CheckScannerActivity.kt

package io.scanbot.example

import android.content.Context
import android.content.Intent
import android.os.Bundle
import android.view.View
import android.widget.TextView
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.core.view.WindowCompat
import io.scanbot.common.Result
import io.scanbot.common.onFailure
import io.scanbot.common.onSuccess

import io.scanbot.example.common.applyEdgeToEdge
import io.scanbot.sdk.ScanbotSDK
import io.scanbot.sdk.camera.CameraPreviewMode
import io.scanbot.sdk.check.CheckScannerFrameHandler
import io.scanbot.sdk.check.CheckScannerFrameHandler.Companion.attach
import io.scanbot.sdk.check.CheckScanningResult
import io.scanbot.sdk.check.CheckMagneticInkStripScanningStatus
import io.scanbot.sdk.ui.camera.ScanbotCameraXView

class CheckScannerActivity : AppCompatActivity() {
    private lateinit var cameraView: ScanbotCameraXView
    private lateinit var resultView: TextView
    private lateinit var frameHandler: CheckScannerFrameHandler
    var flashEnabled = false

    override fun onCreate(savedInstanceState: Bundle?) {
        supportRequestWindowFeature(WindowCompat.FEATURE_ACTION_BAR_OVERLAY)
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_check_scanner)
        supportActionBar?.hide()
        applyEdgeToEdge(this.findViewById(R.id.root_view))

        cameraView = findViewById<ScanbotCameraXView>(R.id.camera).also { cameraView ->
            cameraView.setPreviewMode(CameraPreviewMode.FIT_IN)
            cameraView.setCameraOpenCallback {
                cameraView.postDelayed({
                    cameraView.useFlash(flashEnabled)
                    cameraView.continuousFocus()
                }, 700)
            }
        }

        resultView = findViewById<View>(R.id.result) as TextView
        val scanbotSDK = ScanbotSDK(this)

        scanbotSDK.createCheckScanner().onSuccess { checkScanner ->
            frameHandler = attach(cameraView, checkScanner)
            frameHandler.addResultHandler { result, frame ->
                result.onSuccess { scanningResult ->
                    if (scanningResult.status == CheckMagneticInkStripScanningStatus.SUCCESS) {
                        frameHandler.isEnabled = false
                        startActivity(
                            CheckScannerResultActivity.newIntent(
                                this@CheckScannerActivity,
                                scanningResult
                            )
                        )
                    }
                }.onFailure {
                    if (it is Result.InvalidLicenseError) {
                        frameHandler.isEnabled = false
                        runOnUiThread {
                            Toast.makeText(
                                this@CheckScannerActivity,
                                "License is expired",
                                Toast.LENGTH_LONG
                            ).show()
                            finish()
                        }
                    }
                }

                false
            }
        }

        findViewById<View>(R.id.flash).setOnClickListener {
            flashEnabled = !flashEnabled
            cameraView.useFlash(flashEnabled)
        }
        Toast.makeText(
            this,
            if (scanbotSDK.licenseInfo.isValid) "License is active" else "License is expired",
            Toast.LENGTH_LONG
        ).show()
    }

    override fun onResume() {
        super.onResume()
        frameHandler.isEnabled = true
    }

    companion object {
        @JvmStatic
        fun newIntent(context: Context?): Intent {
            return Intent(context, CheckScannerActivity::class.java)
        }
    }

}