实现了双屏摄像头显示，添加了部分代码

app/src/main/java/com/sw/dualscreen/presentation/SecondaryScreenPresentation.kt

@@ -4,30 +4,30 @@ import android.Manifest
 import android.app.Presentation
 import android.content.Context
 import android.content.pm.PackageManager
+import android.graphics.Bitmap
 import android.graphics.Point
 import android.hardware.Camera
-import android.hardware.camera2.CameraCaptureSession
 import android.hardware.camera2.CameraDevice
 import android.hardware.camera2.CameraManager
-import android.hardware.camera2.CaptureRequest
+import android.net.Uri
 import android.os.Build
 import android.os.Bundle
 import android.util.DisplayMetrics
 import android.util.Log
 import android.view.Display
-import android.view.Surface
 import android.view.View
 import android.view.ViewGroup
 import android.view.ViewTreeObserver
 import android.widget.Toast
 import androidx.annotation.RequiresApi
+import androidx.camera.view.PreviewView
 import androidx.core.content.ContextCompat
 import androidx.lifecycle.Observer
 import com.arcsoft.face.ErrorInfo
 import com.sw.dualscreen.R
 import com.sw.dualscreen.activity.MainActivity
 import com.sw.dualscreen.databinding.PresentationSecondaryScreenBinding
-import com.sw.dualscreen.viewmodel.MyViewModel
+import com.sw.dualscreen.viewmodel.UserViewModel
 import com.sw.plate.utils.ToastUtils
 import com.sw.plate.utils.arcface.ConfigUtil
 import com.sw.plate.utils.arcface.ErrorCodeUtil
@@ -50,15 +50,17 @@ class SecondaryScreenPresentation(
     val activity: MainActivity,
     context: Context,
     display: Display,
-    viewModel: MyViewModel,
+    viewModel: UserViewModel,
     private val onDismissListener: () -> Unit = {},
     val recognizeViewModel: RecognizeViewModel
 ) : Presentation(context, display), ViewTreeObserver.OnGlobalLayoutListener {
     private lateinit var binding: PresentationSecondaryScreenBinding
     private var cameraDevice: CameraDevice? = null
-    private var cameraCaptureSession: CameraCaptureSession? = null
+
+    //    private var cameraCaptureSession: CameraCaptureSession? = null
     private lateinit var cameraManager: CameraManager
     private var cameraIdList: Array<String> = arrayOf()
+    lateinit var previewView: PreviewView
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -67,6 +69,8 @@ class SecondaryScreenPresentation(
         setContentView(binding.root)
         window?.setBackgroundDrawableResource(android.R.color.transparent)
 
+        previewView = binding.previewView
+
         cameraManager = context.getSystemService(Context.CAMERA_SERVICE) as CameraManager
         // 获取摄像头列表
         cameraIdList = cameraManager.cameraIdList
@@ -75,10 +79,15 @@ class SecondaryScreenPresentation(
             return
         }
 
+        cameraIdList.forEach {
+            Timber.d("摄像头id列表 = ${it}")
+        }
+
         initArcViewModel()
         initArcView()
         openRectInfoDraw = true
         openCamera(cameraIdList.last())
+//        binding.includeUserHeat.ivHeat.showText("1070千卡")
     }
 
     override fun onDisplayRemoved() {
@@ -86,19 +95,50 @@ class SecondaryScreenPresentation(
         onDismissListener()
     }
 
+    fun updateImage(bitmap: Bitmap) {
+        activity.runOnUiThread {
+            binding.ivImg.setImageBitmap(bitmap)
+        }
+    }
+
+    /**
+     * 用户1 显示相机预览
+     */
+    fun step1(foodImg: Uri) {
+
+    }
+
+    /**
+     * 显示人脸识别
+     */
+    fun step2() {
+
+    }
+
+    /**
+     * 显示识别出的菜品信息
+     */
+    fun step3() {
+
+    }
+
+
     private fun openCamera(cameraId: String) {
         if (ContextCompat.checkSelfPermission(context, Manifest.permission.CAMERA) !=
             PackageManager.PERMISSION_GRANTED
         ) {
             return
         }
-
         try {
             cameraManager.openCamera(cameraId, object : CameraDevice.StateCallback() {
                 override fun onOpened(device: CameraDevice) {
                     cameraDevice = device
 //                    createCameraPreviewSession()
-                    recognizeViewModel.init()
+                    recognizeViewModel.init(
+                        PreviewConfig(
+                            2, 4, 0, 0
+                        )
+                    )
                     initRgbCamera()
                     resumeCamera()
                 }
@@ -118,44 +158,6 @@ class SecondaryScreenPresentation(
         }
     }
 
-    private fun createCameraPreviewSession() {
-        val textureView = binding.dualCameraTexturePreviewRgb
-        val surfaceTexture = textureView.surfaceTexture
-        surfaceTexture?.setDefaultBufferSize(textureView.width, textureView.height)
-        val surface = Surface(surfaceTexture)
-
-        try {
-            val previewRequestBuilder = cameraDevice?.createCaptureRequest(
-                CameraDevice.TEMPLATE_PREVIEW
-            )?.apply {
-                addTarget(surface)
-            }
-
-            cameraDevice?.createCaptureSession(
-                listOf(surface),
-                object : CameraCaptureSession.StateCallback() {
-                    override fun onConfigured(session: CameraCaptureSession) {
-                        cameraCaptureSession = session
-                        previewRequestBuilder?.let { builder ->
-                            builder.set(
-                                CaptureRequest.CONTROL_AF_MODE,
-                                CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE
-                            )
-                            session.setRepeatingRequest(builder.build(), null, null)
-                        }
-                    }
-
-                    override fun onConfigureFailed(session: CameraCaptureSession) {
-                        Toast.makeText(context, "配置失败", Toast.LENGTH_SHORT).show()
-                    }
-                },
-                null
-            )
-        } catch (e: Exception) {
-            Log.e("Camera2", "创建预览会话失败", e)
-        }
-    }
-
     // 虹软人脸配置 ⬇
     private var isRecognition = false
     private var rgbCameraHelper: DualCameraHelper? = null
@@ -296,7 +298,7 @@ class SecondaryScreenPresentation(
                     val layoutParams = adjustPreviewViewSize(
                         binding.dualCameraTexturePreviewRgb,
                         binding.dualCameraTexturePreviewRgb, binding.dualCameraFaceRectView,
-                        previewSizeRgb, displayOrientation, 1f
+                        previewSizeRgb, 90, 1f
                     )
                     Timber.d("initRgbCamera previewSizeRgb = ${previewSizeRgb.width}-${previewSizeRgb.height}")
                     Timber.d("initRgbCamera layoutParams = ${layoutParams.width}-${layoutParams.height}")
@@ -358,7 +360,7 @@ class SecondaryScreenPresentation(
                 )
             )
             .rotation(activity.windowManager.defaultDisplay.rotation)
-            .additionalRotation(0) // 角度
+            .additionalRotation(90) // 角度
             .previewSize(recognizeViewModel.loadPreviewSize())
             .specificCameraId(previewConfig.rgbCameraId)
             .isMirror(true)
@@ -420,6 +422,7 @@ class SecondaryScreenPresentation(
     }
 
     fun resumeCamera() {
+        Timber.d("resumeCamera")
         isRecognition = true
         if (rgbCameraHelper != null && rgbCameraHelper!!.isStopped) {
             rgbCameraHelper!!.start()
@@ -427,6 +430,7 @@ class SecondaryScreenPresentation(
     }
 
     fun pauseCamera() {
+        Timber.d("pauseCamera")
         isRecognition = false
 
         recognizeViewModel.onPreviewFrame(ByteArray(1382400), true)