Questions:
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_.]
How to&Answers:
Try removing the capital letter. res\layout\contactus.xml
Answer：
You need to use lowercase letters. You have ‘C’ you must rename it to contact_us.xml.
Answer：
Make C to c. Use lower case letters and no symbols
Answer：
using lower case letters and clean the package
Answer：
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.
Answer：
try naming xml layout with small letters. worked for me
Contact_us.xml change this to contact_us.xml
Tags: androidandroid, file, layout, xml
