Android 价值十亿美元的错误

public inline fun needsRefactoring(): Nothing = throw NotImplementedError("""    This does too much and needs to be refactored.     Don't put any kind of logic in the Activities and Fragments. """.trimIndent())

class Camera2BasicFragment : Fragment(), View.OnClickListener,        ActivityCompat.OnRequestPermissionsResultCallback {    private val surfaceTextureListener = object : TextureView.SurfaceTextureListener {        override fun onSurfaceTextureAvailable(texture: SurfaceTexture, width: Int, height: Int) = needsRefactoring()        override fun onSurfaceTextureSizeChanged(texture: SurfaceTexture, width: Int, height: Int) = needsRefactoring()        override fun onSurfaceTextureDestroyed(texture: SurfaceTexture) = needsRefactoring()        override fun onSurfaceTextureUpdated(texture: SurfaceTexture) = needsRefactoring()
    }    private lateinit var cameraId: String    private lateinit var textureView: AutoFitTextureView    private var captureSession: CameraCaptureSession? = null    private var cameraDevice: CameraDevice? = null    private lateinit var previewSize: Size    private val stateCallback = object : CameraDevice.StateCallback() {        override fun onOpened(cameraDevice: CameraDevice) = needsRefactoring()        override fun onDisconnected(cameraDevice: CameraDevice) = needsRefactoring()        override fun onError(cameraDevice: CameraDevice, error: Int) = needsRefactoring()    }    private var backgroundThread: HandlerThread? = null    private var backgroundHandler: Handler? = null    private var imageReader: ImageReader? = null    private lateinit var file: File    private val onImageAvailableListener: ImageReader.OnImageAvailableListener = needsRefactoring()    private lateinit var previewRequestBuilder: CaptureRequest.Builder    private lateinit var previewRequest: CaptureRequest    private var state = STATE_PREVIEW    private val cameraOpenCloseLock = Semaphore(1)    private var flashSupported = false    private var sensorOrientation = 0    private val captureCallback = object : CameraCaptureSession.CaptureCallback() {        private fun process(result: CaptureResult): Unit = needsRefactoring()        private fun capturePicture(result: CaptureResult): Unit = needsRefactoring()        override fun onCaptureProgressed(session: CameraCaptureSession, request: CaptureRequest, partialResult: CaptureResult) = needsRefactoring()        override fun onCaptureCompleted(session: CameraCaptureSession, request: CaptureRequest, result: TotalCaptureResult) = needsRefactoring()    }
    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? = needsRefactoring()    override fun onViewCreated(view: View, savedInstanceState: Bundle?) = needsRefactoring()    override fun onActivityCreated(savedInstanceState: Bundle?) {        super.onActivityCreated(savedInstanceState)        needsRefactoring()    }
    override fun onResume() {        super.onResume()        needsRefactoring()    }
    override fun onPause() {        super.onPause()        needsRefactoring()    }
    private fun requestCameraPermission(): Unit = needsRefactoring()    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray): Unit = needsRefactoring()    private fun setUpCameraOutputs(width: Int, height: Int): Unit = needsRefactoring()    private fun areDimensionsSwapped(displayRotation: Int): Boolean = needsRefactoring()    private fun openCamera(width: Int, height: Int): Unit = needsRefactoring()    private fun closeCamera(): Unit = needsRefactoring()    private fun startBackgroundThread(): Unit = needsRefactoring()    private fun stopBackgroundThread(): Unit = needsRefactoring()    private fun createCameraPreviewSession(): Unit = needsRefactoring()    private fun configureTransform(viewWidth: Int, viewHeight: Int): Unit = needsRefactoring()    private fun lockFocus(): Unit = needsRefactoring()    private fun runPrecaptureSequence(): Unit = needsRefactoring()    private fun captureStillPicture(): Unit = needsRefactoring()    private fun unlockFocus(): Unit = needsRefactoring()    override fun onClick(view: View): Unit = needsRefactoring()    private fun setAutoFlash(requestBuilder: CaptureRequest.Builder): Unit = needsRefactoring()
    companion object {        init {            needsRefactoring()        }
        private val ORIENTATIONS = SparseIntArray()        private val FRAGMENT_DIALOG = "dialog"        private val TAG = "Camera2BasicFragment"        private val STATE_PREVIEW = 0        private val STATE_WAITING_LOCK = 1        private val STATE_WAITING_PRECAPTURE = 2        private val STATE_WAITING_NON_PRECAPTURE = 3        private val STATE_PICTURE_TAKEN = 4        private val MAX_PREVIEW_WIDTH = 1920        private val MAX_PREVIEW_HEIGHT = 1080        @JvmStatic        private fun chooseOptimalSize(                choices: Array<Size>, textureViewWidth: Int, textureViewHeight: Int,                maxWidth: Int, maxHeight: Int, aspectRatio: Size): Size = needsRefactoring()
        @JvmStatic        fun newInstance(): Camera2BasicFragment = needsRefactoring()    }}

package android.app;
import android.content.Context;
class Activity extends Context { }

class SomeThirdPartyClass {    fun doStuff(contex: Context) = TODO()}