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Example based on B4XPages: https://www.b4x.com/android/forum/threads/b4x-b4xpages-barcode-reader.120417/#content CameraEx class wraps the Camera object and using reflection and other code it extends its functionality. CameraEx class requires Android 2.3+ and depends on Camera library v2.20+ Camera
link: Not all cameras support continuous autofocus. Look at the first line of grafsoft's answer
link: Hello! I study the example “CameraEX”. How to change the code to keep the camera running continuous autofocus?
link: The APIs are available on Android 2.3. On some phones, especially older ones, the camera doesn't behave properly and can only be used reliably with th

Check this library: https://www.b4x.-an-experimental-machine-deep-learning-wrapper.96410/
link: HI, All Question just for the actual technology level. Can we now try to recognize and compare the similar objects by some SDK ? Say, search goods (

Sending the images is simple. The problem is with keeping the camera working. This is not possible with Camera or Camera2 libraries.
link: No, the Camera needs an Activity context. One activity of your app must be in front.
link: Tks, Erel, at time, is possible enable camera to work like as service with a hiden activity?
link: Hi all, Someone know if is there a way to send image after minimize the software? I'm using the following example: https://www.b4x.-cctv-server.7379

I have a preliminary idea. You can put the object on an A4 paper. OpenCV takes a picture and recognizes the reference of the A4 paper rectangular size and calculates the object size.

at android.hardware.camera2.CaptureRequest.convertSurfaceToStreamId(CaptureRequest.java:582) at android.hardware.camera2.impl.CameraDeviceImpl.submitCaptureRequest(CameraDeviceImpl.java:938) at android.hardware.camera2.impl.CameraDeviceImpl.setRepeatingRequest(CameraDeviceImpl.java:984)
link: It should be possible. 1. Capture video with Camera2. 2. Use a timer to grab (small) frames every x milliseconds with cam.GetPreviewBitmap. Send th
link: Hi All, I've been searching the forum to see if it is possible to, at the same time, record a Full HD video to the device (as you normally do when sho
link: Sorry but it's the exact same error. Camera works fine but video preview crashes with error as above. I haven't changed anything in the code. Phone is

camera.samsung.so:.5_OD.camera.samsung.so:libQREngine.camera.samsung.so:libInteractiveSegmentation.camera.samsung.so:libsmart_cropping.camera.samsung.so:libFacePreProcessing_jni.camera.samsung.so:libFacePreProcessing_jni.camera.samsung.so:libhumantracking_util.camera.samsung.so:libMyFilterPlugin.cam

Camera2 library is based on the Camera2 API introduced in Android 5 (API 21). It is designed to work together with CamEx2 class. It is supported by B4A v7.3+. The library will be included as an internal library in the next update. Both image capturing and video recording are supported. CamEx2 class
link: Hit this problem with your example when trying to record video. The app opens up but crashes after pressing the toggle for video/camera Moto G5 Phon
link: Devices with legacy support are more problematic and should probably use Camera instead of Camera2. I'm unable to reproduce the NullPointerException
link: https://www.b4x.-new-camera-library.83855/ !!!!!!!!!!!!

The camera preview frames are drawn directly to the screen. Test it with ExoPlayer. The behavior might be different.
link: Am using exCamera to preview cam on panel,the cam panel position is above a videoview, The issue is that when i initialize camera the preview goes b
link: I cant use ExoPlayer as it does not support RTSP.Any other solution?
link: My videoview will be always playing from an RTSP IP Camera, as it is like a surveillance system. So I must have to show the device camera preview abo

What is the brand and model of the camera?
link: Where does the OP say the "camera" responds to a ping? He did say that the camera is *connected* to a PC. And when he mentioned the IP address of 10.

Somebody know any library or sample for Camera AI detection? I'm interested in DMS(face recognition, smoking , closed eyes, looking up, down, left and right, mouth open alert) and ADAS (lane change, front distance, collision and pedestrian alert)
link: Vous pouvez utiliser Java pour cela mais c'est très complexe ou utiliser une API en ligne

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