Hi,
I am working on a animal encyclopedia on iPhone. One of the pages displays
one photo of an animal. When the user swipes the screen the image is
replaced with another one.
This works fine and when tested in the simulator with the Instrument for
Object Allocation, all looks cool.
When I tested on the real iPhone with Instrument, the memory used increases
slowly but constantly so that eventually the application dies.
Here is the method that is doing the image changing (direction means if the
new image should come from left or from right). The class is a
UIViewController
-(void) displayAnimal: (int) animaIndex fromDirection:(int)direction{
crtIndex = animaIndex;
NSString* animalName = [[animalList objectAtIndex:animaIndex] objectForKey:
@"name"];
NSString* fileName = [[animalList objectAtIndex:animaIndex] objectForKey:
@"file"];
self.title = animalName;
//remove all the subviews
for (UIView *view in self.view.subviews) {
[view removeFromSuperview];
}
UIView* backgroundView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320,
480)];
backgroundView.backgroundColor = [UIColor blackColor];
[self.view addSubview:backgroundView];
[backgroundView release];
UIImage* image = [UIImage imageNamed:fileName];
UIImageView *imageView = [[UIImageView alloc] initWithImage:image];
[image release];
CGRect imageFrame = imageView.frame;
imageFrame.origin = CGPointMake(320*direction,0);
imageView.frame = imageFrame;
[self.view addSubview:imageView];
[UIView beginAnimations: nil context: @"identifier"];
[UIView setAnimationCurve: UIViewAnimationCurveEaseInOut];
[UIView setAnimationDuration:0.5];
imageFrame.origin = CGPointMake(0,0);
imageView.frame = imageFrame;
[UIView commitAnimations];
[imageView release];
}
Can you see anything that is not right? Why is the memory allocation showing
different in simulator and on the iPhone?
Thanks a lot,
Dragos
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