Android Open Source - BusTicketer Beam Activity

From Project

Back to project page BusTicketer.

License

The source code is released under:

Copyright (c) 2013, Nelspike All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Red...

If you think the Android project BusTicketer listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package bus.ticketer.passenger;
/*from   w w w  .  ja  va2s.  c  o m*/
import android.nfc.NdefMessage;
import android.nfc.NdefRecord;
import android.nfc.NfcAdapter;
import android.nfc.NfcAdapter.CreateNdefMessageCallback;
import android.nfc.NfcAdapter.OnNdefPushCompleteCallback;
import android.nfc.NfcEvent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Parcelable;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.widget.Toast;

public class BeamActivity extends Activity implements CreateNdefMessageCallback, OnNdefPushCompleteCallback {

  private NfcAdapter myNFC;
  private int ticketID;
  private final int MESSAGE_SENT = 1;
  
  @SuppressLint("HandlerLeak")
  private Handler mHandler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
      switch(msg.what) {
        case MESSAGE_SENT:
          Intent intent = new Intent(BeamActivity.this, CentralActivity.class);
          intent.putExtra("Waiting", true);
          startActivity(intent);
          finish();
          break;
      }
    }
  };
  
  @Override
  public void onNewIntent(Intent intent) {
    setIntent(intent);
  }
  
  @Override
  public void onResume() {
    super.onResume();
    if(NfcAdapter.ACTION_NDEF_DISCOVERED.equals(getIntent().getAction()))
      processIntent(getIntent());
  }
  
  private void processIntent(Intent intent) {
    Parcelable[] rawMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
    
    NdefMessage msg = (NdefMessage) rawMsgs[0];
    String payload = new String(msg.getRecords()[0].getPayload());

    Intent i = new Intent(BeamActivity.this, CentralActivity.class);
    
    if(payload.equals("Success"))
      i.putExtra("Success", true);
    else
      i.putExtra("Success", false);
    
    startActivity(i);
    finish();
  }
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_beam);
    
    myNFC = NfcAdapter.getDefaultAdapter(this);
    if(myNFC == null) {
      Toast.makeText(this, "You have no NFC, please try with another device that has NFC!", Toast.LENGTH_SHORT).show();
    }    
    
    myNFC.setNdefPushMessageCallback(this, this);
    myNFC.setOnNdefPushCompleteCallback(this, this);
    
    ticketID = getIntent().getIntExtra("ID", -1);
  }

  @Override
  public void onNdefPushComplete(NfcEvent event) {
    mHandler.obtainMessage(MESSAGE_SENT).sendToTarget();
  }

  @Override
  public NdefMessage createNdefMessage(NfcEvent event) {
    String test = "ID:"+ticketID;
    
    NdefMessage msg = new NdefMessage(new NdefRecord[] {
      NdefRecord.createMime("application/bus.ticketer.message", test.getBytes())
    });
    return msg;
  }

}

Java Source Code List