Question

Basically, what I want to do is detect when a user scrolls inside a text view, and then hide a label (Smoothly fade out, if possible). (The label indicates to scroll to view the rest of the text, but I don’t want it to still show after the user has done so.)

If you could include in your answer the code used in the h/m files, it would be greatly appreciated.

Updated code for future reference:

.h

@interface myViewController : UIViewController

@property(nonatomic,retain) IBOutlet UILabel *label;

.m

@synthesize label;

- (void)scrollViewDidScroll:(UIScrollView *)textView
{
    [UIView animateWithDuration:1.0 animations:^{
        label.alpha = 0;
    }];
}

Then make sure to set the UITextView delegate to self.

Answer 1

You can use UIScrollView’s delegate method – scrollViewDidScroll: to detect that the user has scrolled, and fade out your label with a UIView animation block, like so:

[UIView animateWithDuration:1.0 animations:^{
    label.alpha = 0
}];