WiFiDirectBroadcastReceiver

package com.xu.consent;

import android.content.BroadcastReceiver;

import android.content.Context;
import android.content.Intent;
import android.net.NetworkInfo;
import android.net.wifi.p2p.WifiP2pDevice;
import android.net.wifi.p2p.WifiP2pManager;
import android.net.wifi.p2p.WifiP2pManager.Channel;
import android.net.wifi.p2p.WifiP2pManager.PeerListListener;
import android.util.Log;
/**
 * Main hub for connecting info
 * Has not only client info but also Host capability
 */

public class WifiDirectBroadcastReceiver extends BroadcastReceiver {

    private WifiP2pManager manager;
    private Channel channel;
    private WIFIDirectActivity activity;

    //Constructor called by WIFIDirectActivity, passing self reference, manager, and channel too
    public WifiDirectBroadcastReceiver(WifiP2pManager manager, Channel channel, WIFIDirectActivity activity){
        super();
        this.manager = manager;
        this.channel = channel;
        this.activity=activity;
    }

    //Intent which is broadcasted by DirectActivity, tells us what to do
    @Override
    public void onReceive(Context context, Intent intent){
        String action = intent.getAction();

        if(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION.equals(action)){

            //Update UI to show WifiP2p status
            int state = intent.getIntExtra(WifiP2pManager.EXTRA_WIFI_STATE,-1);

            if(state == WifiP2pManager.WIFI_P2P_STATE_ENABLED){
                //Wifi Direct Enabled
                //we keep the WifiP2pEnabled boolean within the activity,
                //So it wont change, and can be followed
                activity.setIsWifiP2pEnabled(true);
            }else{
                activity.setIsWifiP2pEnabled(false);
                activity.resetData();
            }
            Log.d(WIFIDirectActivity.TAG,"P2P state changed" +state);

        }else if (WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION.equals(action)){

            /*Request actual peers from P2p manager.
            Asynchronous call, so its independent from calling activity
            Callback result notified on WifiP2pManager.PeerListListener.onPeersAvailable()
             */

            if(manager != null) {
                //We are typeCaasting because ListFragment implements PeerListListener,
                //so it fulfills argument requirement.
                //The host where you display peers should have the PeerListListener, unless
                //You're passing them over one by one

                manager.requestPeers(channel, (PeerListListener) activity.getFragmentManager()
                        .findFragmentById(R.id.frag_list));
            }
            Log.d(WIFIDirectActivity.TAG,"P2P peers changed");

            //Final intent condition, check if we have an actual CONNECTION ATTEMPT
        }else if(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION.equals(action)){
            if(manager != null){
                return;
            }

            //Fetch networkinfo just to  check if connected
            NetworkInfo networkInfo = (NetworkInfo)intent.getParcelableExtra(WifiP2pManager.EXTRA_NETWORK_INFO);

            if(networkInfo.isConnected()){
                //Connection established, request connection info to find GROUP OWNER IP

                DeviceDetailFragment fragment = (DeviceDetailFragment)activity
                        .getFragmentManager().findFragmentById(R.id.frag_detail);

                /*Now request Connection Info like group ownership etc. PASSED TO
                 DEVICEDETAILFRAGMENT ONCONNECTIONAVAILABLE!!!!!
                 requstConnectionInfo takes arguments Channel and ConnectionInfoListener,
                 which in this case is an instance of our DeviceDetailFragment
                 */

                Intent startConsentActivity = new Intent(context, ConsentActivity.class);

                context.startActivity(startConsentActivity);
                //Now that we're connected, requestConnectionINfo to get group owner IP
                manager.requestConnectionInfo(channel,fragment);


                //WifiDirectActivity.logconnect()? May be unecessary as we w ould be doing it twice
            }else{
                activity.resetData();
            }
        }else if(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION.equals(action)){
            DeviceListFragment fragment = (DeviceListFragment) activity.getFragmentManager()
                    .findFragmentById(R.id.frag_list);
            fragment.updateThisDevice((WifiP2pDevice) intent.getParcelableExtra(WifiP2pManager.EXTRA_WIFI_P2P_DEVICE));
        }
    }
}