Код: Выделить всё
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.Socket;
import java.net.UnknownHostException;
public class LoginActivity extends AppCompatActivity {
Button buttonEnter;
TextView textViewHeader;
EditText editTextLogin;
Socket client = null;
DataOutputStream dataToServerStream = null;
DataInputStream dataFromServerStream = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
buttonEnter = (Button) findViewById(R.id.buttonEnter);
textViewHeader = (TextView) findViewById(R.id.textViewHeader);
editTextLogin = (EditText) findViewById(R.id.editTextLogin);
//asyntask
class ConnectToServer extends AsyncTask<Void, Void, Void>{
@Override
protected Void doInBackground(Void... voids) {
//подключение к серверу
try {
client = new Socket("193.106.169.249", 1605);
dataToServerStream = new DataOutputStream(client.getOutputStream());
dataFromServerStream = new DataInputStream(client.getInputStream());
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
System.out.println("Got an IOException: " + e.getMessage());
}
return null;
}
}
ConnectToServer Connect = new ConnectToServer();
Connect.execute();
class GetDataFromServer extends AsyncTask<Void, Void, Void>{
@Override
protected Void doInBackground(Void... voids) {
//чтение данных с сервера
while (true) {
try {
String r = "";
byte[] readBuffer = new byte[5 * 1024];
int read = 0;
read = dataFromServerStream.read(readBuffer);
if (read != -1) {
byte[] readData = new byte[read];
System.arraycopy(readBuffer, 0, readData, 0, read);
try {
r = new String(readData, "UTF-8");
} catch (UnsupportedEncodingException e) {
}
}
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}
}
GetDataFromServer GetData = new GetDataFromServer();
GetData.execute();
//обработчик нажатий
View.OnClickListener OnClickListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
switch (view.getId()){
case R.id.buttonEnter:
try {
//отправка данных на сервер
String sendText = editTextLogin.getText().toString();
byte[] buf = sendText.getBytes("UTF-8");
dataToServerStream.write(buf, 0, buf.length);
} catch (IOException e) {
e.printStackTrace();
}
break;
}
}
};
buttonEnter.setOnClickListener(OnClickListener);
}
}