1 
2 package com.example.android.wifidirect.discovery;
3 
4 /*
5  * Copyright (C) 2011 The Android Open Source Project
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  *      http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19 
20 import android.app.Activity;
21 import android.content.BroadcastReceiver;
22 import android.content.Context;
23 import android.content.Intent;
24 import android.net.NetworkInfo;
25 import android.net.wifi.p2p.WifiP2pDevice;
26 import android.net.wifi.p2p.WifiP2pManager;
27 import android.net.wifi.p2p.WifiP2pManager.Channel;
28 import android.net.wifi.p2p.WifiP2pManager.ConnectionInfoListener;
29 import android.util.Log;
30 
31 /**
32  * A BroadcastReceiver that notifies of important wifi p2p events.
33  */
34 public class WiFiDirectBroadcastReceiver extends BroadcastReceiver {
35 
36     private WifiP2pManager manager;
37     private Channel channel;
38     private Activity activity;
39 
40     /**
41      * @param manager WifiP2pManager system service
42      * @param channel Wifi p2p channel
43      * @param activity activity associated with the receiver
44      */
WiFiDirectBroadcastReceiver(WifiP2pManager manager, Channel channel, Activity activity)45     public WiFiDirectBroadcastReceiver(WifiP2pManager manager, Channel channel,
46             Activity activity) {
47         super();
48         this.manager = manager;
49         this.channel = channel;
50         this.activity = activity;
51     }
52 
53     /*
54      * (non-Javadoc)
55      * @see android.content.BroadcastReceiver#onReceive(android.content.Context,
56      * android.content.Intent)
57      */
58     @Override
onReceive(Context context, Intent intent)59     public void onReceive(Context context, Intent intent) {
60         String action = intent.getAction();
61         Log.d(WiFiServiceDiscoveryActivity.TAG, action);
62         if (WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION.equals(action)) {
63 
64             if (manager == null) {
65                 return;
66             }
67 
68             NetworkInfo networkInfo = (NetworkInfo) intent
69                     .getParcelableExtra(WifiP2pManager.EXTRA_NETWORK_INFO);
70 
71             if (networkInfo.isConnected()) {
72 
73                 // we are connected with the other device, request connection
74                 // info to find group owner IP
75                 Log.d(WiFiServiceDiscoveryActivity.TAG,
76                         "Connected to p2p network. Requesting network details");
77                 manager.requestConnectionInfo(channel,
78                         (ConnectionInfoListener) activity);
79             } else {
80                 // It's a disconnect
81             }
82         } else if (WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION
83                 .equals(action)) {
84 
85             WifiP2pDevice device = (WifiP2pDevice) intent
86                     .getParcelableExtra(WifiP2pManager.EXTRA_WIFI_P2P_DEVICE);
87             Log.d(WiFiServiceDiscoveryActivity.TAG, "Device status -" + device.status);
88 
89         }
90     }
91 }
92