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86 changes: 86 additions & 0 deletions
86
android/app/src/main/kotlin/com/osj/lotura/MainActivity.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package com.osj.lotura | ||
|
|
||
| import android.app.PendingIntent | ||
| import android.content.Intent | ||
| import android.content.IntentFilter | ||
| import android.nfc.NdefMessage | ||
| import android.nfc.NdefRecord | ||
| import android.nfc.NfcAdapter | ||
| import android.os.Bundle | ||
| import io.flutter.embedding.android.FlutterActivity | ||
| import io.flutter.embedding.engine.FlutterEngine | ||
| import io.flutter.plugin.common.MethodChannel | ||
|
|
||
| class MainActivity : FlutterActivity() { | ||
| private lateinit var nfcAdapter: NfcAdapter | ||
| private var returnData = -1 | ||
| override fun onCreate(savedInstanceState: Bundle?) { | ||
| super.onCreate(savedInstanceState) | ||
| nfcAdapter = NfcAdapter.getDefaultAdapter(this) | ||
|
|
||
| if (intent.action == NfcAdapter.ACTION_NDEF_DISCOVERED) { | ||
| val data = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES) | ||
| val message = data?.get(0) as NdefMessage | ||
| val record = message.records[0] as NdefRecord | ||
| val byteArr = record.payload | ||
|
|
||
| returnData = String(byteArr).toInt() | ||
| } | ||
| } | ||
|
|
||
| override fun configureFlutterEngine(flutterEngine: FlutterEngine) { | ||
| super.configureFlutterEngine(flutterEngine) | ||
| MethodChannel( | ||
| flutterEngine.dartExecutor.binaryMessenger, | ||
| "com.osj.lotura/nfc_info" | ||
| ).setMethodCallHandler { call, result -> | ||
| when (call.method) { | ||
| "getNFCInfo" -> { | ||
| result.success("{\"index\" : $returnData}") | ||
| returnData = -1 | ||
| } | ||
|
|
||
| "nfcIsAvailable" -> { | ||
| result.success(nfcAdapter.isEnabled) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| override fun onNewIntent(intent: Intent) { | ||
| super.onNewIntent(intent) | ||
| if (intent.action == NfcAdapter.ACTION_NDEF_DISCOVERED) { | ||
| val data = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES) | ||
| val message = data?.get(0) as NdefMessage | ||
| val record = message.records[0] as NdefRecord | ||
| val byteArr = record.payload | ||
|
|
||
| returnData = String(byteArr).toInt() | ||
| } | ||
| } | ||
|
|
||
| override fun onResume() { | ||
| super.onResume() | ||
| enableNfcForegroundDispatch() | ||
| } | ||
|
|
||
| override fun onPause() { | ||
| super.onPause() | ||
| disableNfcForegroundDispatch() | ||
| } | ||
|
|
||
| private fun enableNfcForegroundDispatch() { | ||
| val pendingIntent = PendingIntent.getActivity( | ||
| this, 0, Intent(this, javaClass).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), | ||
| PendingIntent.FLAG_IMMUTABLE | ||
| ) | ||
| val intentFilters = arrayOf( | ||
| IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED), | ||
| ) | ||
| nfcAdapter.enableForegroundDispatch(this, pendingIntent, intentFilters, null) | ||
| } | ||
|
|
||
| private fun disableNfcForegroundDispatch() { | ||
| nfcAdapter.disableForegroundDispatch(this) | ||
| } | ||
| } |
6 changes: 0 additions & 6 deletions
6
android/app/src/main/kotlin/com/team/osj/lotura/MainActivity.kt
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