flutter_barcode_reader/android/src/main/kotlin/com/apptreesoftware/barcodescan/BarcodeScanPlugin.kt

49 lines
1.5 KiB
Kotlin

package com.apptreesoftware.barcodescan
import android.app.Activity
import android.content.Intent
import io.flutter.plugin.common.MethodChannel
import io.flutter.plugin.common.MethodChannel.MethodCallHandler
import io.flutter.plugin.common.MethodChannel.Result
import io.flutter.plugin.common.MethodCall
import io.flutter.plugin.common.PluginRegistry
import io.flutter.plugin.common.PluginRegistry.Registrar
class BarcodeScanPlugin(val activity: Activity): MethodCallHandler,
PluginRegistry.ActivityResultListener {
var result : Result? = null
companion object {
@JvmStatic
fun registerWith(registrar: Registrar): Unit {
val channel = MethodChannel(registrar.messenger(), "com.apptreesoftware.barcode_scan")
val plugin = BarcodeScanPlugin(registrar.activity())
channel.setMethodCallHandler(plugin)
registrar.addActivityResultListener(plugin)
}
}
override fun onMethodCall(call: MethodCall, result: Result): Unit {
if (call.method.equals("scan")) {
this.result = result
showBarcodeView()
} else {
result.notImplemented()
}
}
private fun showBarcodeView() {
val intent = Intent(activity, BarcodeScannerActivity::class.java)
activity.startActivityForResult(intent, 100)
}
override fun onActivityResult(code: Int, resultCode: Int, data: Intent?): Boolean {
if (code == 100) {
if (resultCode == Activity.RESULT_OK) {
val barcode = data?.getStringExtra("SCAN_RESULT")
barcode?.let { this.result?.success(barcode) }
}
}
return false
}
}