android bella: فحص الباركود باستعمل مكتبة الفايربيز اندرويد

dependencies {
  // ...

  implementation 'com.google.firebase:firebase-ml-vision:16.0.0'
}

<meta-data android:name="com.google.firebase.ml.vision.DEPENDENCIES" android:value="text"/>

class Mlearing : AppCompatActivity() {
 lateinit var sheetBehavior: BottomSheetBehavior
 override fun onCreate(savedInstanceState: Bundle?) {
  super.onCreate(savedInstanceState)
  setContentView(R.layout.image_labeling)
  setSupportActionBar(toolbar)
  sheetBehavior = BottomSheetBehavior.from(bottom_sheet)
  val fotoapparat = Fotoapparat(context = this, view = camera_view)
  fotoapparat.start()
  //اخد صورة
  takePic.setOnClickListener {
   val photoResult = fotoapparat.takePicture()
   photoResult
     .toBitmap()
     .whenAvailable { bitmapPhoto ->
      scanBarCode(bitmapPhoto!!.bitmap)
     }
  }
  //اخد الصورة من الهاتف
  fromDevice.setOnClickListener {
   val photoPickerIntent = Intent(Intent.ACTION_GET_CONTENT)
   photoPickerIntent.type = "image/*"
   startActivityForResult(photoPickerIntent, 1)
  }

 }
 private fun scanBarCode(bitmap: Bitmap) {
  //تحويل بيتماب الى بيتماب قابل للتعديل
  val mBitmap = bitmap.copy(Bitmap.Config.ARGB_8888, true)
  val canvas = Canvas(mBitmap)
  //الحصول على الكود
  val image: FirebaseVisionImage = FirebaseVisionImage.fromBitmap(bitmap)
  val detector = FirebaseVision.getInstance().visionBarcodeDetector
  detector.detectInImage(image)
    .addOnSuccessListener {
     // انتهى بنجاح
     Log.e("", "gooo")
     for (barcode in it) {
      val bounds = barcode.boundingBox
      val corners = barcode.cornerPoints
      val redPaint = getPaint(Color.RED, 20f)
      canvas.drawRect(bounds, redPaint)
      val rawValue = barcode.rawValue
      Toast.makeText(this, "raw:$rawValue", Toast.LENGTH_LONG).show()
      val valueType = barcode.valueType
      Log.e("RAW VAL", "$rawValue | $valueType | ${barcode.displayValue}")
     }
     mImage.setImageBitmap(mBitmap)
     mImage.visibility = View.VISIBLE
    }.addOnFailureListener {
     // خطا ما وقع
     Toast.makeText(baseContext, "Sorry, something went wrong!", Toast.LENGTH_SHORT).show()
    }
 }
 
 private fun getPaint(color: Int, width: Float = 1f): Paint {
  val p = Paint()
  p.style = Paint.Style.STROKE
  p.strokeWidth = width
  p.isAntiAlias = true
  p.isFilterBitmap = true
  p.isDither = true
  p.color = color
  return p
 }

 override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent) {
  super.onActivityResult(requestCode, resultCode, data)
  if (resultCode == RESULT_OK) {
   val chosenImageUri = data.data

   val mBitmap = MediaStore.Images.Media.getBitmap(this.contentResolver, chosenImageUri)
   scanBarCode(mBitmap)
  }
 }
}