uiimagepickercontroller

问题 I have divergent needs for the image returned from the iPhone camera. My app scales the image down for upload and display and, recently, I added the ability to save the image to the Photos app. At first I was assigning the returned value to two separate variables, but it turned out that they were sharing the same object, so I was getting two scaled-down images instead of having one at full scale. After figuring out that you can't do UIImage *copyImage = [myImage copy]; , I made a copy using

问题 I want to add two extra buttons to my UIImagePickerController. I saw that done in an app: camwow but I couldn't find the documentation to do that. I have a view overlay over the UIImagePickerControllerSourceTypeCamera but at the moment touches on the buttons from the view overlay propagate to the camera controller which focuses. 回答1: I have had the same problem. Read these articles http://blog.airsource.co.uk/index.php/2008/11/11/views-of-uiimagepickercontroller/ and http://www.codza.com

问题 Actually I want to convert TOCropViewController delegate method.I used bridge_header in swift project & call TOCropViewController class in bridge_header file.Then I put delegate method in viewcontroller.swift.As far I did this let cropViewController = TOCropViewController(image:image) cropViewController.delegate = self self.presentViewController(cropViewController, animated: true, completion: nil) self.imageView.image = image But the how can convert below objective c TOCropViewController

问题 I'm trying to build an app in which I'm able to capture image with camera and save to gallery. But I'm unable to get the file name of image. If I select image from camera roll, then I'm able to get file name of selected image.But when I capture image with camera in my app, It returns file name " null ". Here is my code to save and select image from gallery using UIImagePickerController - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary

问题 Hi all I am implementing the following code to take a photo through my application [[[UIApplication sharedApplication] keyWindow] setRootViewController:picker]; picker.sourceType = UIImagePickerControllerSourceTypeCamera; [self presentModalViewController:picker animated:NO]; Can anyone tel me How I can go to the photo gallery after the user takes the photo and not return to the application. 回答1: i think you might want to try this How to open camera while I click the UIButton in iPhone? or i

问题 Hi all I am implementing the following code to take a photo through my application [[[UIApplication sharedApplication] keyWindow] setRootViewController:picker]; picker.sourceType = UIImagePickerControllerSourceTypeCamera; [self presentModalViewController:picker animated:NO]; Can anyone tel me How I can go to the photo gallery after the user takes the photo and not return to the application. 回答1: i think you might want to try this How to open camera while I click the UIButton in iPhone? or i

问题 I have bug with UIImagePickerController which source type is camera. Sometimes after controller appeared, shutter is not opens up and I can't to see a camera video signal, but photo taken is correct. May be I doing something wrong? Code: if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]){ UIImagePickerController *cameraUI = [[UIImagePickerController alloc] init]; cameraUI.sourceType = UIImagePickerControllerSourceTypeCamera; cameraUI.allowsEditing =

问题 I'm trying to retrieve a PHAsset however PHAsset.fetchAssets(withALAssetURLs:options:) is deprecated from iOS 8 so how can I properly retrieve a PHAsset? 回答1: I had the same the issue, first check permissions and request access: let status = PHPhotoLibrary.authorizationStatus() if status == .notDetermined { PHPhotoLibrary.requestAuthorization({status in }) } Just hook that up to whatever triggers your UIImagePickerController. The delegate call should now include the PHAsset in the userInfo.

问题 I've referred to this very good reference: https://stackoverflow.com/questions/1282830/uiimagepickercontroller-uiimage-memory-and-more but I'm having some very serious issues. After I take a photo, I receive a memory warning. This is for the first photo I take, not the second or third. I was wondering if it's because I've got a couple of small jpegs loaded from the application directory into scrolling views. The only solution I can think of is to unload everything in my mainview whilst the

问题 - (void)videoPickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<UIImagePickerControllerInfoKey,id> *)info returns different URLs in iOS 13 and the other iOSs. Any idea why this might be happening? iOS 13: file:///private/var/mobile/Containers/Data/PluginKitPlugin/0849234B-837C-43ED-BEDD-DE4F79E7CE96/tmp/trim.B8AB021D-F4B6-4E50-A93C-8B7F7FB40A1C.MOV < iOS 13: file:///private/var/mobile/Containers/Data/Application/5AE52A95-6A2F-49A5-8210-D70E022E9A05