Updated on 2026-08-14

app/src/main/java/com/tangem/presentation/activity/QrScanActivity.kt

@@ -0,0 +1,68 @@
+package com.tangem.presentation.activity
+
+import android.Manifest
+import android.app.Activity
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.support.v4.app.ActivityCompat
+import android.support.v7.app.AppCompatActivity
+
+import com.google.zxing.Result
+
+import me.dm7.barcodescanner.zxing.ZXingScannerView
+
+class QrScanActivity : AppCompatActivity(), ZXingScannerView.ResultHandler {
+
+    private var scannerView: ZXingScannerView? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED)
+            ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.CAMERA), 1)
+        else
+            runScanner()
+    }
+
+    override fun onPause() {
+        super.onPause()
+        if (scannerView != null)
+            scannerView!!.stopCamera()
+    }
+
+    override fun onResume() {
+        super.onResume()
+        if (scannerView != null)
+            scannerView!!.startCamera()
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
+        when (requestCode) {
+            1 -> {
+                if (grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED)
+                    runScanner()
+                else {
+                    setResult(Activity.RESULT_CANCELED)
+                    finish()
+                }
+            }
+        }
+    }
+
+    override fun handleResult(result: Result) {
+        val data = Intent()
+        data.putExtra("QRCode", result.text)
+        setResult(Activity.RESULT_OK, data)
+        finish()
+    }
+
+    private fun runScanner() {
+        // programmatically initialize the scanner view
+        scannerView = ZXingScannerView(this)
+        setContentView(scannerView)
+        // register ourselves as a handler for scan results.
+        scannerView!!.setResultHandler(this)
+        scannerView!!.startCamera()
+    }
+
+}