Java Code Examples for android.hardware.camera2.CameraCharacteristics#LENS_FACING_EXTERNAL

The following examples show how to use android.hardware.camera2.CameraCharacteristics#LENS_FACING_EXTERNAL . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: Camera2Recorder.java From DeviceConnect-Android with MIT License

6 votes

/**
 * カメラの位置を判定する.
 * @return カメラの位置
 */
private CameraFacing detectFacing() {
    try {
        int facing = Camera2Helper.getFacing(mCameraManager, mCameraId);
        switch (facing) {
            case CameraCharacteristics.LENS_FACING_BACK:
                return CameraFacing.BACK;
            case CameraCharacteristics.LENS_FACING_FRONT:
                return CameraFacing.FRONT;
            case CameraCharacteristics.LENS_FACING_EXTERNAL:
                return CameraFacing.EXTERNAL;
            default:
                return CameraFacing.UNKNOWN;
        }
    } catch (CameraAccessException e) {
        return CameraFacing.UNKNOWN;
    }
}

Example 2

Source File: CameraInfo.java From MobileInfo with Apache License 2.0

5 votes

private static String getFacing(Integer facing) {
    if (facing == null) {
        return UNKNOWN;
    }
    switch (facing) {
        case CameraCharacteristics.LENS_FACING_FRONT:
            return "FRONT";
        case CameraCharacteristics.LENS_FACING_BACK:
            return "BACK";
        case CameraCharacteristics.LENS_FACING_EXTERNAL:
            return "EXTERNAL";
        default:
            return UNKNOWN + "-" + facing;
    }
}

Example 3

Source File: CameraActivity.java From next18-ai-in-motion with Apache License 2.0

5 votes

private String chooseCamera() {
    final CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        for (final String cameraId : manager.getCameraIdList()) {
            final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
                continue;
            }

            final StreamConfigurationMap map =
                    characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

            if (map == null) {
                continue;
            }

            // Fallback to camera1 API for internal cameras that don't have full support.
            // This should help with legacy situations where using the camera2 API causes
            // distorted or otherwise broken previews.
            useCamera2API = (facing == CameraCharacteristics.LENS_FACING_EXTERNAL)
                    || isHardwareLevelSupported(characteristics,
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
            return cameraId;
        }
    } catch (CameraAccessException e) {
        Log.e("CameraAccessException", "Not allowed to access camera" + e.toString());
    }

    return null;
}

Example 4

Source File: CameraActivity.java From dbclf with Apache License 2.0

5 votes

protected String chooseCamera() {
    final CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        for (final String cameraId : manager.getCameraIdList()) {
            final CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);

            // We don't use a front facing camera in this sample.
            final Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
            if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
                continue;
            }

            final StreamConfigurationMap map =
                    characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);

            if (map == null) {
                continue;
            }

            // Fallback to camera1 API for internal cameras that don't have full support.
            // This should help with legacy situations where using the camera2 API causes
            // distorted or otherwise broken previews.
            useCamera2API = (facing == CameraCharacteristics.LENS_FACING_EXTERNAL)
                    || isHardwareLevelSupported(characteristics,
                    CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_FULL);
            return cameraId;
        }
    } catch (CameraAccessException ignored) {
    }

    return null;
}

Example 5