Memory growing and growing when using UIImageView's image

2011-05-17 Thread Gustavo Pizano
Hello.

UI have 2 UUIImageView which Im sliding in/out to display some images, but each 
time the new image slides in the memory keeps growing and growing and growing 
even I set to nil the image of the outgoing UIImageview.

This is what Im doing.

Please any help will be very appreciate it.

-(void)nextImage{
NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];

if(indexActualImage +1  [images count]){

if(self.currentImageView.superview){

indexActualImage ++;
self.nextImageView.image = [UIImage imageNamed:[[images 
objectAtIndex:indexActualImage]bigImageName]];
CGRect bounds = self.view.bounds;
bounds.origin= CGPointMake(bounds.size.width,0);
self.nextImageView.frame = bounds;
[self.view  insertSubview:self.nextImageView 
belowSubview:toolBarView];
[UIView animateWithDuration:0.5 
 animations:^{
 self.currentImageView.center = 
CGPointMake(-self.currentImageView.bounds.size.width/2, 
self.currentImageView.center.y);
 self.nextImageView.center = 
CGPointMake(self.nextImageView.bounds.size.width/2, 
self.nextImageView.center.y);   
 }
 completion:^(BOOL finished){
 self.currentImageView.image = nil;
 [self.currentImageView removeFromSuperview];
 [self  performSelector:@selector(fireTimer) 
withObject:nil afterDelay:4.0];
 
 }];
}
else if(self.nextImageView.superview){

indexActualImage ++;
self.currentImageView.image = [UIImage imageNamed:[[images 
objectAtIndex:indexActualImage]bigImageName]];
CGRect bounds = self.view.bounds;
bounds.origin= CGPointMake(bounds.size.width,0);
self.currentImageView.frame = bounds;
[self.view insertSubview:self.currentImageView 
belowSubview:toolBarView];
[UIView animateWithDuration:0.5 
 animations:^{
 self.nextImageView.center = 
CGPointMake(-self.nextImageView.bounds.size.width/2, 
self.nextImageView.center.y);
 self.currentImageView.center = 
CGPointMake(self.currentImageView.bounds.size.width/2, 
self.currentImageView.center.y);   
 }
 completion:^(BOOL finished){
 self.nextImageView.image = nil;
 [self.nextImageView removeFromSuperview];  

 [self  performSelector:@selector(fireTimer) 
withObject:nil afterDelay:4.0];
 
 }];
}

}
else{
indexActualImage = -1;
[self nextImage];
}

[pool drain];

}


Regards

Gustavo

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Re: Memory growing and growing when using UIImageView's image

2011-05-17 Thread David Duncan
On May 17, 2011, at 1:28 PM, Gustavo Pizano wrote:

self.nextImageView.image = [UIImage imageNamed:[[images 
 objectAtIndex:indexActualImage]bigImageName]];


Images loaded with +imageNamed: are cached by your application. This cache 
should respond to memory warnings, but until you get one your memory usage will 
keep growing and growing.
--
David Duncan

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