how to add subviews in a 'for' loop - iphone

Question

I'm simply trying to add a UIView for every object in an array without displaying more than 3 on screen but the views aren't next to each other. There is a big gap (one view width) between each view. Here's what I've got;
int numberOfUsersOnScreen;
if (array.count < 3) {
numberOfViewsOnScreen = array.count;
}else{
numberOfUsersOnScreen = 3;
}
double width = (self.scrollView.frame.size.width/numberOfViewsOnScreen);
CGRect r = CGRectMake(0, 0, width, 1200);
[self.usersScrollView setContentSize:CGSizeMake(width*array.count, 0)];
for (int i = 0; i < users.count; i++) {
r.origin.x = width * i;
UIView * view = [[UIView alloc] initFrame:r];
[self.scrollView addSubview:view];
}

Answer 1

Try this:
int xPosition = 0;
for (int i = 0; i < users.count; i++) {
UIView * view = [[UIView alloc] initFrame:CGRectMake(xPosition, 0, width, 1200)];
[self.scrollView addSubview:view];
xPosition += width;
}

Answer 2

Instead of
[self.scrollView setContentSize:CGSizeMake(width*array.count, 0)];
It should be
[self.scrollView setContentSize:CGSizeMake(width*array.count, self.scrollView.frame.size.height)];

Answer 3

for (int i = 0; i < users.count; i++) {
r.origin.x = width * i;
UIView * view = [[UIView alloc] initFrame:r];
[self.scrollView addSubview:view];
}
In this way you have also a memory leak on view(s) object
for (int i = 0; i < users.count; i++) {
r.origin.x = width * i;
UIView * view = [[UIView alloc] initFrame:r];
[self.scrollView addSubview:view];
[view release];
}