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 savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        sub = (Button) findViewById(R.id.btn_submit);
        sub.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

                username = (EditText) findViewById(R.id.uname);
                password1 = (EditText) findViewById(R.id.editText2);
                uname = (String) username.getText().toString();
                pass = (String) password1.getText().toString();

                if (uname.equalsIgnoreCase("uname"))
                    if (pass.equalsIgnoreCase("pass"))
                        Toast.makeText(main.this, "user is authenticated", Toast.LENGTH_LONG).show();
                    else
                        Toast.makeText(main.this, "Password Invalid", Toast.LENGTH_LONG).show();
                else
                    Toast.makeText(main.this, "User or Password Invalid", Toast.LENGTH_LONG).show();
            }
        });
    }
}

code showing the following error..

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

Where in your code are you referencing Contact_us.xml? – IgorGanapolsky Jan 16 '14 at 15:06 — IgorGanapolsky, Jan 16 '14 at 15:06

score 76 · Accepted Answer · edited Sep 27 '12 at 11:37

76

Try removing the capital letter. res\layout\contactus.xml

edited Sep 27 '12 at 11:37

Jainendra

24,713
30
122
169

answered Jul 24 '11 at 18:25

Iker

2,018
2
29
52

25

Yes, but _why_ does Android impose this restriction? – aroth Aug 01 '13 at 04:36

score 11 · Answer 2 · answered Jul 24 '11 at 18:25

11

You need to use lowercase letters. You have 'C' you must rename it to contact_us.xml.

answered Jul 24 '11 at 18:25

Ovidiu Latcu

71,607
15
76
84

score 9 · Answer 3 · answered Jul 24 '11 at 18:24

9

Make C to c. Use lower case letters and no symbols

answered Jul 24 '11 at 18:24

Nikola Despotoski

49,966
15
119
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score 4 · Answer 4 · answered Jun 03 '13 at 10:12

4

using lower case letters and clean the package

answered Jun 03 '13 at 10:12

kranti

93
2
9

score 2 · Answer 5 · answered Aug 23 '13 at 09:44

it should be contactus.xml, You should follow below listed naming convention:

File name must contain only lowercase a-z, 0-9, or _.

only a-z,mind that not capital...and white-space not allowed

name must start with a character.not with a Number(0-9)

name only _ symbol allowed.no other symbol alowed.

score 0 · Answer 6 · answered Mar 06 '17 at 19:01

0

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

answered Mar 06 '17 at 19:01

Mudasar

159
1
7

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

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