refactor(spraying): 替换相机预览实现为系统媒体服务

- 移除 CameraPreviewPocActivity 及其相关布局文件
- 集成 GlassMediaServiceHelper 替代原有的相机预览功能
- 使用 PhotoFileCallback 处理拍照回调逻辑
- 更新拍照流程以支持异步回调处理
- 删除旧的 onActivityResult 处理代码
- 修改离线命令配置移除相机操作相关指令

app/src/main/AndroidManifest.xml

@@ -90,9 +90,6 @@
         <activity
             android:name=".ui.InspectionCompleteActivity"
             android:exported="false" />
-        <activity
-            android:name=".ui.CameraPreviewPocActivity"
-            android:exported="false" />
         <activity
             android:name=".ui.SprayingActivity"
             android:exported="false" />

app/src/main/java/com/nova/brain/glass/helper/OfflineCmdServiceHelper.kt

@@ -45,14 +45,7 @@ object OfflineCmdServiceHelper {
     )
     private val CMDS_SPRAYING = listOf(
         OfflineCmdBean("开始", "kai shi"),
-        OfflineCmdBean("开始任务", "kai shi ren wu"),
+        OfflineCmdBean("开始任务", "kai shi ren wu")
-        OfflineCmdBean("拍照", "pai zhao"),
-        OfflineCmdBean("拍摄", "pai she"),
-        OfflineCmdBean("放大", "fang da"),
-        OfflineCmdBean("拉近", "la jin"),
-        OfflineCmdBean("缩小", "suo xiao"),
-        OfflineCmdBean("拉远", "la yuan"),
-        OfflineCmdBean("取消", "qu xiao")
     )
     private val CMDS_SPRAYING_FINISH = listOf(
         OfflineCmdBean("补充照片", "bu chong zhao pian"),

app/src/main/java/com/nova/brain/glass/ui/CameraPreviewPocActivity.kt

@@ -1,407 +0,0 @@
-package com.nova.brain.glass.ui
-
-import android.Manifest
-import android.content.Intent
-import android.content.pm.PackageManager
-import android.graphics.ImageFormat
-import android.graphics.Rect
-import android.graphics.SurfaceTexture
-import android.hardware.camera2.CameraCaptureSession
-import android.hardware.camera2.CameraCharacteristics
-import android.hardware.camera2.CameraAccessException
-import android.hardware.camera2.CameraDevice
-import android.hardware.camera2.CameraManager
-import android.hardware.camera2.CaptureRequest
-import android.hardware.camera2.TotalCaptureResult
-import android.hardware.camera2.params.StreamConfigurationMap
-import android.media.ImageReader
-import android.os.Bundle
-import android.os.Environment
-import android.os.Handler
-import android.os.HandlerThread
-import android.view.KeyEvent
-import android.view.Surface
-import android.view.TextureView
-import androidx.core.app.ActivityCompat
-import com.nova.brain.glass.R
-import com.nova.brain.glass.databinding.ActivityCameraPreviewPocBinding
-import com.nova.brain.glass.helper.OfflineCmdListener
-import com.nova.brain.glass.helper.OfflineCmdServiceHelper
-import com.xuqm.base.extensions.showMessage
-import com.xuqm.base.ui.BaseActivity
-import java.io.File
-import java.io.FileOutputStream
-import java.util.UUID
-import kotlin.math.roundToInt
-
-class CameraPreviewPocActivity : BaseActivity<ActivityCameraPreviewPocBinding>() {
-
-    companion object {
-        const val EXTRA_PHOTO_PATH = "extra_photo_path"
-        private const val REQUEST_CAMERA_PERMISSION = 1001
-    }
-
-    override fun getLayoutId(): Int = R.layout.activity_camera_preview_poc
-    override fun fullscreen(): Boolean = true
-
-    private val cameraManager by lazy { getSystemService(CameraManager::class.java) }
-    private var cameraDevice: CameraDevice? = null
-    private var captureSession: CameraCaptureSession? = null
-    private var previewRequestBuilder: CaptureRequest.Builder? = null
-    private var imageReader: ImageReader? = null
-    private var backgroundThread: HandlerThread? = null
-    private var backgroundHandler: Handler? = null
-    private var activeArraySize: Rect? = null
-    private var maxZoom = 1f
-    private var zoomLevel = 1f
-    private var currentOutputPath: String? = null
-    private var isCapturing = false
-
-    private val offlineCmdListener = object : OfflineCmdListener {
-        override fun onOfflineCmd(cmd: String) {
-            runOnUiThread {
-                when (cmd) {
-                    "退出", "返回", "退回", "取消" -> finish()
-                    "拍照", "拍摄", "开始", "开始任务" -> captureStillImage()
-                    "放大", "拉近" -> adjustZoom(0.2f)
-                    "缩小", "拉远" -> adjustZoom(-0.2f)
-                }
-            }
-        }
-    }
-
-    private val textureListener = object : TextureView.SurfaceTextureListener {
-        override fun onSurfaceTextureAvailable(surface: SurfaceTexture, width: Int, height: Int) {
-            openCamera()
-        }
-
-        override fun onSurfaceTextureSizeChanged(surface: SurfaceTexture, width: Int, height: Int) = Unit
-        override fun onSurfaceTextureDestroyed(surface: SurfaceTexture): Boolean = true
-        override fun onSurfaceTextureUpdated(surface: SurfaceTexture) = Unit
-    }
-
-    override fun initView(savedInstanceState: Bundle?) {
-        super.initView(savedInstanceState)
-        binding.previewView.surfaceTextureListener = textureListener
-        binding.captureButton.setOnClickListener { captureStillImage() }
-        binding.zoomInButton.setOnClickListener { adjustZoom(0.2f) }
-        binding.zoomOutButton.setOnClickListener { adjustZoom(-0.2f) }
-        updateZoomText()
-    }
-
-    override fun onResume() {
-        super.onResume()
-        startBackgroundThread()
-        OfflineCmdServiceHelper.addOnLineListener(offlineCmdListener)
-        OfflineCmdServiceHelper.addListenerSpraying()
-        if (binding.previewView.isAvailable) {
-            openCamera()
-        } else {
-            binding.previewView.surfaceTextureListener = textureListener
-        }
-    }
-
-    override fun onPause() {
-        closeCamera()
-        OfflineCmdServiceHelper.removeListenerSpraying()
-        OfflineCmdServiceHelper.removeOnLineListener(offlineCmdListener)
-        stopBackgroundThread()
-        super.onPause()
-    }
-
-    override fun dispatchKeyEvent(event: KeyEvent): Boolean {
-        if (event.action != KeyEvent.ACTION_DOWN) return super.dispatchKeyEvent(event)
-        return when (event.keyCode) {
-            KeyEvent.KEYCODE_DPAD_LEFT, KeyEvent.KEYCODE_MINUS, KeyEvent.KEYCODE_VOLUME_DOWN -> {
-                adjustZoom(-0.2f)
-                true
-            }
-            KeyEvent.KEYCODE_DPAD_RIGHT, KeyEvent.KEYCODE_EQUALS, KeyEvent.KEYCODE_VOLUME_UP -> {
-                adjustZoom(0.2f)
-                true
-            }
-            KeyEvent.KEYCODE_DPAD_CENTER, KeyEvent.KEYCODE_ENTER, KeyEvent.KEYCODE_CAMERA -> {
-                captureStillImage()
-                true
-            }
-            else -> super.dispatchKeyEvent(event)
-        }
-    }
-
-    override fun onRequestPermissionsResult(
-        requestCode: Int,
-        permissions: Array<out String>,
-        grantResults: IntArray
-    ) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
-        if (requestCode != REQUEST_CAMERA_PERMISSION) return
-        if (grantResults.all { it == PackageManager.PERMISSION_GRANTED }) {
-            openCamera()
-        } else {
-            "缺少相机权限，无法验证预览".showMessage()
-            finish()
-        }
-    }
-
-    private fun openCamera() {
-        if (
-            ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED
-        ) {
-            ActivityCompat.requestPermissions(
-                this,
-                arrayOf(Manifest.permission.CAMERA, Manifest.permission.RECORD_AUDIO),
-                REQUEST_CAMERA_PERMISSION
-            )
-            return
-        }
-        try {
-            val selectedCameraId = selectBackCameraId() ?: run {
-                "未找到可用相机".showMessage()
-                finish()
-                return
-            }
-            val characteristics = cameraManager.getCameraCharacteristics(selectedCameraId)
-            activeArraySize = characteristics.get(CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE)
-            maxZoom = (characteristics.get(CameraCharacteristics.SCALER_AVAILABLE_MAX_DIGITAL_ZOOM) ?: 1f)
-                .coerceAtLeast(1f)
-            zoomLevel = zoomLevel.coerceIn(1f, maxZoom)
-            val streamMap = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP)
-            val previewSize = choosePreviewSize(streamMap)
-            val captureSize = chooseCaptureSize(streamMap)
-            val texture = binding.previewView.surfaceTexture ?: return
-            texture.setDefaultBufferSize(previewSize.width, previewSize.height)
-            imageReader?.close()
-            imageReader = ImageReader.newInstance(captureSize.width, captureSize.height, ImageFormat.JPEG, 2).apply {
-                setOnImageAvailableListener({ reader ->
-                    val image = reader.acquireNextImage() ?: return@setOnImageAvailableListener
-                    val outputPath = currentOutputPath
-                    if (outputPath == null) {
-                        image.close()
-                        return@setOnImageAvailableListener
-                    }
-                    val buffer = image.planes.firstOrNull()?.buffer
-                    val bytes = ByteArray(buffer?.remaining() ?: 0)
-                    buffer?.get(bytes)
-                    image.close()
-                    runCatching {
-                        FileOutputStream(outputPath).use { it.write(bytes) }
-                    }.onSuccess {
-                        runOnUiThread {
-                            setResult(RESULT_OK, Intent().putExtra(EXTRA_PHOTO_PATH, outputPath))
-                            finish()
-                        }
-                    }.onFailure {
-                        isCapturing = false
-                        runOnUiThread {
-                            binding.statusText.text = "图片保存失败: ${it.message ?: "未知错误"}"
-                        }
-                    }
-                }, backgroundHandler)
-            }
-            binding.statusText.text = "相机预览验证中，可拉近拉远后拍照"
-            cameraManager.openCamera(selectedCameraId, object : CameraDevice.StateCallback() {
-                override fun onOpened(device: CameraDevice) {
-                    cameraDevice = device
-                    createPreviewSession(texture)
-                }
-
-                override fun onDisconnected(device: CameraDevice) {
-                    device.close()
-                    cameraDevice = null
-                    runOnUiThread { binding.statusText.text = "相机已断开" }
-                }
-
-                override fun onError(device: CameraDevice, error: Int) {
-                    device.close()
-                    cameraDevice = null
-                    runOnUiThread { binding.statusText.text = "相机打开失败: $error" }
-                }
-            }, backgroundHandler)
-        } catch (securityException: SecurityException) {
-            binding.statusText.text = "缺少相机权限"
-            "缺少相机权限，无法打开预览".showMessage()
-        }
-    }
-
-    private fun createPreviewSession(texture: SurfaceTexture) {
-        val device = cameraDevice ?: return
-        val previewSurface = Surface(texture)
-        previewRequestBuilder = try {
-            device.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW).apply {
-                addTarget(previewSurface)
-                set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO)
-                set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE)
-                applyZoom(this)
-            }
-        } catch (e: CameraAccessException) {
-            handleCameraFailure("相机预览初始化失败: ${e.message}")
-            return
-        } catch (e: IllegalStateException) {
-            handleCameraFailure("相机设备不可用: ${e.message}")
-            return
-        }
-        val readerSurface = imageReader?.surface ?: return
-        try {
-            device.createCaptureSession(
-                listOf(previewSurface, readerSurface),
-                object : CameraCaptureSession.StateCallback() {
-                    override fun onConfigured(session: CameraCaptureSession) {
-                        captureSession = session
-                        val request = previewRequestBuilder?.build() ?: return
-                        try {
-                            session.setRepeatingRequest(request, null, backgroundHandler)
-                        } catch (e: CameraAccessException) {
-                            handleCameraFailure("相机预览启动失败: ${e.message}")
-                        } catch (e: IllegalStateException) {
-                            handleCameraFailure("相机会话不可用: ${e.message}")
-                        }
-                    }
-
-                    override fun onConfigureFailed(session: CameraCaptureSession) {
-                        handleCameraFailure("相机预览配置失败")
-                    }
-                },
-                backgroundHandler
-            )
-        } catch (e: CameraAccessException) {
-            handleCameraFailure("相机会话创建失败: ${e.message}")
-        } catch (e: IllegalStateException) {
-            handleCameraFailure("相机会话不可用: ${e.message}")
-        }
-    }
-
-    private fun captureStillImage() {
-        if (isCapturing) return
-        val device = cameraDevice ?: return
-        val session = captureSession ?: return
-        val readerSurface = imageReader?.surface ?: return
-        val outputPath = createOutputFile().absolutePath
-        currentOutputPath = outputPath
-        isCapturing = true
-        binding.statusText.text = "拍照中，请保持稳定..."
-        try {
-            val captureBuilder = device.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE).apply {
-                addTarget(readerSurface)
-                set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO)
-                set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE)
-                applyZoom(this)
-                set(CaptureRequest.JPEG_ORIENTATION, 0)
-            }
-            session.stopRepeating()
-            session.capture(captureBuilder.build(), object : CameraCaptureSession.CaptureCallback() {
-                override fun onCaptureCompleted(
-                    session: CameraCaptureSession,
-                    request: CaptureRequest,
-                    result: TotalCaptureResult
-                ) {
-                    previewRequestBuilder?.build()?.let {
-                        runCatching {
-                            session.setRepeatingRequest(it, null, backgroundHandler)
-                        }
-                    }
-                }
-            }, backgroundHandler)
-        } catch (e: CameraAccessException) {
-            isCapturing = false
-            handleCameraFailure("拍照失败: ${e.message}")
-        } catch (e: IllegalStateException) {
-            isCapturing = false
-            handleCameraFailure("相机设备不可用: ${e.message}")
-        }
-    }
-
-    private fun adjustZoom(delta: Float) {
-        maxZoom = maxZoom.coerceAtLeast(1f)
-        zoomLevel = (zoomLevel + delta).coerceIn(1f, maxZoom)
-        updateZoomText()
-        val requestBuilder = previewRequestBuilder ?: return
-        val session = captureSession ?: return
-        applyZoom(requestBuilder)
-        try {
-            session.setRepeatingRequest(requestBuilder.build(), null, backgroundHandler)
-        } catch (e: CameraAccessException) {
-            handleCameraFailure("缩放失败: ${e.message}")
-        } catch (e: IllegalStateException) {
-            handleCameraFailure("相机会话不可用: ${e.message}")
-        }
-    }
-
-    private fun updateZoomText() {
-        binding.zoomText.text = "缩放 ${String.format("%.1f", zoomLevel)}x"
-    }
-
-    private fun applyZoom(builder: CaptureRequest.Builder) {
-        val sensorRect = activeArraySize ?: return
-        if (zoomLevel <= 1f) {
-            builder.set(CaptureRequest.SCALER_CROP_REGION, sensorRect)
-            return
-        }
-        val centerX = sensorRect.centerX()
-        val centerY = sensorRect.centerY()
-        val deltaX = (0.5f * sensorRect.width() / zoomLevel).roundToInt()
-        val deltaY = (0.5f * sensorRect.height() / zoomLevel).roundToInt()
-        val cropRect = Rect(centerX - deltaX, centerY - deltaY, centerX + deltaX, centerY + deltaY)
-        builder.set(CaptureRequest.SCALER_CROP_REGION, cropRect)
-    }
-
-    private fun selectBackCameraId(): String? {
-        val ids = cameraManager.cameraIdList ?: return null
-        return ids.firstOrNull { id ->
-            val facing = cameraManager.getCameraCharacteristics(id)
-                .get(CameraCharacteristics.LENS_FACING)
-            facing == CameraCharacteristics.LENS_FACING_BACK
-        } ?: ids.firstOrNull()
-    }
-
-    private fun choosePreviewSize(map: StreamConfigurationMap?): android.util.Size {
-        val sizes = map?.getOutputSizes(SurfaceTexture::class.java).orEmpty()
-        return sizes.maxByOrNull { it.width * it.height } ?: android.util.Size(1920, 1080)
-    }
-
-    private fun chooseCaptureSize(map: StreamConfigurationMap?): android.util.Size {
-        val sizes = map?.getOutputSizes(ImageFormat.JPEG).orEmpty()
-        return sizes.maxByOrNull { it.width * it.height } ?: android.util.Size(1920, 1080)
-    }
-
-    private fun createOutputFile(): File {
-        val publicPicturesDir =
-            Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)
-        if (!publicPicturesDir.exists()) {
-            publicPicturesDir.mkdirs()
-        }
-        return File(publicPicturesDir, "camera_poc_${UUID.randomUUID()}.jpg")
-    }
-    private fun closeCamera() {
-        captureSession?.close()
-        captureSession = null
-        cameraDevice?.close()
-        cameraDevice = null
-        imageReader?.close()
-        imageReader = null
-        isCapturing = false
-        currentOutputPath = null
-    }
-
-    private fun handleCameraFailure(message: String) {
-        closeCamera()
-        runOnUiThread {
-            binding.statusText.text = message
-            message.showMessage()
-            setResult(RESULT_CANCELED)
-            finish()
-        }
-    }
-
-    private fun startBackgroundThread() {
-        if (backgroundThread != null) return
-        backgroundThread = HandlerThread("camera-preview-poc").also { it.start() }
-        backgroundHandler = Handler(backgroundThread!!.looper)
-    }
-
-    private fun stopBackgroundThread() {
-        backgroundThread?.quitSafely()
-        backgroundThread?.join()
-        backgroundThread = null
-        backgroundHandler = null
-    }
-}

app/src/main/java/com/nova/brain/glass/ui/SprayingActivity.kt

@@ -1,19 +1,26 @@
 package com.nova.brain.glass.ui
 
 import android.content.Intent
+import android.os.Environment
 import androidx.recyclerview.widget.RecyclerView
 import com.nova.brain.glass.R
 import com.nova.brain.glass.databinding.ActivitySprayingBinding
+import com.nova.brain.glass.helper.GlassMediaServiceHelper
 import com.nova.brain.glass.helper.OfflineCmdListener
 import com.nova.brain.glass.helper.OfflineCmdServiceHelper
 import com.nova.brain.glass.helper.SprayingPhotoManager
 import com.nova.brain.glass.model.ItemItem
 import com.nova.brain.glass.viewmodel.SprayingVM
+import com.rokid.security.glass3.sdk.base.data.media.PhotoResolution
+import com.rokid.security.system.server.media.callback.PhotoFileCallback
 import com.xuqm.base.adapter.BasePagedAdapter
 import com.xuqm.base.adapter.CommonPagedAdapter
 import com.xuqm.base.adapter.ViewHolder
+import com.xuqm.base.common.LogHelper
 import com.xuqm.base.extensions.showMessage
 import com.xuqm.base.ui.BaseListFormLayoutNormalActivity
+import java.io.File
+import java.util.UUID
 
 class SprayingActivity :
     BaseListFormLayoutNormalActivity<ItemItem, SprayingVM, ActivitySprayingBinding>() {
@@ -28,10 +35,6 @@ class SprayingActivity :
     }
     private var productionInfoId: String = ""
 
-    companion object {
-        private const val REQUEST_CAMERA_PREVIEW = 2001
-    }
-
     private val listener = object : OfflineCmdListener {
         override fun onOfflineCmd(cmd: String) {
             runOnUiThread {
@@ -45,6 +48,7 @@ class SprayingActivity :
                             binding.hint.text = "拍照中，请稍后..."
                         }
                         SprayingPhotoManager.clear()
+                        isPhoto = true
                         takePhoto()
                     }
                 }
@@ -54,10 +58,46 @@ class SprayingActivity :
     }
 
     fun takePhoto() {
-        startActivityForResult(
+        val fileName = "test_${System.currentTimeMillis()}.png"
-            Intent(this, CameraPreviewPocActivity::class.java),
+        val publicPicturesDir =
-            REQUEST_CAMERA_PREVIEW
+            Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)
-        )
+        val file = File(publicPicturesDir, fileName)
+        GlassMediaServiceHelper.takePhoto(PhotoResolution.RESOLUTION_1080P, file.absolutePath)
+    }
+
+    private val photoCallbackId = UUID.randomUUID().toString()
+
+    private val mPhotoFileCallback = object : PhotoFileCallback.Stub() {
+        override fun onTakePhoto(path: String) {
+            LogHelper.d("onTakePhoto-->path = $path")
+        }
+
+        override fun getCallbackId(): String {
+            return photoCallbackId
+        }
+
+        override fun onTakePhotoV2(path: String?, width: Int, height: Int) {
+            LogHelper.d("width:$width--height:$height")
+            if (path == null) {
+                if (isPhoto) {
+                    isPhoto = false
+                    takePhoto()
+                } else {
+                    runOnUiThread {
+                        binding.hint.text = "单击或语音输入“开始”，进入下一步"
+                    }
+                    "相机异常".showMessage()
+                }
+            } else {
+                SprayingPhotoManager.addPhoto(path)
+                startActivity(Intent(this@SprayingActivity, SprayingOCRActivity::class.java).apply {
+                    putExtra("path", path)
+                    putExtra("taskId", taskId)
+                    putExtra("productionInfoId", productionInfoId)
+                })
+                finish()
+            }
+        }
     }
 
 
@@ -83,6 +123,7 @@ class SprayingActivity :
 
     override fun onResume() {
         super.onResume()
+        GlassMediaServiceHelper.addPhotoCallback(mPhotoFileCallback)
         OfflineCmdServiceHelper.addOnLineListener(listener)
         OfflineCmdServiceHelper.addListenerSpraying()
     }
@@ -91,28 +132,7 @@ class SprayingActivity :
         super.onPause()
         OfflineCmdServiceHelper.removeListenerSpraying()
         OfflineCmdServiceHelper.removeOnLineListener(listener)
-    }
+        GlassMediaServiceHelper.removePhotoCallback(mPhotoFileCallback)
-
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        super.onActivityResult(requestCode, resultCode, data)
-        if (requestCode != REQUEST_CAMERA_PREVIEW) return
-        if (resultCode != RESULT_OK) {
-            binding.hint.text = "单击或语音输入“开始”，进入下一步"
-            return
-        }
-        val path = data?.getStringExtra(CameraPreviewPocActivity.EXTRA_PHOTO_PATH)
-        if (path.isNullOrBlank()) {
-            binding.hint.text = "单击或语音输入“开始”，进入下一步"
-            "未获取到照片".showMessage()
-            return
-        }
-        SprayingPhotoManager.addPhoto(path)
-        startActivity(Intent(this, SprayingOCRActivity::class.java).apply {
-            putExtra("path", path)
-            putExtra("taskId", taskId)
-            putExtra("productionInfoId", productionInfoId)
-        })
-        finish()
     }
 
     override fun onDestroy() {
@@ -120,6 +140,7 @@ class SprayingActivity :
         window.clearFlags(android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
     }
 
+    private var isPhoto = false
     private val adapter = object : CommonPagedAdapter<ItemItem>(R.layout.item_photo) {
         override fun convert(holder: ViewHolder, item: ItemItem, position: Int) {
             holder
@@ -130,6 +151,7 @@ class SprayingActivity :
                                 binding.hint.text = "拍照中，请稍后..."
                             }
                             SprayingPhotoManager.clear()
+                            isPhoto = true
                             takePhoto()
                         }
                     }

app/src/main/res/layout/activity_camera_preview_poc.xml

@@ -1,104 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-
-    <androidx.constraintlayout.widget.ConstraintLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:background="@android:color/black">
-
-        <TextureView
-            android:id="@+id/previewView"
-            android:layout_width="0dp"
-            android:layout_height="0dp"
-            android:keepScreenOn="true"
-            app:layout_constraintBottom_toTopOf="@+id/controlBar"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
-
-        <TextView
-            android:id="@+id/statusText"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="16dp"
-            android:layout_marginTop="16dp"
-            android:layout_marginEnd="16dp"
-            android:background="@drawable/bg_item"
-            android:gravity="center"
-            android:paddingHorizontal="12dp"
-            android:paddingVertical="6dp"
-            android:text="相机预览验证中"
-            android:textColor="#FF40FF5E"
-            android:textSize="16sp"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent" />
-
-        <TextView
-            android:id="@+id/zoomText"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_margin="16dp"
-            android:background="@drawable/bg_item"
-            android:paddingHorizontal="12dp"
-            android:paddingVertical="6dp"
-            android:text="缩放 1.0x"
-            android:textColor="#FF40FF5E"
-            android:textSize="14sp"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/statusText" />
-
-        <LinearLayout
-            android:id="@+id/controlBar"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_margin="16dp"
-            android:background="@drawable/bg_task_title_selected"
-            android:gravity="center"
-            android:orientation="horizontal"
-            android:padding="10dp"
-            app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent">
-
-            <TextView
-                android:id="@+id/zoomOutButton"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:background="@drawable/bg_photo"
-                android:gravity="center"
-                android:paddingVertical="8dp"
-                android:text="拉远"
-                android:textColor="#FF40FF5E"
-                android:textSize="16sp" />
-
-            <TextView
-                android:id="@+id/captureButton"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_marginHorizontal="12dp"
-                android:layout_weight="1"
-                android:background="@drawable/bg_photo"
-                android:gravity="center"
-                android:paddingVertical="8dp"
-                android:text="拍照"
-                android:textColor="#FF40FF5E"
-                android:textSize="16sp" />
-
-            <TextView
-                android:id="@+id/zoomInButton"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:background="@drawable/bg_photo"
-                android:gravity="center"
-                android:paddingVertical="8dp"
-                android:text="拉近"
-                android:textColor="#FF40FF5E"
-                android:textSize="16sp" />
-        </LinearLayout>
-
-    </androidx.constraintlayout.widget.ConstraintLayout>
-</layout>