{"id":459384,"date":"2025-05-12T21:01:40","date_gmt":"2025-05-12T21:01:40","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=459384"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=459384","title":{"rendered":"ML KIT \u2014 \u0421\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432 Android \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445<\/span>"},"content":{"rendered":"
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<\/figure>\n

\u0421 \u0447\u0435\u0433\u043e \u0431\u044b \u043d\u0430\u0447\u0430\u0442\u044c?<\/h2>\n

\u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043e\u0442 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google ML Kit \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 \u043d\u0430\u0431\u043e\u0440 \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u044b\u0445 API, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043a\u0430\u043a \u043d\u0430 \u0441\u0430\u043c\u043e\u043c \u0434\u0435\u0432\u0430\u0439\u0441\u0435, \u0442\u0430\u043a \u0438 \u0432 \u043e\u0431\u043b\u0430\u043a\u0435.<\/h4>\n

ML Kit — \u044d\u0442\u043e \u043c\u043e\u0449\u043d\u044b\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043a\u0430\u043c\u0435\u0440\u043e\u0439 \u0432 Android \u0438 IOS \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445. <\/strong><\/p>\n

\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 ML Kit<\/h2>\n
<\/figure>\n
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\u041a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044f<\/p>\n<\/td>\n

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API<\/p>\n<\/td>\n

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\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/p>\n<\/td>\n<\/tr>\n

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\u0420\u0430\u0431\u043e\u0442\u0430 \u0441 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f\u043c\u0438<\/p>\n<\/td>\n

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Face Detection<\/p>\n<\/td>\n

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\u041e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u043b\u0438\u0446, \u0447\u0435\u0440\u0442 \u043b\u0438\u0446\u0430, \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u0432\u0437\u0433\u043b\u044f\u0434\u0430 \u0438 \u0442.\u0434.<\/p>\n<\/td>\n<\/tr>\n

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Text Recognition<\/p>\n<\/td>\n

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\u0420\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u043d\u0438\u0435 \u0442\u0435\u043a\u0441\u0442\u0430, \u0441 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0444\u0438\u043b\u044c\u0442\u0440\u043e\u0432\u0430\u0442\u044c \u0438 \u043f\u043e\u043b\u0443\u0447\u0430\u0442\u044c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442<\/p>\n<\/td>\n<\/tr>\n

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Barcode Scanning<\/p>\n<\/td>\n

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\u0421\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 QR-\u043a\u043e\u0434\u043e\u0432 \u0438 \u0448\u0442\u0440\u0438\u0445\u043a\u043e\u0434\u043e\u0432<\/p>\n<\/td>\n<\/tr>\n

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Image Labeling<\/p>\n<\/td>\n

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\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u043d\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0438<\/p>\n<\/td>\n<\/tr>\n

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Object Detection & Tracking<\/p>\n<\/td>\n

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\u041e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u0438 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432<\/p>\n<\/td>\n<\/tr>\n

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\u0420\u0430\u0431\u043e\u0442\u0430 \u0441 \u0442\u0435\u043a\u0441\u0442\u043e\u043c<\/p>\n<\/td>\n

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Smart Reply<\/p>\n<\/td>\n

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\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u043e\u0442\u0432\u0435\u0442\u043e\u0432 \u043d\u0430 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f <\/p>\n<\/td>\n<\/tr>\n

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Translate<\/p>\n<\/td>\n

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\u041f\u0435\u0440\u0435\u0432\u043e\u0434 \u0442\u0435\u043a\u0441\u0442\u0430 \u0432 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u0432\u0440\u0435\u043c\u0435\u043d\u0438<\/p>\n<\/td>\n<\/tr>\n

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Language Indetification<\/p>\n<\/td>\n

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\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u044f\u0437\u044b\u043a\u0430 \u0442\u0435\u043a\u0441\u0442\u0430<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\u041a\u0430\u043a \u0434\u0435\u043b\u0430 c Jetpack Compose?<\/h3>\n

\u0421 Jetpack Compose \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 ML Kit \u043e\u0442\u043b\u0438\u0447\u043d\u043e \u0434\u0440\u0443\u0436\u0438\u0442 \u0438 \u043d\u0430\u0441\u0442\u043e\u044f\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u044e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432 \u044d\u0442\u043e\u0439 \u0441\u0432\u044f\u0437\u043a\u0435. <\/p>\n

\u0421 \u0447\u0435\u0433\u043e \u043d\u0430\u0447\u0430\u0442\u044c?<\/h2>\n

\u0414\u043b\u044f \u043f\u0440\u0438\u043c\u0435\u0440\u0430 \u044f \u0432\u043e\u0437\u044c\u043c\u0443 \u0434\u0432\u0435 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 — \u043e\u0434\u043d\u0430 \u0434\u043b\u044f \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f QR\/\u0448\u0442\u0440\u0438\u0445\u043a\u043e\u0434\u043e\u0432, \u0434\u0440\u0443\u0433\u0430\u044f — \u0434\u043b\u044f \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u0442\u0435\u043a\u0441\u0442\u0430.<\/em><\/p>\n

mlkit = { group = \"com.google.mlkit\", name = \"barcode-scanning\", version = \"17.2.0\" } mlkit-text = { group = \"com.google.mlkit\", name = \"text-recognition\", version = \"16.0.0\" }  implementation \"androidx.camera:camera-core:1.4.0\" \/\/ \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 CameraX<\/code><\/pre>\n
1) \u041c\u043e\u0436\u0435\u043c \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f. \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c AndroidView, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u043d\u0430\u043c \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 PreviewView \u0432 \u043a\u0430\u043c\u0435\u0440\u0435.<\/p>\n
@Composable fun ScannerScreen(   scanType: ScanType,   onCodeScanned: ((String) -> Unit)? = null \/\/ \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430 \u043d\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u044d\u043a\u0440\u0430\u043d ) {     val lifecycleOwner = LocalLifecycleOwner.current     val context = LocalContext.current     val analysisExecutor = remember { CoroutineScope(Dispatchers.Default) }     val cameraProviderFuture = remember { ProcessCameraProvider.getInstance(context) }      DisposableEffect(Unit) {         onDispose {             val cameraProvider = cameraProviderFuture.get()             cameraProvider.unbindAll()          }     }      Box(modifier = Modifier.fillMaxSize()) {    AndroidView(             factory = { ctx ->                 val previewView = PreviewView(ctx).apply {                     layoutParams = ViewGroup.LayoutParams(                         ViewGroup.LayoutParams.MATCH_PARENT,                         ViewGroup.LayoutParams.MATCH_PARENT                     )                     scaleType = PreviewView.ScaleType.FILL_CENTER                 }                    val cameraProviderFuture = ProcessCameraProvider.getInstance(ctx)                 cameraProviderFuture.addListener({                     val cameraProvider = cameraProviderFuture.get()                      val previewUseCase = Preview.Builder().build().also {                         it.surfaceProvider = previewView.surfaceProvider                     }                      val permissionGranted = ContextCompat.checkSelfPermission(                         ctx, Manifest.permission.CAMERA                     ) == PackageManager.PERMISSION_GRANTED                      val barcodeScanner = BarcodeScanning.getClient(                         BarcodeScannerOptions.Builder()                             .setBarcodeFormats(Barcode.FORMAT_QR_CODE)                             .build()                     )                      if (!permissionGranted) {                          \/\/ \u041d\u0435\u0442 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043a\u0430\u043c\u0435\u0440\u0435                         return@addListener                     }                      val selector = when {                         cameraProvider.hasCamera(CameraSelector.DEFAULT_BACK_CAMERA) -> CameraSelector.DEFAULT_BACK_CAMERA                          cameraProvider.hasCamera(CameraSelector.DEFAULT_FRONT_CAMERA) -> CameraSelector.DEFAULT_FRONT_CAMERA                         else -> {                           return@addListener                         }                     }                      val analysisUseCase = ImageAnalysis.Builder()                         .setTargetResolution(Size(1280, 720))                         .setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST)                         .build()                         .also { analysis ->                             analysis.setAnalyzer(                                 { runnable -> analysisExecutor.launch { runnable.run() } }                             ) { imageProxy ->                                 val mediaImage = imageProxy.image                                  if (mediaImage != null) {                                     val rotation = imageProxy.imageInfo.rotationDegrees                                     val inputImage = InputImage.fromMediaImage(mediaImage, rotation)                                     when (scanType) {                                         ScanType.ScanQr -> {                                             barcodeScanner.process(inputImage)                                                 .addOnSuccessListener { barcodes ->                                                     barcodes.firstOrNull { barcode ->                                                         val box = barcode.boundingBox                                                         box != null                                                      }?.rawValue?.let { qrCode ->                                                         onCodeScanned?.let { it(qrCode) }                                                     }                                                 }                                                 .addOnCompleteListener {                                                     imageProxy.close()                                                 }                                         }                                          ScanType.ScanCard -> {                                             val textRecognizer = TextRecognition.getClient(                                                 TextRecognizerOptions.DEFAULT_OPTIONS                                             )                                               textRecognizer.process(inputImage)                                                 .addOnSuccessListener { visionText ->                                                      if (!visionText.isNullOrEmpty()) {                                                         onCodeScanned?.let {                                                             it(visionText)                                                         }                                                     }                                                 }                                                 .addOnCompleteListener {                                                     imageProxy.close()                                                 }                                         }                                          ScanType.ScanText -> {                                             val textRecognizer = TextRecognition.getClient(                                                 TextRecognizerOptions.DEFAULT_OPTIONS                                             )                                              textRecognizer.process(inputImage)                                                 .addOnSuccessListener { visionText ->                                                     val text = visionText.text                                                        if (!text.isNullOrEmpty()) {                                                         onCodeScanned?.let { result ->                                                             result(text)                                                         }                                                     }                                                 }                                                 .addOnCompleteListener {                                                     imageProxy.close()                                                 }                                          }                                          ScanType.None -> {}                                     }                                 } else {                                     imageProxy.close()                                 }                             }                         }                      try {                         cameraProvider.unbindAll()                         cameraProvider.bindToLifecycle(                             lifecycleOwner,                             selector,                             previewUseCase,                             analysisUseCase                         )                     } catch (exception: Exception) {                       \/\/ \u041e\u0448\u0438\u0431\u043a\u0430 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438 \u043a\u0430\u043c\u0435\u0440\u044b                     }                  }, ContextCompat.getMainExecutor(ctx))                  previewView             },             modifier = Modifier.fillMaxSize()         )         when (scanType) {                                   ScanType.ScanQr -> { CameraScanQrOverlay() }              ScanType.ScanCard -> { CameraScanCardOverlay() }              ScanType.ScanText -> { CameraScanTextOverlay() }              ScanType.None -> {}         }     } }   sealed class ScanType() {   data object ScanQr: ScanType()   data object ScanText: ScanType()   data object ScanCard: ScanType()   data object None: ScanType() }<\/code><\/pre>\n
\u0427\u0442\u043e \u0437\u0434\u0435\u0441\u044c \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442? \u0421\u043e\u0437\u0434\u0430\u0435\u043c PreviewView \u0434\u043b\u044f \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0441 \u043a\u0430\u043c\u0435\u0440\u044b (CameraX), \u0434\u0430\u043b\u0435\u0435 \u0432 LayoutParams \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u0448\u0438\u0440\u0438\u043d\u0443 \u0438 \u0432\u044b\u0441\u043e\u0442\u0443 \u0434\u043b\u044f \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430. <\/p>\n
PreviewView.ScaleType.FILL_CENTER — \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u0437\u0430 \u0442\u043e, \u0447\u0442\u043e\u0431\u044b \u0437\u0430\u043f\u043e\u043b\u043d\u0438\u0442\u044c PreviewView, \u0441\u043e\u0445\u0440\u0430\u043d\u044f\u044f \u043f\u0440\u0438 \u044d\u0442\u043e\u043c\u0443 \u0446\u0435\u043d\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435.<\/p>\n
\u041a\u0430\u043a\u0438\u0435 \u0435\u0441\u0442\u044c \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b PreviewView.ScaleType?<\/em><\/p>\n