res\layout\Contact_us.xml: Invalid file name: must contain only [a-z0-9_.]

Question

public class main extends Activity {

    EditText username,password1;
    Button sub;
    String uname,pass;

    @Override
    public void onCreate(Bundle savedIns         


        

Answer 1

try naming xml layout with small letters. worked for me Contact_us.xml change this to contact_us.xml