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Scanning a credit card from an image file with the Android Credit Card Scanner Module

The Scanbot SDK Credit Card Scanner can detect and extract information from still images imported from the gallery or any other source, not just live credit card detection.

Integration​

You can take a look at the following example to see the Credit Card Scanner in action and to gain a comprehensive understanding of how to integrate it into your project:

Adding the feature as a dependency​

CreditCardScanner is included in Scanbot SDK package 3. Therefore, add the dependency io.scanbot:sdk-package-3 or higher in your build.gradle:

implementation("io.scanbot:sdk-package-3:$latestSdkVersion")
implementation("io.scanbot:sdk-creditcard-assets:$latestSdkVersion")
caution

Do not use multiple scanners (e.g., MRZ Scanner and Credit Card Scanner) at the same time.

Each scanner instance requires a lot of memory, GPU, and processor resources. Using multiple scanners will lead to performance issues for the entire application.

Initializing the SDK​

Before use, the Scanbot SDK must be initialized. Add the following code snippet to your Application class:

Initialize SDK
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Processing the image​

To select an image from the photo library and run detection on it, a class for an image import contract is created using the modern Android result API.

Import image Contract
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To run the gallery call and get a Bitmap using ImportImageContract, the following code is used:

Import image launcher
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Creating a scanner​

Create Credit Card Scanner
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caution

Avoid creating new CreditCardScanner instances for each import operation, as this will also allocate memory for each instance.

Detection​

Use the Scanbot SDK to detect the desired element on the imported image.

Extracting credit card data from an image
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