_cameraController intializer takePicture

[imasif]

fixed camera initialization await before takePicture method being called, other wise the following exception was thrown:
Exception has occurred. CameraException (CameraException(error, CaptureRequest contains unconfigured Input/Output Surface!))

Fixes for issue: #62

[bmabir17]

I also faced the similar issue #62 . This solution has worked for me.

[Kleak]

Does it fix your issues ?
That seems pretty strange since _cameraController.initialize() is called in the start function so as soon as you see the stream on image it should not be necessary to add this call.

[jaumard]

I agree with @Kleak, this mean that you're calling takePicture too soon, can you confirm this just by waiting that the camera is Streaming images and then call takePicture ? It should worked normally

[imasif]

Without waiting to initilialize the takePicture method doesnt work

[imasif]

I tried this without using the initializer:

await _scanKey.currentState.stop();
        new Timer(const Duration(seconds: 5), ()async{
          await _scanKey.currentState.takePicture(path);
          await _scanKey.currentState.start();
        });

the floowing error is thrown:
E/MethodChannel#plugins.flutter.io/camera(30245): at android.os.MessageQueue.nativePollOnce(Native Method) E/MethodChannel#plugins.flutter.io/camera(30245): at android.os.MessageQueue.next(MessageQueue.java:326) E/MethodChannel#plugins.flutter.io/camera(30245): at android.os.Looper.loop(Looper.java:165) E/MethodChannel#plugins.flutter.io/camera(30245): at android.app.ActivityThread.main(ActivityThread.java:6806) E/MethodChannel#plugins.flutter.io/camera(30245): at java.lang.reflect.Method.invoke(Native Method) E/MethodChannel#plugins.flutter.io/camera(30245): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547) E/MethodChannel#plugins.flutter.io/camera(30245): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:873)

[jaumard]

One question, why do you call stop ?? should work without stoping the camera ^^

[imasif]

@jaumard can you provide some code working example? I've tried without stop and start, but when I call: await _scanKey.currentState.takePicture(path); it always returns

Exception has occurred. CameraException (CameraException(error, CaptureRequest contains unconfigured Input/Output Surface!))

[jaumard]

I'm closing this one, it's taking care by #97 by exposing directly the camera controller so you have full control if you want/need
Thanks !

[imasif]

Thanks ! :)