NFC

MainActivity.java

package com.esperia09.android.testnfc;

import android.app.Activity;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentFilter.MalformedMimeTypeException;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.nfc.tech.Ndef;
import android.nfc.tech.NfcF;
import android.os.Bundle;
import android.view.Menu;
import android.widget.Toast;

public class MainActivity extends Activity {

	private NfcAdapter mNfcAdapter;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		mNfcAdapter = NfcAdapter.getDefaultAdapter(getApplicationContext());
	}

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

		Intent intent = new Intent(this, getClass())
				.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
		PendingIntent pendingIntent = PendingIntent.getActivity(
				getApplicationContext(), 0, intent, 0);

		// フックするインテントフィルタを設定
		IntentFilter ndefFilter = new IntentFilter(
				NfcAdapter.ACTION_NDEF_DISCOVERED);
		try {
			ndefFilter.addDataType("*/*");
		} catch (MalformedMimeTypeException e) {
			throw new RuntimeException("failure", e);
		}
		IntentFilter techFilter = new IntentFilter(
				NfcAdapter.ACTION_TECH_DISCOVERED);
		IntentFilter[] filters = new IntentFilter[] { ndefFilter, techFilter };

		// NfcF(FeliCa)とNdefに反応するようにした
		String[][] techLists = new String[][] {
				new String[] { NfcF.class.getName() },
				new String[] { Ndef.class.getName() } };

		mNfcAdapter.enableForegroundDispatch(this, pendingIntent, null,
				techLists);
	}

	@Override
	protected void onPause() {
		super.onPause();
		mNfcAdapter.disableForegroundDispatch(this);
	}

	@Override
	protected void onNewIntent(Intent intent) {
		Tag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
		if (tag != null) {
			Toast.makeText(getApplicationContext(), tag.toString(),
					Toast.LENGTH_SHORT).show();
			// 読み取ったデータをごにょごにょする！
		}
		Toast.makeText(getApplicationContext(), intent.toString(),
				Toast.LENGTH_LONG).show();
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		getMenuInflater().inflate(R.menu.activity_main, menu);
		return true;
	}
}