How to run service not on main thread?

Question

I\'m trying to launch service and then open socket to have connection with server.

On button click I create new Thread and then st

Answer 1

Move this code to your thread:

try {
    InetAddress serverAddr = InetAddress.getByName(SERVER_IP);
    socket = new Socket(serverAddr, SERVERPORT);
    Scanner scanner = new Scanner(socket.getInputStream());
    message = scanner.nextLine();
} catch (IOException e) {
    e.printStackTrace();
}

Just as an example (I'm not sure it this fits to your task):

Thread t = new Thread(){
        public void run(){
            try {
                InetAddress serverAddr = InetAddress.getByName(SERVER_IP);
                socket = new Socket(serverAddr, SERVERPORT);
                Scanner scanner = new Scanner(socket.getInputStream());
                message = scanner.nextLine();
            } catch (IOException e) {
                e.printStackTrace();
            }

            mIntent= new Intent(MainActivity.this, ConnectonService.class);
            mIntent.putExtra("KEY1", "Value used by the service");
            context.startService(mIntent);
        }
    };
t.start();

You should know that a service is running on the UI thread, so you got this error. Check this nice site for more information about various threading approaches in Android.