public static void setCameraDisplayOrientation(Activity activity, int cameraId, android.hardware.Camera camera) {
?? ?android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
? ? android.hardware.Camera.getCameraInfo(cameraId, info);
? ? int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
? ? int degrees = 0;
? ? switch (rotation) {
? ? ? ? case Surface.ROTATION_0: degrees = 0; break;
? ? ? ? case Surface.ROTATION_90: degrees = 90; break;
? ? ? ? case Surface.ROTATION_180: degrees = 180; break;
? ? ? ? case Surface.ROTATION_270: degrees = 270; break;
? ? }

? ? int result;
? ? if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
? ? ? ? result = (info.orientation + degrees) % 360;
? ? ? ? result = (360 - result) % 360; ?// compensate the mirror
? ? } else { ?// back-facing
? ? ? ? result = (info.orientation - degrees + 360) % 360;
? ? }
? ? camera.setDisplayOrientation(result);
}

private static final SparseIntArray ORIENTATIONS = new SparseIntArray();

// Conversion from screen rotation to JPEG orientation.
static {
? ? ORIENTATIONS.append(Surface.ROTATION_0, 90);
? ? ORIENTATIONS.append(Surface.ROTATION_90, 0);
? ? ORIENTATIONS.append(Surface.ROTATION_180, 270);
? ? ORIENTATIONS.append(Surface.ROTATION_270, 180);
}

/**
?* Retrieves the JPEG orientation from the specified screen rotation.
?*
?* @param rotation The screen rotation.
?* @return The JPEG orientation (one of 0, 90, 270, and 360)
?*/
private int getOrientation(int rotation) {
? ? // Sensor orientation is 90 for most devices, or 270 for some devices (eg. Nexus 5X)
? ? // We have to take that into account and rotate JPEG properly.
? ? // For devices with orientation of 90, we simply return our mapping from ORIENTATIONS.
? ? // For devices with orientation of 270, we need to rotate the JPEG 180 degrees.
? ? return (ORIENTATIONS.get(rotation) + mSensorOrientation + 270) % 360;
}

final CaptureRequest.Builder captureBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, getOrientation(rotation));