Hi,
I *KNOW* this must be something absolutely stupid I'm missing, but I'm
stuck with this:
I have an UIView that's supposed to display an explanatory overlay
image whenever it's touched. When the user lifts the finger, the
overlay should fade away. To accomplish this I do the following Inside
my OverlayView's init method:
self.layer.contents = (id)[UIImage imageNamed:@"overlay.png"] CGImage];
self.layer.opacity = 0.0;
and then, inside the touchBegan: and touchEnded: methods I set the
opacity to 1.0 and 0.0 respectively.
Now, this doesn't work at all, the view doesn't receive the
touchBegan: and touchEnded: methods. But everything works fine if I
set the opacity to 0.1 instead of 0.0!! And for instance, when I do
this:
1. set opacity to 0.1 in the init call...
2. set opacity to 1.0 in the touchBegan call...
3. set opacity to 0.0 (!!!) in the touchEnded call...
all subsequent touches are ignored, touchBegan:, touchEnded:, etc. are
never called again.
Any help on this is very very much appreciated!
Thanks, Sebastian
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