 //[myLongPressRecognizer setDirection:(UISwipeGestureRecognizerDirectionUp)];
[textname addGestureRecognizer:myLongPressRecognizer];

textname.editable = NO;
textname.userInteractionEnabled = YES;

CGRect frame = textname.frame;
frame.size.height = textname.contentSize.height;
textname.frame = frame;

heightInteger = heightInteger + textname.contentSize.height + 6;

[textnameArray addObject:textname];

addComment.hidden = NO;
doneComment.hidden = YES;
cancelComment.hidden = YES;

}

- (void)leftSwipe:(UISwipeGestureRecognizer *)recognizer {

id sender;
UITextView *txtChoosen = (UITextView*) sender;

for (UITextView* txt in textnameArray) {
    if (txt.tag == txtChoosen.tag) {

        txt.layer.borderWidth = 5.0f;
        txt.layer.borderColor = [[UIColor whiteColor] CGColor];
    }else{

        txt.layer.borderWidth = 0.0f;
        txt.layer.borderColor = [[UIColor whiteColor] CGColor];
}}