xamarin.ios

问题 As soon as I open my app in iPhone 8 , it suddenly crashes from today. It was working fine till yesterday night. This app is downloaded from app store which was published 3 weeks ago. Previously I used to have Corrupt database error and it kept crashing, but today the log says some SIGABRT exception. Here is the log file from Analytics data from the device: {"app_name":"TCRMobile.iOS","timestamp":"2018-09-13 10:29:23.02 -0700","app_version":"1.0.0","slice_uuid":"e52d1787-ffb2-3fb1-b09d

问题 I have a Fresh application with basically no code added to it except the following Code. If I try it in a simulator it goes into update state and says unsupported. If I try to run in on a 6 generation ipad (with bluetooth turned on) the application crashes as soon as debugging exits UIButton231_TouchUpInside (and never goes into the catch). Am I missing anything? CBCentralManager _central; partial void UIButton231_TouchUpInside(UIButton sender) { try { BluetoothLEManager(); } catch (Exception

问题 After passing from iOS 12 to 13 I am no more able to get the SSID of the connected wifi network. I tried the solution for iOS 13 proposed in this question but with no result. My previous successful code for iOS 12 (moreover 'CaptiveNetwork' is deprecated now): if (CaptiveNetwork.TryGetSupportedInterfaces(out string[] supportedInterfaces) == StatusCode.OK) { foreach (var item in supportedInterfaces) { if (CaptiveNetwork.TryCopyCurrentNetworkInfo(item, out NSDictionary info) == StatusCode.OK) {

问题 i'm trying to implement the OTC into my app. I'm doing the next: _txtField = new UITextField() { UserInteractionEnabled = true, TextContentType = UITextContentType.OneTimeCode }; _txtFieldDelegate = new UITextFieldDelegate(); _txtField.Delegate = _txtFieldDelegate; I got the SMS, but i have nothing to fill the TextField, what more i need to get this works? 回答1: Firstly, OneTimeCode is available after iOS 12.0.So,add the following code if (UIDevice.CurrentDevice.CheckSystemVersion(12, 0)) {

问题 My Xamarin.IOS app gets build error: "cannot convert type byte[] to UIKit.UIImage" My code: ImageView_camera.Image = Camera_Socket_Client.packet_frame_state.buffer; The buffer contains a frame sent by socket from a UWP Windows app, which got the frame from a USB camera from a Logitech HD 1080p webcam. I want to show live image from webcam at IPAD. 回答1: UIImage.LoadFromData(NSData.FromArray(myByteArray)); 来源： https://stackoverflow.com/questions/53890842/how-to-convert-image-in-a-byte-array-to

问题 My Xamarin application runs flawlessly when ran on a simulator, or on Android. The problem is arisen when I deploy it to TestFlight and attempt to run it on iOS. It's giving a very odd behavior which I've been trying to wrap my head around for some time. About 70% of the time, the app crashes immediately on launch. Once the app crashes, you can re-launch the app and it will have no issue. Then if you restart the device, or wait hours (I'm assuming because whatever iOS's garbage collection is

问题 I'm trying to initialize a CLLocationCoordinate2D class in a iOS custom render that i have, and in the constructor i can pass a Latitude and Longitude (double, double) as parameters to initialize it, but whatever the values i give, the class always comes with the default double value for the Latitude and Longitude. (0,0) , here is how i tried to initialize it at first: CLLocationCoordinate2D iosCoords = new CLLocationCoordinate2D(38.00000000000000, -9.00000000000000); //This inits has (0,0) /

问题 I'm trying to initialize a CLLocationCoordinate2D class in a iOS custom render that i have, and in the constructor i can pass a Latitude and Longitude (double, double) as parameters to initialize it, but whatever the values i give, the class always comes with the default double value for the Latitude and Longitude. (0,0) , here is how i tried to initialize it at first: CLLocationCoordinate2D iosCoords = new CLLocationCoordinate2D(38.00000000000000, -9.00000000000000); //This inits has (0,0) /

问题 I have a one picker and I have one Firebase Database. And I wanna add data my picker. How can I add data from my firebase database in a picker in my Xamarin form ? 来源： https://stackoverflow.com/questions/63684808/xamarin-picker-add-data-from-firebase

问题 Converting xamarin plugin to SDK style plugin (i.e. ). I'm receiving nil. System.Exception: 'Could not initialize an instance of the type 'UIKit.UIImage': the native 'initWithContentsOfFile:' method returned nil. var favoriteImage = new UIImage("color-picker-favorite@2x.png") I've moved this file into Resources folder (didn't work), and I've used the following to link it to Resources folder in my project. <BundleResource Include="..\PopColorPicker.iOS.Shared\Resources\color-picker-favorite