Android Kotlin从Activity中获取Zxing条形码结果片段

implementation 'com.google.zxing:core:3.4.1'
implementation 'com.journeyapps:zxing-android-embedded:4.2.0'

private val REQUEST_CODE_SCAN = 100

private fun startBarcodeScanner() {
    val integrator = IntentIntegrator(this)
    integrator.setDesiredBarcodeFormats(IntentIntegrator.ALL_CODE_TYPES)
    integrator.setPrompt("Scan a barcode")
    integrator.setCameraId(0)  // 设置使用后置摄像头
    integrator.setBeepEnabled(false)  // 设置扫描成功时是否播放声音
    integrator.setBarcodeImageEnabled(true)  // 设置是否保存扫描的条形码图片
    integrator.initiateScan()
}

override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
    super.onActivityResult(requestCode, resultCode, data)
    if (requestCode == REQUEST_CODE_SCAN) {
        val result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data)
        if (result != null && result.contents != null) {
            val barcodeResult = result.contents
            // 在这里处理扫描到的条形码结果
        }
    }
}

<uses-permission android:name="android.permission.CAMERA" />