My need was to have a similar view across several UITableViews, so I created the reusable class that could easily be set within the view flow.

You can’t adjust the view height if there is any type of status bar attached to it, just get rid of the default status bar and you can adjust the height.

}

- (id)initWithFrame:(CGRect)frame
{
if (self) {
NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@”MyView” owner:self options:nil];
[self release];
self = [nib objectAtIndex:0];
// NOTE: WE SOULD RETAIN self HERE to return an object that has a true/permanent (ie. non-autoreleased) retainCount of 1
}
return self;
}

Create a simple viewcontroller with some buttons

@interface AllocTestViewController : UIViewController {
NSMutableArray *_added;
}

- (IBAction)onAddPressed;
- (IBAction)onAddWithoutPressed;
- (IBAction)onLog;
@end

#import “AllocTestViewController.h”
#import “MyView.h”

@implementation AllocTestViewController

- (void)viewDidLoad
{
_added = [[NSMutableArray alloc] init];
}

- (void)onAddPressed
{

MyView *v = [[MyView alloc] initWithFrame:self.view.frame];
[_added addObject:v];
[v release];
NSLog(@”Added and released view. Retain count now %d”, [v retainCount]);
}

- (void)onAddWithoutPressed
{
MyView *v = [[MyView alloc] initWithFrame:self.view.frame];
[_added addObject:v];
NSLog(@”Added view. Retain count now %d”, [v retainCount]);
}

- (IBAction)onLog
{
for (UIView *v in _added)
{
NSLog(@”View %@ has retain count %d”, v, [v retainCount]);
}
}

@end

Run it and press some buttons => crash

I’ve uploaded the example here: http://www.2shared.com/file/Y1Shaf_p/AllocTest.html

Before – when not retaining the object loaded from the nib – I got a crash

From apple doc on loadNibNamed:owner:options:
“You should retain either the returned array or the objects it contains manually to prevent the nib file objects from being released prematurely.”

This is a nice tutorial.Good job.

You mentioned that you don’t know why you cant change the height of UIView if it is created using view based xib. I think if you go to view attributes and change Status Bar value from Gray to undefined then it will allow you to change the size of view. Hope it helps.

Cheers.

danke.

To add shadows on versions <4.0, you can override drawRect in your custom class and throw in a little Core Graphics (Ray has a great tutorial here). Slightly more code but you can get the same results.