iOS相机内存警告的解决办法

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info

[picker dismissViewControllerAnimated:YES completion:nil];

picker.videoQuality = UIImagePickerControllerQualityTypeLow;

[NSThread detachNewThreadSelector:@selector(useImage:) toTarget:self withObject:image];

- (void)useImage:(UIImage *)image
{
CGSize size = CGSizeMake(106, 106);
UIGraphicsBeginImageContext(size);
[image drawInRect:CGRectMake(0, 0, size.width, size.height)];
UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
[imageView setImage:newImage forState:UIControlStateNormal];
}