我想使用UIImagePickerController让我的用户选择照片或拍照以在我的应用中使用。但是,每当从他们的照片中选择图像或者他们选择使用拍摄的照片时,该应用程序似乎大部分时间都会崩溃。我用NSZombie对象,我得到这个消息:使用UIImagePickerController时iOS 7崩溃BAD_ACCESS
[NSISRestrictedToNonNegativeVariable保留]:消息发送到释放实例0x168c3530
我不知道是怎么回事。当我偶尔呈现模态视图时,也出现了同样的问题。
这里是我呈现的UIImagePickerController和处理响应代码:
- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex
{
if ([[actionSheet buttonTitleAtIndex:buttonIndex] isEqualToString:CANCEL_TITLE]) {
return;
}
UIImagePickerControllerSourceType sourceType = buttonIndex == 0 ? UIImagePickerControllerSourceTypePhotoLibrary : UIImagePickerControllerSourceTypeCamera;
UIImagePickerController* controller = [[UIImagePickerController alloc] init];
controller.sourceType = sourceType;
[controller setDelegate:self];
if (buttonIndex == 1) {
//PNCoverOverlayView* overlayView = [PNCoverOverlayView viewWithNibNamed:nil];
//[controller setCameraOverlayView:overlayView];
[controller setShowsCameraControls:YES];
}
[self presentViewController:controller animated:YES completion:nil];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
[picker dismissViewControllerAnimated:YES completion:^{
UIImage* originalImage = info[UIImagePickerControllerOriginalImage];
_imageToUpload = originalImage;
CGFloat scaleAdjust = ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] && [[UIScreen mainScreen] scale] == 2) ? 0.5 : 1;
CGFloat length = LENGTH * scaleAdjust;
if ([picker sourceType] == UIImagePickerControllerSourceTypeCamera) {
PNCoverOverlayView* overlay = (PNCoverOverlayView*)[picker cameraOverlayView];
CGSize overlaySize = [overlay frame].size;
UIImage* cropped = [UIImage imageCroppedToSize:overlaySize fromImage:originalImage];
_imageToUpload =[UIImage imageResizedToSize:CGSizeMake(length, length) fromImage:cropped];
} else {
_imageToUpload = [UIImage imageScaledToMaximumLength:length fromImage:originalImage];
}
[self performSegueWithIdentifier:@"reviewPhotoUpload" sender:self];
}];
}
我注释掉添加自定义覆盖到的UIImagePickerController,因为固定的应用呈现的UIImagePickerController
您的问题是否解决? – NeverHopeless
否我的问题没有解决 – user3072533
遇到同样的问题,仍然没有找到解决方法。 –