@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.login); // connect to server when the app run try { // connect to server mSocket = new Socket(SERVERIP, SERVERPORT); // open input & output stream mBufferedReader = new BufferedReader(new InputStreamReader(mSocket.getInputStream())); mPrintWriter = new PrintWriter(mSocket.getOutputStream(), true); } catch (Exception e) { // TODO: handle exception Log.v(DEBUG_TAG, e.toString()); } idText = (EditText) findViewById(R.id.idText); pwdText = (EditText) findViewById(R.id.pwdText); dataaccess = new DataAccess(this); Cursor cur = dataaccess.getDefault(); if (cur.moveToNext()) { cur.moveToFirst(); while (!cur.isAfterLast()) { idText.setText(cur.getString(0)); pwdText.setText(cur.getString(1)); cur.moveToNext(); } } dataaccess.close(); loginButton = (Button) findViewById(R.id.loginButton); loginButton.setOnClickListener(new LoginButtonListener()); signUpButton = (Button) findViewById(R.id.signUpButton); signUpButton.setOnClickListener(new SignUpButtonListener()); introButton = (Button) findViewById(R.id.introButton); introButton.setOnClickListener(new IntroButtonListener()); }