Android Open Source - Android-NFC-WiFi-Controller Connected Activity

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License

The source code is released under:
MIT License
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Java Source Code

package sanchezsobrino.multimedia.anwc;
//from  w w w.j a  va2s.  c om
import java.io.DataOutputStream;
import android.os.PowerManager;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentFilter.MalformedMimeTypeException;
import android.nfc.NdefMessage;
import android.nfc.NdefRecord;
import android.nfc.NfcAdapter;
import android.nfc.tech.NfcF;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.Toast;

public class ConnectedActivity extends Activity {
  private Socket socket;
  private Thread clientThread;
  private NfcAdapter mNfcAdapter;
  private IntentFilter[] intentFiltersArray;
  private String[][] techListsArray;
  private PendingIntent pendingIntent;

  private Button startButton;
  private Button stopButton;
  private Button btnAr, btnIz;
  private Button btnAb, btnDe;
  
  protected PowerManager.WakeLock wakelock;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_connected);

    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    
    if (getIntent().getExtras().getString("socket") != null) {
      String[] socket_str = getIntent().getExtras().getString("socket").split(":");
      Toast.makeText(this, socket_str[0] + ":" + socket_str[1], Toast.LENGTH_SHORT).show();
      clientThread = new ClientThread(socket_str[0], Integer.parseInt(socket_str[1]));
      clientThread.start();
    }

    mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
    if (mNfcAdapter == null) {
      Toast.makeText(this, "NFC no est? disponible en este dispositivo", Toast.LENGTH_SHORT).show();
    }

    pendingIntent = PendingIntent.getActivity(this, 0, new Intent(this, getClass()).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP), 0);
    
    if (mNfcAdapter != null){
      IntentFilter ndef = new IntentFilter(NfcAdapter.ACTION_NDEF_DISCOVERED);
    
      try {
        ndef.addDataType("application/sanchezsobrino.multimedia.anwc.tag");
      } catch (MalformedMimeTypeException e) {
        throw new RuntimeException("fail", e);
      }
      intentFiltersArray = new IntentFilter[] { ndef, };
      techListsArray = new String[][] { new String[] { NfcF.class.getName() } };
    }

    startButton = (Button) findViewById(R.id.startButton);
    stopButton = (Button) findViewById(R.id.stopButton);
    btnAr = (Button) findViewById(R.id.btnAr);
    btnIz = (Button) findViewById(R.id.btnIz);
    btnAb = (Button) findViewById(R.id.btnAb);
    btnDe = (Button) findViewById(R.id.btnDe);

    startButton.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        try {
          PrintWriter out = new PrintWriter(new DataOutputStream(socket.getOutputStream()), true);
          out.println(CodeEvent.fromCodeEvent(CodeEvent.START_PRESENTATION));
        } catch (IOException e) {
          e.printStackTrace();
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    });

    stopButton.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        try {
          PrintWriter out = new PrintWriter(new DataOutputStream(socket.getOutputStream()), true);
          out.println(CodeEvent.fromCodeEvent(CodeEvent.STOP_PRESENTATION));
        } catch (IOException e) {
          e.printStackTrace();
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    });

    btnAr.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        try {
          PrintWriter out = new PrintWriter(new DataOutputStream(socket.getOutputStream()), true);
          out.println(CodeEvent.fromCodeEvent(CodeEvent.ARRIBA));
        } catch (IOException e) {
          e.printStackTrace();
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    });

    btnAb.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        try {
          PrintWriter out = new PrintWriter(new DataOutputStream(socket.getOutputStream()), true);
          out.println(CodeEvent.fromCodeEvent(CodeEvent.ABAJO));
        } catch (IOException e) {
          e.printStackTrace();
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    });
    
    btnIz.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        try {
          PrintWriter out = new PrintWriter(new DataOutputStream(socket.getOutputStream()), true);
          out.println(CodeEvent.fromCodeEvent(CodeEvent.IZQUIERDA));
        } catch (IOException e) {
          e.printStackTrace();
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    });
    
    btnDe.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        try {
          PrintWriter out = new PrintWriter(new DataOutputStream(socket.getOutputStream()), true);
          out.println(CodeEvent.fromCodeEvent(CodeEvent.DERECHA));
        } catch (IOException e) {
          e.printStackTrace();
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    });
  }

  protected void onDestroy(){
    super.onDestroy();
    
    }
  
  public void onPause() {
    super.onPause();
    if (mNfcAdapter != null) mNfcAdapter.disableForegroundDispatch(this);
  }

  public void onResume() {
    super.onResume();
    if (mNfcAdapter != null)  mNfcAdapter.enableForegroundDispatch(this, pendingIntent, intentFiltersArray, techListsArray);
  }
  
  @Override
  public void onBackPressed() {
    super.onBackPressed();
    try {
      socket.close();
    } catch (IOException e) {
      e.printStackTrace();
    }
    finish();
  }

  public void onNewIntent(Intent intent) {
    List<NdefMessage> intentMessages = NfcUtils.getMessagesFromIntent(intent);
    List<String> payloadStrings = new ArrayList<String>(intentMessages.size());

    for (NdefMessage message : intentMessages) {
      for (NdefRecord record : message.getRecords()) {
        byte[] payload = record.getPayload();
        String payloadString = new String(payload);

        if (!TextUtils.isEmpty(payloadString))
          payloadStrings.add(payloadString);
      }
    }

    for (String ps : payloadStrings) {
      try {
        PrintWriter out = new PrintWriter(new DataOutputStream(socket.getOutputStream()), true);
        out.println(Integer.parseInt(ps));
      } catch (IOException e) {
        e.printStackTrace();
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }

  class ClientThread extends Thread {
    private String ip;
    private int port;

    public ClientThread(String ip, int port) {
      this.ip = ip;
      this.port = port;
    }

    @Override
    public void run() {
      try {
        socket = new Socket(ip, port);
      } catch (UnknownHostException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
  }
}
Java Source Code List
