nfc_read_write_plugin 0.0.3

a flutter plugin that can read and write mifare card via NFC on the Android platform.

nfc_read_write_plugin

Flutter plugin for accessing the NFC features on Android and iOS.

Note: This plugin depends on NfcAdapter#enableReaderMode (requires Android API level 19 or later).

Getting Started

Setup

Android Setup

• Add android.permission.NFC to your AndroidManifest.xml.

• replace MainActivity import android.app.PendingIntent; import android.content.Intent; import android.content.IntentFilter; import android.nfc.NfcAdapter; import android.nfc.tech.NfcA; import android.nfc.tech.NfcV;

import io.flutter.embedding.android.FlutterActivity;

public class MainActivity extends FlutterActivity { protected String[][] techList; protected IntentFilter[] intentFilters; protected PendingIntent pendingIntent; @Override protected void onResume() {

    super.onResume();
    techList = new String[][] { new String[] { NfcV.class.getName() },
            new String[] { NfcA.class.getName() } };
    intentFilters = new IntentFilter[] { new IntentFilter(NfcAdapter.ACTION_TECH_DISCOVERED), };
    // 创建一个 PendingIntent 对象, 这样Android系统就能在一个tag被检测到时定位到这个对象
    pendingIntent = PendingIntent.getActivity(this, 0,
            new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
    NfcAdapter.getDefaultAdapter(this).enableForegroundDispatch(this, pendingIntent, intentFilters, techList);

}

@Override
protected void onPause() {
    super.onPause();

    NfcAdapter.getDefaultAdapter(this).enableForegroundDispatch(this, pendingIntent, intentFilters, techList);
}

}