From 311669fa6eaad4a806e355d4c502116bc053f8cd Mon Sep 17 00:00:00 2001
From: Michele Ficarra <miche.ficarra@gmail.com>
Date: Wed, 27 Nov 2013 19:18:43 +0100
Subject: [PATCH] Added sending of nfc data to the service

---
 .../gdgfirenze/android/MainActivity.java      | 50 +++++++++++++++++--
 1 file changed, 47 insertions(+), 3 deletions(-)

diff --git a/src/com/google/developers/gdgfirenze/android/MainActivity.java b/src/com/google/developers/gdgfirenze/android/MainActivity.java
index 936a2d3..b98d5d8 100644
--- a/src/com/google/developers/gdgfirenze/android/MainActivity.java
+++ b/src/com/google/developers/gdgfirenze/android/MainActivity.java
@@ -1,11 +1,22 @@
 package com.google.developers.gdgfirenze.android;
 
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.json.JSONObject;
+
 import android.app.ActionBar;
 import android.app.Activity;
 import android.app.Fragment;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.nfc.NfcAdapter;
+import android.nfc.Tag;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.provider.Settings.Secure;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -19,6 +30,9 @@ public class MainActivity extends Activity implements
 		ActionBar.OnNavigationListener {
 
 	private static final String STATE_SELECTED_NAVIGATION_ITEM = "selected_navigation_item";
+	private static final DateFormat dateFormat = new SimpleDateFormat(
+			"yyyy-MM-dd HH:mm:ss.SSS");
+	private static final String TAG = MainActivity.class.getSimpleName();
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
@@ -48,9 +62,7 @@ protected void onCreate(Bundle savedInstanceState) {
 	public void onResume() {
 		super.onResume();
 		if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(getIntent().getAction())) {
-			Toast toast = Toast.makeText(this, "NFC Tag Read",
-					Toast.LENGTH_SHORT);
-			toast.show();
+			handleNfcTagDiscovert();
 		}
 	}
 
@@ -164,5 +176,37 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
 			return rootView;
 		}
 	}
+	
+	private void handleNfcTagDiscovert() {
+		try {
+			Tag tag = getIntent().getParcelableExtra(NfcAdapter.EXTRA_TAG);
+			SharedPreferences p = PreferenceManager
+					.getDefaultSharedPreferences(this);
+			StringBuilder id = new StringBuilder();
+			byte[] data = tag.getId();
+			for (int i = 0; i < data.length; i++) {
+				id.append(String.format("%02x", data[i]));
+				if (i < data.length - 1) {
+					id.append(":");
+				}
+			}
+			JSONObject jsonSamplePacket = new JSONObject();
+			JSONObject obj = new JSONObject();
+			jsonSamplePacket.put("sample", obj);
+			obj.put("device_id", p.getString("device_id",
+					Secure.getString(getContentResolver(), Secure.ANDROID_ID)));
+			obj.put("time", dateFormat.format(new Date()));
+			obj.put("nfc", id);
+			Intent intent = new Intent(this, DataSenderService.class);
+			intent.putExtra(DataSenderService.INTENT_EXTRA,
+					jsonSamplePacket.toString());
+			startService(intent);
+			Toast toast = Toast.makeText(this, "NFC Tag " + id,
+					Toast.LENGTH_SHORT);
+			toast.show();
+		} catch (Exception e) {
+			Log.e(TAG, "Error Writing tag...", e);
+		}
+	}
 
 }