Jetpack CameraX sample (ImageCapture)

MainActivity.kt

package app.keima.android.cameraxplayground

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log
import android.view.SurfaceView
import android.view.TextureView
import android.widget.Button
import androidx.camera.core.*
import java.io.File

class MainActivity : AppCompatActivity() {

    private val preview: Preview = Preview(
        PreviewConfig.Builder().build()
    )

    private val imageCapture: ImageCapture = ImageCapture(
        ImageCaptureConfig.Builder()
            .setCaptureMode(ImageCapture.CaptureMode.MIN_LATENCY /* or ImageCapture.CaptureMode.MAX_QUALITY */)
            .build()
    )

    private val imageAnalysis = ImageAnalysis(
        ImageAnalysisConfig.Builder()
            .setImageReaderMode(
                ImageAnalysis.ImageReaderMode.ACQUIRE_LATEST_IMAGE
//                ImageAnalysis.ImageReaderMode.ACQUIRE_NEXT_IMAGE
            )
//            .setImageQueueDepth()
            .build()
    )

    // saying JavaDoc: In the earlier stage, the VideoCapture is deprioritized.
//    private val videoCapture: VideoCapture = VideoCapture(
//        VideoCaptureConfig.Builder()
//            .setVideoFrameRate(60)
//             ...
//            .build()
//    )

    private val previewView by lazy {
        findViewById<TextureView>(R.id.surfaceView)
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        preview.setOnPreviewOutputUpdateListener { output ->
            Log.d("Main", "PreviewOutputUpdated: ${output.textureSize}")
            previewView.surfaceTexture = output.surfaceTexture
        }

        imageAnalysis.setAnalyzer { image, rotationDegrees ->
//            Log.d("Main", "Analyzer: $image, $rotationDegrees")
            // some ml task here...
        }

        findViewById<Button>(R.id.button).setOnClickListener {
            imageCapture.takePicture(File(filesDir, "picture.jpg"), object: ImageCapture.OnImageSavedListener {
                override fun onImageSaved(file: File) {
                    Log.d("Main", "success: $file")
                }

                override fun onError(useCaseError: ImageCapture.UseCaseError, message: String, cause: Throwable?) {
                    Log.w("Main", "error: $useCaseError, $message", cause)
                }

            })
            /* or...
            imageCapture.takePicture(object: ImageCapture.OnImageCapturedListener(){
                override fun onCaptureSuccess(image: ImageProxy?, rotationDegrees: Int) {
                    super.onCaptureSuccess(image, rotationDegrees)
                }

                override fun onError(useCaseError: ImageCapture.UseCaseError?, message: String?, cause: Throwable?) {
                    super.onError(useCaseError, message, cause)
                }
            })
            */
        }

        CameraX.bindToLifecycle(this, preview, imageCapture, imageAnalysis)
    }
}

Not working in 1.0.0-beta03. They changed everything.