uiimageview

问题 I want to build simple video app thats views a video form youtube links thats users add. I didn't find "VideoView" I mean If image view is for image what is UIView for videos. 回答1: There is no object in the original library that performs video viewing function. But you can import the MediaPlayer framework in your project and add it programmatically. Here is a Swift example import MediaPlayer class Step1ViewController: UIViewController { var moviePlayer: MPMoviePlayerController? override func

问题 Hey I am new to Xcode and need of assistance in uploading my profile image from firebase database to my user profile. I have receive no errors so far but the image is not appearing when my user logs in, the image is already stored in firebase but when I attach the UIImageView to the user profile the image shows up blank do anyone have a solution to fix this code to make my image appear on the user profile once they log in it should be automatic? typealias blockCompletedWith = (Bool, String) -

问题 This question already has answers here : How change kCIInputBrightnessKey using slider value in Swift, I'm getting either white or black picture whatever value the slider get (1 answer) Why can't I invert my image back to original with CIFilter in my Swift iOS app (1 answer) Closed 2 years ago . I am trying to make a slider affect the brightness of a UIImageView. My outlet and action: @IBOutlet weak var previewImage: UIImageView! @IBAction func adjustBrightness(_ sender: UISlider) { let

问题 Hello everyone I am struggling with retrieving my image from firebase into my Image view. The first thing I do is create a method to retrieve the photo data in an array here is that code: class PhotoService { static func retrievePhotos(completion: @escaping ([Photo]) -> Void) { //get a databas refrence let db = Firestore.firestore() //get data from "photos" collection db.collection("photos").getDocuments { (snapshot, Error) in //check for errors if Error != nil { //error in retrieving photos

问题 Hello everyone I am struggling with retrieving my image from firebase into my Image view. The first thing I do is create a method to retrieve the photo data in an array here is that code: class PhotoService { static func retrievePhotos(completion: @escaping ([Photo]) -> Void) { //get a databas refrence let db = Firestore.firestore() //get data from "photos" collection db.collection("photos").getDocuments { (snapshot, Error) in //check for errors if Error != nil { //error in retrieving photos

问题 I would like to make Facebook share button on my app that shares the image that is loaded from the UIImageview. I cannot figure out how to do it.. There is option to add the text on Facebook share window, but can't add the image. Please help. import UIKit import Social class ViewController: UIViewController { @IBOutlet weak var saveButtonVar: UIButton! @IBOutlet weak var image: UIImageView! @IBAction func facebookBtn(sender: AnyObject) { var facebookBtn : SLComposeViewController =

问题 I would like to make Facebook share button on my app that shares the image that is loaded from the UIImageview. I cannot figure out how to do it.. There is option to add the text on Facebook share window, but can't add the image. Please help. import UIKit import Social class ViewController: UIViewController { @IBOutlet weak var saveButtonVar: UIButton! @IBOutlet weak var image: UIImageView! @IBAction func facebookBtn(sender: AnyObject) { var facebookBtn : SLComposeViewController =

问题 I have a UIImageView as the background for a view. User interaction is disabled. isAccessibilityElement is set to NO. This is verified by using debug view hierarchy when the app is running on device. And yet when I tap on the view that has that as the background is describes all the controls on it and then describes the image using automatic image recognition. Everything I've found online says this is a new iOS 14 feature and that it's great, but says nothing about how I can turn it off. I

问题 I have a UIImageView as the background for a view. User interaction is disabled. isAccessibilityElement is set to NO. This is verified by using debug view hierarchy when the app is running on device. And yet when I tap on the view that has that as the background is describes all the controls on it and then describes the image using automatic image recognition. Everything I've found online says this is a new iOS 14 feature and that it's great, but says nothing about how I can turn it off. I

问题 I currently have a ScrollView and inside the ScrollView i have a UIImageView . I get different image sizes from my server and most images are larger than the bounds of my screen. I would like to scroll through the image if it is bigger than my screen. Something like this.... This is what i have tried so far. let image = UIImage(named: "myImg") let heightInPoints = image?.size.height let heightInPixels = heightInPoints ?? 0 * image!.scale let widthInPoints = image?.size.width let widthInPixels