UROVO ScanManager Kotlin の例と検証チェックリスト

import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.content.IntentFilter
import android.device.ScanManager
import androidx.appcompat.app.AppCompatActivity

class UrovoScannerActivity : AppCompatActivity() {
    private val scanner = ScanManager()
    private var receiverRegistered = false

    private val decodeReceiver = object : BroadcastReceiver() {
        override fun onReceive(context: Context, intent: Intent) {
            if (intent.action != ScanManager.ACTION_DECODE) return
            val raw = intent.getByteArrayExtra(ScanManager.DECODE_DATA_TAG) ?: return
            val declaredLength = intent.getIntExtra(ScanManager.BARCODE_LENGTH_TAG, raw.size)
            val type = intent.getByteExtra(ScanManager.BARCODE_TYPE_TAG, 0)
            val value = intent.getStringExtra(ScanManager.BARCODE_STRING_TAG)
                ?: raw.copyOf(declaredLength.coerceIn(0, raw.size)).toString(Charsets.UTF_8)
            onValidatedScan(value, type)
        }
    }

    override fun onStart() {
        super.onStart()
        check(scanner.openScanner()) { "Scanner could not be opened" }
        // Confirm the broadcast-output constant in the SDK version you ship.
        check(scanner.switchOutputMode(0)) { "Output mode could not be set" }
        registerReceiver(decodeReceiver, IntentFilter(ScanManager.ACTION_DECODE))
        receiverRegistered = true
    }

    override fun onStop() {
        scanner.stopDecode()
        if (receiverRegistered) unregisterReceiver(decodeReceiver)
        receiverRegistered = false
        scanner.closeScanner()
        super.onStop()
    }

    private fun onValidatedScan(value: String, type: Byte) {
        // Route a sanitized domain event; do not log sensitive barcode values.
    }
}