<intent-filter>
            <action android:name="android.nfc.action.TAG_DISCOVERED"/>
            <category android:name="android.intent.category.DEFAULT"/>
    </intent-filter>

Tag myTag = (Tag) nfcintent.getParcelableExtra(NfcAdapter.EXTRA_TAG);

 // get NDEF tag details
 Ndef ndefTag = Ndef.get(myTag);
 ...
 NdefMessage ndefMesg = ndefTag.getCachedNdefMessage();

"Tag myTag = (Tag) nfcintent.getParcelableExtra(NfcAdapter.EXTRA_TAG);"

public class TabsActivity extends TabActivity {

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    TabHost tabHost = getTabHost();

    // Tab for Graph
    TabSpec graphspec = tabHost.newTabSpec("Graph");
    // setting Title and Icon for the Tab
    graphspec.setIndicator("Graph");
    Intent graphIntent = new Intent(this, GraphActivity.class);
    graphspec.setContent(graphIntent);

    // Tab for Intro
    TabSpec introspec = tabHost.newTabSpec("Intro");
    introspec.setIndicator("Intro");
    Intent introIntent = new Intent(this, IntroActivity.class);
    introspec.setContent(introIntent);


    // Adding all TabSpec to TabHost
    tabHost.addTab(introspec); // Adding intro tab
    tabHost.addTab(graphspec); // Adding graph tab

}

Intent nfcintent = getIntent();

Parcelable[] rawMsgs = intent
            .getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
    NdefMessage msg = (NdefMessage) rawMsgs[0];
    extractMessage(msg);

private void extractMessage(NdefMessage msg) {
        byte[] array = null;
        array = msg.getRecords()[0].getPayload();
}