我从一个非常简单的函数中获得了内存泄漏问题。这里是我的代码:UIImage setImage:导致内存泄漏
-(void) drawPuzzle
{
gameView.image=nil;
UIGraphicsBeginImageContext(gameView.frame.size);
[gameView.image drawInRect:CGRectMake(0,
0,
gameView.frame.size.width,
gameView.frame.size.height)];
CGContextRef con=UIGraphicsGetCurrentContext();
CGContextMoveToPoint(con, 20,0);
CGContextAddLineToPoint(con,20, gameView.frame.size.height);
CGContextStrokePath(con);
UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
[gameView setImage:newImage];
}
文书报告如下:
Event Type RefCt Responsible Caller
Malloc 1 +[UIImage imageWithCGImage: scale: orientation:]
Autorelease +[UIImage imageWithCGImage: scale: orientation:]
Retain 2 -[UIImageView setImage:]
Release 1 -[NSAutoreleasePool drain]
你释放gameView.image释放
newImage
? (假设它由setImage保留) – giorashc 2012-04-02 13:03:40如何? [gameView.image release]或gameView.image = nil?我不知道为什么我需要[gameView.image发布],但我在[gameView发布]之前做过gameView.image = nil。 – Lynn 2012-04-02 13:19:49
[gameView.image release]; – Lynn 2012-04-02 13:22:06