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https://github.com/Kuama-IT/android-document-scanner

A A4-ish document scanner for Android, based on opencv
https://github.com/Kuama-IT/android-document-scanner

android-library camerax document-scanner kotlin opencv

Last synced: 6 days ago
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A A4-ish document scanner for Android, based on opencv

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[![](https://jitpack.io/v/kuamanet/android-document-scanner.svg)](https://jitpack.io/#kuamanet/android-document-scanner)
[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
# Android Document Scanner
Contains an activity that allows the user to scan a A4 paper with the smartphone camera.
It is based on CameraX and OpenCV

### Installation
Add it in your root `build.gradle` at the end of repositories:
```groovy
allprojects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
```
Add the dependency
```groovy
dependencies {
implementation 'com.github.kuamanet:android-document-scanner:Tag'
}
```

### Usage
Inherit from `BaseScannerActivity`

```kotlin
class ScannerActivity : BaseScannerActivity() {
override fun onError(throwable: Throwable) {
when (throwable) {
is NullCorners -> Toast.makeText(
this,
R.string.null_corners, Toast.LENGTH_LONG
)
.show()
else -> Toast.makeText(this, throwable.message, Toast.LENGTH_LONG).show()
}
}

override fun onDocumentAccepted(bitmap: Bitmap) {
}

override fun onClose() {
finish()
}
}

```

### Preview
Detect document

![detect](https://github.com/kuamanet/android-document-scanner/blob/master/images/detect.jpg)

Crop document

![crop](https://github.com/kuamanet/android-document-scanner/blob/master/images/crop.jpg)