Scan qr code using kotlin

This source code tutorial enable scan qr code using kotlin. Before using this source code you need to follow another tutorial that i have wrote for request camera permission only able to using this source code to scan qr code.

Request camera permission can found at

Request Multiple Permission kotlin

build.gradle add in dependencies

implementation 'com.budiyev.android:code-scanner:2.1.0'

MainActivity.kt

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Toast
import com.budiyev.android.codescanner.*
class MainActivity : AppCompatActivity() {
    private lateinit var codeScanner: CodeScanner
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main.xml)

        val scannerView = findViewById<CodeScannerView>(R.id.scanner_view)

        codeScanner = CodeScanner(this, scannerView)

        // Parameters (default values)
        codeScanner.camera = CodeScanner.CAMERA_BACK // or CAMERA_FRONT or specific camera id
        codeScanner.formats = CodeScanner.ALL_FORMATS // list of type BarcodeFormat,
        // ex. listOf(BarcodeFormat.QR_CODE)
        codeScanner.autoFocusMode =…