uiimagepickercontroller

问题 I have a UIImagePickerController which with it I select a photo from Library, or take a photo with Camera and then show the selected photo in a UIImageView . I want to upload this photo later to an API (which still don't know how to upload photos, have never done it). So what I want is a feature like WhatsApp selecting photos feature which you can select let's say 20 photos and then you can see them. (I mean for my case I only have one UIImageView and can only show one photo. What is the

问题 This is driving me crazy! I'm successfully saving a photo to my applications document directory from both the camera and if I choose an existing one from the camera roll. The code to do this is as follows. Note I know this part is working because in the simulator I can browse to the apps Documents folder and see the file being saved. Example "save" code: //Note: code above snipped to keep this part of the question short case 1: { // select from library NSLog(@"select from camera roll"); if(

问题 i am using asset library for getting image from url , my code is ALAssetsLibraryAssetForURLResultBlock resultblock = ^(ALAsset *myasset){ ALAssetRepresentation *rep = [myasset defaultRepresentation]; CGImageRef iref = [rep fullResolutionImage]; UIImage *largeimage; if (iref) { largeimage = [UIImage imageWithCGImage:iref]; } [self customeButtonCreated:self]; NSData* thumbImageData = [[NSData alloc] initWithContentsOfFile:imagePath]; btn1.frame = CGRectMake(x, y, WIDTH, HEIGHT); [btn1 setTag

问题 Please look at the image below !! So in this image... You can see a pop-up from the bottom which gives the user 3 options when he 'taps' the 'Camera' button. What is that view ? Is it a modal view controller which gets dismissed when an option is selected ? Edit: So it is UIActionSheet ! I have one more question on this, but StackOverflow would love it if I could edit the question rather than putting up a new one. So yes.. The option "Take Photo" uses the UIImagePickerController, and the

问题 This question already has answers here : UIImagePickerController in Landscape (9 answers) Force landscape orientation in UIImagePickerController (3 answers) Closed 5 years ago . My application is in Landscape. I am using UIImagePickerController to record a video . But whenever we call the UIImagePickerController , it is coming in portrait mode. I decided to rotate the layout of imagep picker controller by using UIImagePickerController` Subclass. Through this, image picker controller layout is

问题 picker.showsCameraControls = NO; picker.cameraOverlayView = someView; As I will add some custom view to showCameraControls, then how can I switch in between modes, like native app of iphone switches between camera and recording, same as I want to switch between camera and one more camera having button on it, how can I do it? Help ! 回答1: This sample project shows you how to make your own custom overlay for the UIImagePickerController, and how to use it. For more info on what each of the

问题 Using presentModalViewController with UIImagePickerController causing Crash on iOS 5 (its running fine on version<5), i am trying to get all the albums on the device, using 'UIImagePickerControllerSourceTypeSavedPhotosAlbum' is only getting the Camera images, so when i change the sourceType to 'UIImagePickerControllerSourceTypePhotoLibrary' it crashes, i appreciate any help, here is my code: float version = [[[UIDevice currentDevice] systemVersion] floatValue]; if(version < 5) imgPicker

问题 I am developing an iPhone App where I need to only view all the videos present in the Photos Library of a device. I am using the following code UIImagePickerController picker = [[UIImagePickerController alloc] init]; picker.mediaTypes = [NSArray arrayWithObject:(NSString*)kUTTypeMovie]; I have imported and added the MobileCoreServices framework to my project. It works great on the iPhone 3GS, running on iOS 4.3, but when I run it on my iPod Touch, having iOS 4.2.1, it shows a runtime

问题 I have built a sample project on camera and library. Now, my question is can I store the images that I am selecting from library into an array? I am using this code. UIImage *chosenImage = info[UIImagePickerControllerEditedImage]; [self.arrImages addObject:chosenImage]; Now by placing breakpoints, I came to know that, in my array always 1object is storing even after I chosen images for more than one times. Can anyone give my any idea how can I do it? Any help is highly appreciated. 回答1: Try

问题 I've almost finished converting a large Universal app to use Storyboards, but have one issue that is stumping me. I have created a Scene for a custom UIImagePickerController, but I can't figure out how to unwind from it. I know I could just dismiss the controller, but I want to use the unwind process to pass the image back to the original source view controller. When I try to do the manual unwind, I get the following exception: 'NSInvalidArgumentException', reason: 'Receiver (