username already exists using sqlite in Android

Question

I want to show in Signup Part of My app.In signup if user enter duplicate name then "username already exists " error msg should be shown.anyone help me.....??

Help : You should create a web service & write business logic for webservice integration in Android Application. — Arjun, Nov 03 '15 at 05:54
Tell us what have you tried so far and what error do you get ... — Varun Verma, Nov 03 '15 at 05:55
Possible duplicate of [How do I check in SQLite whether a table exists?](http://stackoverflow.com/questions/1601151/how-do-i-check-in-sqlite-whether-a-table-exists) — Iamat8, Nov 03 '15 at 06:01

score 0 · Answer 1 · answered Nov 03 '15 at 06:02

0

Try this,

Toast.makeText(MainActivity.this, "Username already exists.", Toast.LENGTH_SHORT).show();

answered Nov 03 '15 at 06:02

Parth Bhayani

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score 0 · Answer 2 · answered Nov 04 '15 at 07:21

//If username Already Exists
            if (userName.equals(storedUsername)) {
                Toast.makeText(getApplicationContext(),
                        "Username Already Exists!!!", Toast.LENGTH_LONG)
                        .show();
                return;
            }

username already exists using sqlite in Android

2 Answers2