MediaImplementation.TakeMediaAsync Exception

Bug

Sometimes on Android when taking a photo I get that excpetion.

Version Number of Plugin: 2.6.0.12-beta Device Tested On: LENOVO T2-A7-20F

Package: com.rolsped.TruckerApp Version Code: 27 Version Name: 1.0 Android: 4.4.2 Android Build: T2-A7-20F_S000009_151022_ROW Manufacturer: Lenovo Model: Tab2A7-20F Thread: main-1 Start Date: Wed Oct 26 20:56:22 CEST 2016 Date: Wed Oct 26 21:03:27 CEST 2016 Format: Xamarin

Xamarin caused by: android.runtime.JavaProxyThrowable: System.InvalidOperationException: Only one operation can be active at a time at Plugin.Media.MediaImplementation.TakeMediaAsync (System.String type, System.String action, Plugin.Media.Abstractions.StoreMediaOptions options) [0x00039] in <35066fbd82df477487a6a1e39050b480>:0 at Plugin.Media.MediaImplementation+<PickPhotoAsync>d__17.MoveNext () [0x0008a] in <35066fbd82df477487a6a1e39050b480>:0 — End of stack trace from previous location where exception was thrown — at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <fe5ae17f49cd42d9923d7a78735dd424>:0 at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x0004e] in <fe5ae17f49cd42d9923d7a78735dd424>:0 at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x0002e] in <fe5ae17f49cd42d9923d7a78735dd424>:0 at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x0000b] in <fe5ae17f49cd42d9923d7a78735dd424>:0 at System.Runtime.CompilerServices.TaskAwaiter`1[TResult].GetResult () [0x00000] in <fe5ae17f49cd42d9923d7a78735dd424>:0 at trucker_rolsped.Pages.MediaPage+<<-ctor>b__5_2>d.MoveNext () [0x001ce] in <097cdfc3784648edab9e909af0f616aa>:0 — End of stack trace from previous location where exception was thrown — at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <fe5ae17f49cd42d9923d7a78735dd424>:0 at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<ThrowAsync>m__0 (System.Object state) [0x00000] in <fe5ae17f49cd42d9923d7a78735dd424>:0 at Android.App.SyncContext+<Post>c__AnonStorey0.<>m__0 () [0x00000] in <79e6945a2f4a4e2f844e36c860dfb012>:0 at Java.Lang.Thread+RunnableImplementor.Run () [0x0000b] in <79e6945a2f4a4e2f844e36c860dfb012>:0 at Java.Lang.IRunnableInvoker.n_Run (System.IntPtr jnienv, System.IntPtr native__this) [0x00009] in <79e6945a2f4a4e2f844e36c860dfb012>:0 at (wrapper dynamic-method) System.Object:93cfcaba-4c78-4a88-a4df-f54a276b6364 (intptr,intptr) at mono.java.lang.RunnableImplementor.n_run(Native Method) at mono.java.lang.RunnableImplementor.run(RunnableImplementor.java:30) at android.os.Handler.handleCallback(Handler.java:808) at android.os.Handler.dispatchMessage(Handler.java:103) at android.os.Looper.loop(Looper.java:193) at android.app.ActivityThread.main(ActivityThread.java:5341) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:825) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:641) at dalvik.system.NativeStart.main(Native Method)

[ericbrunner]

@sbonello Thanks. My code is from the sample like that. The only difference is that I create a copy of the media stream because xamarin thankfully disposes the stream when loaded with ImageSource.FromStream and I need the stream for upload afterwards to the image preview.

takePhoto.Clicked += async (sender, args) =>
        {
            await CrossMedia.Current.Initialize();

            if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakePhotoSupported)
            {
                await DisplayAlert("Media Info", "Keine Kamera verfügbar.", "OK");
                return;
            }

            SelectedMedia = new TruckerAppMediaFile
            {
                Type = MediaType.Photo,
                File = await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions
                {
                    PhotoSize = PhotoSize.Medium,
                    CompressionQuality = 92,
                    SaveToAlbum = true,
                    Directory = "TruckerAppPhotos",
                    Name = $"{DateTime.Now}_documenttypeXYZ.jpg"
                })
            };


            if (SelectedMedia?.File == null)
            {
                await DisplayAlert("Media Info", "Es wurde kein Foto erstellt.", "OK");
                return;
            }


            var imageStream = await DependencyService.Get<Interfaces.Media.IMedia>()
                .CopyMediaAsync(SelectedMedia.File.GetStream());
            image.Source = ImageSource.FromStream(() => imageStream);

            SendMedia.IsEnabled = true;
        };

[jamesmontemagno]

Yes, this is different then what was reported, so would be a different bug, so I suggest opening a new one and reporting what version of the plugin you are using with the info you put on there.