Android Open Source - expo-connect Connect Service

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From Project

Back to project page expo-connect.

License

The source code is released under:

GNU General Public License

Java Source Code

package it.polimi.camparollo.expoconnectserver.wifi;
//from   w  w w.j  ava  2s.  c o  m
import java.net.InetAddress;
import java.util.ArrayList;

import it.polimi.camparollo.expoconnectserver.wifi.WiFiDirectBroadcastReceiver;
import it.polimi.camparollo.expoconnectserver.CommandReceiver;
import it.polimi.camparollo.expoconnectserver.InfoActionListener;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.WpsInfo;
import android.net.wifi.p2p.WifiP2pConfig;
import android.net.wifi.p2p.WifiP2pManager;
import android.net.wifi.p2p.WifiP2pManager.Channel;
import android.net.wifi.p2p.WifiP2pManager.ChannelListener;
import android.os.IBinder;
import android.util.Log;
import android.widget.Toast;

public class ConnectService extends Service implements ChannelListener {

  public static final String TAG = "ExpoConnectServer";
  public static final String COMMAND_ACTION = "it.polimi.camparollo.expoconnectserver.SCREEN_COMMAND_ACTION";
  
  private WifiP2pManager manager;
  private Channel channel;
  private ArrayList<InetAddress> peersAddr = new ArrayList<InetAddress>();
  
  private final IntentFilter wifiIntentFilter = new IntentFilter();
  private final IntentFilter commandIntentFilter = new IntentFilter();
  private BroadcastReceiver wifiReceiver = null;
  private BroadcastReceiver commandReceiver = null;
  
  private boolean isWifiP2pEnabled = false;
    private boolean retryChannel = false;
    private boolean isDeviceConnected = false;
    
    public void setWifiP2pEnabled(boolean isWifiP2pEnabled) {
      this.isWifiP2pEnabled = isWifiP2pEnabled;
    }
    
    public void setRetryChannel(boolean retryChannel) {
      this.retryChannel = retryChannel;
    }
    
    public boolean isDeviceConnected() {
    return isDeviceConnected;
  }
    
  public void setIsDeviceConnected(boolean isDeviceConnected) {
    this.isDeviceConnected = isDeviceConnected;
  }
  
  @Override
  public IBinder onBind(Intent arg0) {
    return null;
  }  
  
  @Override
  public void onCreate() {
    super.onCreate();
    
    wifiIntentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION);
    wifiIntentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION);
    wifiIntentFilter.addAction(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION);
    wifiIntentFilter.addAction(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION);
      
      manager = ((WifiP2pManager)getSystemService(Context.WIFI_P2P_SERVICE));
      channel = manager.initialize(this, getMainLooper(), null);
      
      wifiReceiver = new WiFiDirectBroadcastReceiver(manager, channel, this);
      registerReceiver(wifiReceiver, wifiIntentFilter);
      
      commandIntentFilter.addAction(COMMAND_ACTION);
      commandReceiver =  new CommandReceiver(this);
      registerReceiver(commandReceiver, commandIntentFilter);
  }
  
  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    Toast.makeText(this, "Service started", Toast.LENGTH_SHORT).show();
    return super.onStartCommand(intent, flags, startId);
  }
  
  public void stop(){
    stopSelf();
  }

  @Override
  public void onDestroy() {
    super.onDestroy();
    unregisterReceiver(commandReceiver);
    unregisterReceiver(wifiReceiver);
    Toast.makeText(this, "Service killed", Toast.LENGTH_SHORT).show();
  }
  
  public void connect(String deviceAddress) {
      WifiP2pConfig config = new WifiP2pConfig();
      config.deviceAddress = deviceAddress;
      config.wps.setup = WpsInfo.PBC;
      manager.connect(channel, config, new InfoActionListener("Connecting", "Connection Error", this));
    }
  
  public void addPeerAddress(InetAddress groupOwnerAddress) {
    peersAddr.add(groupOwnerAddress);
  }
  
  public void sendSessionId(String id){
    for (InetAddress addr : peersAddr) {
      Log.d(ConnectService.TAG, "Sending data to " + addr.toString());
      ArrayList<String> params = new ArrayList<String>();
      params.add(addr.toString());
      params.add(id);
      new ScreenDataSender(this).sendData(params);
    }
  }

    public void onChannelDisconnected() {
      if (manager != null && !retryChannel) {
        Toast.makeText(this, "Channel lost. Trying again", Toast.LENGTH_LONG).show();
        setRetryChannel(true);
        manager.initialize(this, getMainLooper(), this);
      } else {
        Toast.makeText(this, "Channel lost premanently. Try Disable/Re-Enable P2P.", Toast.LENGTH_LONG).show();
      }
    }

}

Java Source Code List

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