我正在开发一款使用Wi-Fi Direct的Android多人游戏。使用Wi-Fi直连,我能够在对等设备之间建立连接。同时,代码也能够将客户端设备的数据发送到服务器设备。(根据Android文档,Wi-Fi Direct使用客户端-服务器模型)
问题:
我无法使用Wi-Fi Direct从服务器设备向客户端设备共享数据。
我有以下问题:
1. 是否有其他方法可以在通过Wi-Fi Direct连接的两个Android设备之间传输双向数据?
2. 在我的在线研究中,我了解到要从服务器设备向客户端设备发送数据,服务器需要知道客户端的IP地址。如何使用客户端的IP地址将数据从服务器设备发送到客户端设备?(我能够获取客户端的IP地址)
对这些问题有任何建议将不胜感激。谢谢您提前的帮助。
代码: 服务器端
问题:
我无法使用Wi-Fi Direct从服务器设备向客户端设备共享数据。
我有以下问题:
1. 是否有其他方法可以在通过Wi-Fi Direct连接的两个Android设备之间传输双向数据?
2. 在我的在线研究中,我了解到要从服务器设备向客户端设备发送数据,服务器需要知道客户端的IP地址。如何使用客户端的IP地址将数据从服务器设备发送到客户端设备?(我能够获取客户端的IP地址)
对这些问题有任何建议将不胜感激。谢谢您提前的帮助。
代码: 服务器端
public class DataTransferAsyncTask extends AsyncTask<Void,Void,String>{
ServerSocket serverSocket;
Socket client;
InputStream inputstream;
Context context = mActivity.getApplicationContext();
String s;
InetAddress client_add;
@Override
protected String doInBackground(Void... voids) {
try{
serverSocket = new ServerSocket(9999);
Log.e("hello", "Server: Socket opened");
client = serverSocket.accept();
Log.e("hello", "Server: connection done");
inputstream = client.getInputStream();
// OutputStream outputStream = serverSocket.getO
//getting data from client
byte[] address = new byte[12];
if(client.isConnected())
inputstream.read(address);
s = new String(address);
String only_add = new String();
only_add = s.substring(0,12);
client_add = InetAddress.getByName(only_add);
Log.e("hello", "Server: clients ip 1 " + only_add);
Log.e("hello", "Server: converted address 1 " + client_add + " \n is connected"+
client.isConnected());
//send data to client
OutputStream stream = client.getOutputStream();
stream.write(s.getBytes());
Log.e("hello","context value "+context);
// cancel(true);
}catch (IOException e){
}
return null;
}
}
客户端:
@override
protected void onHandleIntent(Intent intent) {
Log.e("hello","client socket");
Toast.makeText(this,"client socket",Toast.LENGTH_LONG).show();
Context context = getApplicationContext();
if(intent.getAction().equals(action_send_data)){
String host = intent.getStringExtra(group_owner_address);
Socket socket = new Socket();
int port = intent.getIntExtra(group_owner_port,9999);
//binding connection
try{
String x="hello";
Log.e("hello","opening client socket");
byte[] address = getLocalAddress();
String ipAdd = getDottedDecimalIP(address);
socket.bind(null);
socket.connect(new InetSocketAddress(host,port),socket_timeout);
Log.e("hello","device socket address "+ socket.getInetAddress() );
Log.e("hello","client socket is connected"+socket.isConnected());
Log.e("hello","device address :"+ipAdd + " byte "+ address);
//sending data to server
OutputStream stream = socket.getOutputStream();
stream.write(ipAdd.getBytes());
//getting data from the server(supposed to)
InputStream inputstream = socket.getInputStream();
byte[] address_to_sto_fr_ser = new byte[15] ;
inputstream.read(address_to_sto_fr_ser);
String s = new String(address_to_sto_fr_ser);
Log.e("msg from server","msg from server "+s);
// stream.close();
// is.close();
}catch (IOException e){
}
}
}