Please do not try to put exported=”true” as pointed out by pskink, your app will crash the moment it loads. FileProvider is not meant to work in this state. Tried intent.addFlags solution by CommonsWare. Not working. probably will only works with ACTION_SEND kind of intent. I found the answer in this post. Apparently the manual … Read more
Every device is a bit different. Samsung especially likes to make things complicated for app developers. On the Galaxy Tab you should be good with: Camera cam; void ledon() { cam = Camera.open(); Parameters params = cam.getParameters(); params.setFlashMode(Parameters.FLASH_MODE_ON); cam.setParameters(params); cam.startPreview(); cam.autoFocus(new AutoFocusCallback() { public void onAutoFocus(boolean success, Camera camera) { } }); } void ledoff() … Read more
For me this worked a treat: //set camera to continually auto-focus Camera.Parameters params = c.getParameters(); //*EDIT*//params.setFocusMode(“continuous-picture”); //It is better to use defined constraints as opposed to String, thanks to AbdelHady params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE); c.setParameters(params);
I had the same issue that none of the answers here solved, so after solving it I am adding my way of solving it. This applies to new android versions that support setting permissions per app (since Marshmallow, 6.0). The permission for camera could be disabled and should be enabled from the app settings. Settings … Read more
You can check the ML-KIT from Google: Detect faces with ML Kit on Android And there is a related sample app: vision-quickstart or if you are using the camera2 there is a working example: Camera2Vision
it is really weird that camera on android platform can’t stream video until it given valid preview surface. it seems that the architects of the platform was not thinking about 3rd party video streaming applications at all. even for augmented reality case the picture can be presented as some kind of visual substitution, not real … Read more
As far as I can tell, there is no mechanism to persist the metadata automatically or even snapshot whatever is there and transfer in bulk. Rather, it seems you must explicitly check for specific properties and copy them yourself to the new image file using the ExifInterface. http://developer.android.com/reference/android/media/ExifInterface.html So something like: ExifInterface oldExif = new … Read more
The problem is when I saved the image I didn’t do well. @Override public void onPictureTaken(byte[] data, Camera camera) { String timeStamp = new SimpleDateFormat( “yyyyMMdd_HHmmss”).format( new Date( )); output_file_name = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM) + File.separator + timeStamp + “.jpeg”; File pictureFile = new File(output_file_name); if (pictureFile.exists()) { pictureFile.delete(); } try { FileOutputStream fos = new FileOutputStream(pictureFile); … Read more
I think you can use substring method to get name of the file from the path string. String path=”:/storage/sdcard0/DCIM/Camera/1414240995236.jpg”; // it contains your image path…I’m using a temp string… String filename=path.substring(path.lastIndexOf(“https://stackoverflow.com/”)+1);
There are two ways to solve this problem. 1. Save bitmap which you received from onActivityResult method You can start camera through intent to capture photo using below code Intent cameraIntent=new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(cameraIntent, CAMERA_REQUEST); After capture photo, you will get bitmap in onActivityResult method if (requestCode == CAMERA_REQUEST) { Bitmap photo = (Bitmap) data.getExtras().get(“data”); } … Read more