I need to access web camera using Java. This is what I want to do Access web cam Now the user can see web cam working because his face is visible on screen (have heard some libs are there which doesn’t show the video output of webcam) when user click save button, take a snapshot … Read more
Hey I am designing an app in android studio. In which i require permission of camera. I have included <uses-permission android:name=”android.permission.CAMERA” /> in the the AndroidManifest.xml file. It is working properly in all versions of android except Marshmallow. How do I get camera permission by default? If not possible how do I ask it from … Read more
While developing a camera app I’ve encountered an exception that only happened when I switch to other app (onPause() for my app). 01-15 17:22:15.017: E/AndroidRuntime(14336): FATAL EXCEPTION: main 01-15 17:22:15.017: E/AndroidRuntime(14336): java.lang.RuntimeException: Method called after release() 01-15 17:22:15.017: E/AndroidRuntime(14336): at android.hardware.Camera.setPreviewDisplay(Native Method) 01-15 17:22:15.017: E/AndroidRuntime(14336): at android.hardware.Camera.setPreviewDisplay(Camera.java:357) 01-15 17:22:15.017: E/AndroidRuntime(14336): at com.sora.cbir.yuki.image.leaf.CameraPreview.surfaceCreated(CameraPreview.java:32) 01-15 17:22:15.017: E/AndroidRuntime(14336): … Read more
I have created an app with a button and wrote onClickListener for that button. I have tried several sample code examples and none of them worked. They all bring up the Android camera app and don’t take photographs. I want some code which I can put in my onClickListener so when I press the button … Read more
I am using this code, but unfortunately it doesn’t work. After a user has denied camera access, I want to ask them for permission to use the camera again the next time they try to load it (in this case it’s a barcode scanner using the camera view). I always get AVAuthorizationStatusDenied and then granted … Read more
I am using intent to launch camera: Intent cameraIntent = new Intent( android.provider.MediaStore.ACTION_IMAGE_CAPTURE); getParent().startActivityForResult(cameraIntent, CAMERA_PIC_REQUEST); and using: Bitmap thumbnail = (Bitmap) data.getExtras().get(“data”); photoImage.setImageBitmap(thumbnail); photoImage.setVisibility(View.VISIBLE); But it is only a thumbnail, how do I get the full bitmap? I know I can use my own Activity and use: Camera.PictureCallback() But is there anyway to do it … Read more
I’m trying to recreate the condition where the following code returns AVAuthorizationStatusNotDetermined: AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo]; However, the iPad appears to remember camera permissions even after the app is deleted and reinstalled, and so either Authorized or NotAuthorized is returned every time. Any idea how to reset the permissions so that NotDetermined is returned? … Read more
I wish to simulate camera in the android emulator using the webcam. Basically I need to only take photos with the camera in the emulator (live preview is not needed i.e if it makes it any easier) I followed the tutorial here which is the only one I could find that was close to my … Read more
I’m developing an app for Android 2.1 upwards. I want to enable my users to select a profile picture within my app (I’m not using the contacts framework). The ideal solution would be to fire an intent that enables the user to select an image from the gallery, but if an appropriate image is not … Read more
I have a simple program that draws the preview of the Camera into a SurfaceView. What I’m trying to do is using the onPreviewFrame method, which is invoked each time a new frame is drawn into the SurfaceView, in order to execute the invalidate method which is supposed to invoke the onDraw method. In fact, … Read more
