App Telnetverbindung initialisieren

import java.io.BufferedInputStream;
import java.io.IOException;
import java.net.URL;

import android.os.AsyncTask;
import android.widget.Toast;

public class LoginRemoteDB extends AsyncTask<String,String,String>{

	protected static final String servername = "10.0.2.2/android";
	
	@Override
	protected String doInBackground(String... params) {
		try {
			System.out.println("bla");
			URL fileUrl = new URL(getLoginRequest(params));
			fileUrl.openConnection().setConnectTimeout(30000);
			BufferedInputStream in = new BufferedInputStream(fileUrl.openStream());
            
            
			byte[] data = new byte[1024];
			int x;
			String response = "";

			while ((x = in.read(data, 0, 1024)) >= 0) {
				response = response + new String(data).substring(0, x);
			}

			in.close();
			return response;
		} catch (IOException ex) {
			return "";
		}

	}
	
	protected void onPostExecute(String result){
		System.out.println(result);

		if (result.equals("")){
			Toast.makeText(Storage.getContext(), "Login into Server failed", 3000).show();
			Storage.setLogin(result);

		} else {
			if (result.equals("true")){
				Toast.makeText(Storage.getContext(), "Login success", 3000).show();
				Storage.setLogin(result);

			} else {
				System.out.println("test");
				Toast.makeText(Storage.getContext(), "Login into Server failed", 3000).show();
				Storage.setLogin(result);
			}
		}
	}
	
	private String getLoginRequest(String...strings ){		
		String s ="http://" + servername + "/login.php?mail=" + strings[0] + "&pwhash=" + strings[1] ;
				
		return s;
	}

}