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API pemindai kode Google memberikan solusi lengkap untuk memindai kode
tanpa mengharuskan aplikasi Anda meminta izin kamera, sekaligus menjaga privasi
pengguna. Hal ini dilakukan dengan mendelegasikan tugas pemindaian kode ke
layanan Google Play dan hanya menampilkan hasil pemindaian ke aplikasi Anda (Video 1).
Semua pemrosesan gambar terjadi di perangkat dan Google tidak menyimpan hasil
atau data gambar. API ini mendukung format kode yang sama dengan
ML Kit Barcode Scanning API dan menampilkan
objek Barcode
yang sama.
API ini ideal untuk aplikasi yang memerlukan pemindaian kode yang lancar tanpa memerlukan
UI atau pengalaman kamera kustom. Implementasi sepenuhnya berada dalam
layanan Google Play, sehingga memastikan dampak minimal pada ukuran aplikasi Anda.
Mulai versi 16.1.0, Anda dapat mengaktifkan zoom otomatis untuk memungkinkan pemindai kode Google
memindai kode batang yang jauh dari kamera secara otomatis. Saat
pengguna mengarahkan perangkat ke kode batang, pemindai akan mendeteksi
dan memperbesar kode batang secara cerdas. Hal ini menghilangkan kebutuhan untuk melakukan penyesuaian zoom
manual, sehingga pemindaian kode batang menjadi lebih cepat, lebih akurat, dan lebih mudah diakses
(lihat Video 2).
Video 1. Integrasi pemindai kode Google
Video 2. Efek zoom otomatis
Untuk kasus penggunaan yang lebih kompleks yang memerlukan UI kustom, sebaiknya gunakan
ML Kit Barcode Scanning API secara langsung.
Jika Anda memiliki pertanyaan, ingin melaporkan bug, atau memerlukan bantuan, lihat
halaman komunitas ML Kit.
Sebelum memulai
Untuk mempersiapkan aplikasi Anda, selesaikan langkah-langkah di bagian berikut ini.
Anda juga dapat memeriksa ketersediaan modul pemindai secara eksplisit dan meminta
download melalui ModuleInstallClient
API layanan Google Play.
Jika Anda tidak mengaktifkan download modul saat penginstalan atau meminta download
eksplisit—dan modul pemindai belum diinstal untuk kasus
penggunaan lain—layanan Google Play akan mendownload modul pemindai saat pertama kali
digunakan.
Memindai kode
Terapkan langkah-langkah berikut untuk memindai kode batang.
Opsional: Konfigurasikan pemindai kode.
Jika mengetahui format kode batang yang ingin dibaca, Anda dapat meningkatkan kecepatan detektor kode batang dengan mengonfigurasinya untuk mendeteksi format tersebut. Misalnya, untuk hanya mendeteksi kode Aztec dan QR, buat objek GmsBarcodeScannerOptions seperti pada contoh berikut:
Secara default, zoom otomatis dinonaktifkan. Untuk mengaktifkan fungsi zoom otomatis
mulai versi 16.1.0, panggil enableAutoZoom() seperti yang ditunjukkan dalam
contoh kode berikut.
Kotlin
valoptions=GmsBarcodeScannerOptions.Builder().setBarcodeFormats(...).enableAutoZoom()// available on 16.1.0 and higher.build()
Java
GmsBarcodeScannerOptionsoptions=newGmsBarcodeScannerOptions.Builder().setBarcodeFormats(...).enableAutoZoom()// available on 16.1.0 and higher.build();
Dapatkan instance GmsBarcodeScanner,
seperti yang ditunjukkan dalam contoh kode:
Kotlin
valscanner=GmsBarcodeScanning.getClient(this)// Or with a configured options// val scanner = GmsBarcodeScanning.getClient(this, options)
Java
GmsBarcodeScannerscanner=GmsBarcodeScanning.getClient(this);// Or with a configured options// GmsBarcodeScanner scanner = GmsBarcodeScanning.getClient(context, options);
Minta pemindaian kode dengan memanggil startScan().
Kotlin
scanner.startScan().addOnSuccessListener{barcode->// Task completed successfully}.addOnCanceledListener{// Task canceled}.addOnFailureListener{e->// Task failed with an exception}
Java
scanner.startScan().addOnSuccessListener(barcode->{// Task completed successfully}).addOnCanceledListener(()->{// Task canceled}).addOnFailureListener(e->{// Task failed with an exception});
[null,null,["Terakhir diperbarui pada 2025-08-29 UTC."],[[["\u003cp\u003eThe Google Code Scanner API enables code scanning without requiring camera permission, preserving user privacy by delegating the task to Google Play services.\u003c/p\u003e\n"],["\u003cp\u003eIt supports various code formats, returns a \u003ccode\u003eBarcode\u003c/code\u003e object, and is ideal for apps needing seamless code scanning without a custom UI.\u003c/p\u003e\n"],["\u003cp\u003eAuto-zoom, available from version 16.1.0, automatically zooms in on barcodes, eliminating the need for manual adjustments and making scanning faster and more accurate.\u003c/p\u003e\n"],["\u003cp\u003eThe API uses an unbundled library downloaded before use and requires Android API level 21 or higher.\u003c/p\u003e\n"],["\u003cp\u003eFor complex use cases requiring a custom UI, the ML Kit Barcode Scanning API is recommended.\u003c/p\u003e\n"]]],[],null,["The Google code scanner API provides a complete solution for scanning code\nwithout requiring your app to request camera permission, while preserving user\nprivacy. This is accomplished by delegating the task of scanning the code to\nGoogle Play services and returning only the scan results to your app (Video 1).\nAll image processing occurs on the device and Google doesn't store the results\nor image data. The API supports the same code formats as the\n[ML Kit Barcode Scanning API](/ml-kit/vision/barcode-scanning) and returns the\nsame [`Barcode`](/android/reference/com/google/mlkit/vision/barcode/common/Barcode)\nobject.\n\nThis API is ideal for apps that require seamless code scanning without the need\nfor a custom UI or camera experience. The implementation resides entirely within\nGoogle Play services, ensuring minimal impact on the size of your app.\n\nStarting with version 16.1.0, you can enable auto-zoom to allow the Google code\nscanner to automatically scan barcodes that are far away from the camera. When\nusers point their devices at a barcode, the scanner will intelligently detect\nand zoom in on the barcode. This eliminates the need for manual zoom\nadjustments, making barcode scanning faster, more accurate and more accessible\n(see Video 2).\n\n|------------------------------------------|---------------------------|\n| | |\n| Video 1. Google code scanner integration | Video 2. Auto-zoom effect |\n\n\u003cbr /\u003e\n\nFor more complex use cases that require a custom UI, we recommend using the\n[ML Kit Barcode Scanning API](/ml-kit/vision/barcode-scanning) directly.\n\nIf you have questions, want to submit a bug, or need assistance, check the\n[ML Kit community page](/ml-kit/community).\n| This API uses an unbundled library that must be downloaded before use. See [this guide](/ml-kit/tips/installation-paths) for more information.\n\nBefore you begin This API requires Android API level 21 or above. Make sure that your app's build file uses a `minSdkVersion` value of 21 or higher.\n\nTo prepare your app, complete the steps in the following sections.\n\nConfigure your app\n\n1. In your top-level `settings.gradle` file, include\n [Google's Maven repository](https://maven.google.com/web/index.html) and\n [Maven central repository](https://search.maven.org/artifact) in under the\n `dependencyResolutionManagement` block:\n\n dependencyResolutionManagement {\n repositories {\n google()\n mavenCentral()\n }\n }\n\n2. Add the Google Play services dependency for the `play-services-code-scanner`\n SDK to your module's Gradle build file, which is commonly `app/build.gradle`:\n\n dependencies {\n implementation 'com.google.android.gms:play-services-code-scanner:16.1.0'\n }\n\n3. You can configure your app to have Google Play services automatically\n download the scanner module to the device while your app is installed from\n the Play Store.\n\n \u003capplication ...\u003e\n ...\n \u003cmeta-data\n android:name=\"com.google.mlkit.vision.DEPENDENCIES\"\n android:value=\"barcode_ui\"/\u003e\n ...\n \u003c/application\u003e\n\n You can also explicitly check the scanner module availability and request\n download through Google Play services [ModuleInstallClient\n API](https://developers.google.com/android/guides/module-install-apis).\n\n If you don't enable install-time module downloads or request explicit\n downloads---and the scanner module isn't already installed for another\n use case---Google Play services downloads the scanner module the first\n time it's used.\n\nScan a code\n\nImplement the following steps to scan a barcode.\n\n1. Optional: Configure the code scanner.\n\n If you know which barcode formats you expect to read, you can improve the\n speed of the barcode detector by configuring it to only detect those\n formats. For example, to detect only Aztec code and QR codes, build a\n [`GmsBarcodeScannerOptions`](/android/reference/com/google/mlkit/vision/codescanner/GmsBarcodeScannerOptions.Builder)\n object as in the following example: \n\n Kotlin \n\n ```kotlin\n val options = GmsBarcodeScannerOptions.Builder()\n .setBarcodeFormats(\n Barcode.FORMAT_QR_CODE,\n Barcode.FORMAT_AZTEC)\n .build()\n ```\n\n Java \n\n ```java\n GmsBarcodeScannerOptions options = new GmsBarcodeScannerOptions.Builder()\n .setBarcodeFormats(\n Barcode.FORMAT_QR_CODE,\n Barcode.FORMAT_AZTEC)\n .build();\n ```\n\n By default, auto-zoom is turned off. To enable auto-zoom functionality\n starting in version 16.1.0, call `enableAutoZoom()` as shown in the\n following code example. \n\n Kotlin \n\n ```kotlin\n val options = GmsBarcodeScannerOptions.Builder()\n .setBarcodeFormats(...)\n .enableAutoZoom() // available on 16.1.0 and higher\n .build()\n ```\n\n Java \n\n ```java\n GmsBarcodeScannerOptions options = new GmsBarcodeScannerOptions.Builder()\n .setBarcodeFormats(...)\n .enableAutoZoom() // available on 16.1.0 and higher\n .build();\n ```\n2. Get an instance of [`GmsBarcodeScanner`](/android/reference/com/google/mlkit/vision/codescanner/GmsBarcodeScanner),\n as shown in the code example:\n\n Kotlin \n\n ```kotlin\n val scanner = GmsBarcodeScanning.getClient(this)\n // Or with a configured options\n // val scanner = GmsBarcodeScanning.getClient(this, options)\n ```\n\n Java \n\n ```java\n GmsBarcodeScanner scanner = GmsBarcodeScanning.getClient(this);\n // Or with a configured options\n // GmsBarcodeScanner scanner = GmsBarcodeScanning.getClient(context, options);\n ```\n3. Request a code scanning by calling [`startScan()`](/android/reference/com/google/mlkit/vision/codescanner/GmsBarcodeScanner#startScan()).\n\n Kotlin \n\n ```kotlin\n scanner.startScan()\n .addOnSuccessListener { barcode -\u003e\n // Task completed successfully\n }\n .addOnCanceledListener {\n // Task canceled\n }\n .addOnFailureListener { e -\u003e\n // Task failed with an exception\n }\n ```\n\n Java \n\n ```java\n scanner\n .startScan()\n .addOnSuccessListener(\n barcode -\u003e {\n // Task completed successfully\n })\n .addOnCanceledListener(\n () -\u003e {\n // Task canceled\n })\n .addOnFailureListener(\n e -\u003e {\n // Task failed with an exception\n });\n ```\n4. Handle the resulting [`Barcode`](/android/reference/com/google/mlkit/vision/barcode/common/Barcode).\n\n Kotlin \n\n ```kotlin\n val rawValue: String? = barcode.rawValue\n ```\n\n Java \n\n ```java\n String rawValue = barcode.getRawValue();\n ```"]]
