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

    final EditText etUserName = (EditText) findViewById(R.id.etUserName);
    final EditText etPassword = (EditText) findViewById(R.id.etPassword);
    final Button bLogin = (Button) findViewById(R.id.bLogin);
    final TextView registerLink = (TextView) findViewById(R.id.tvRegisterHere);

    registerLink.setOnClickListener(new View.OnClickListener()
    {
        @Override
        public void OnCLick(View V)
        {
            Intent registerIntent =new Intent(LoginActivity.this,RegisterActivity.class);
            RegisterActivity.this.startActivity(registerIntent);

        }
    }
}};