2017-08-12 1 views

Antwort

0

Änderung der Bedingung

if(c.getCount()>0) { 
Toast.makeText(this,"Username already exists,please use a different username",Toast.LENGTH_SHORT).show(); 
} 
0
Cursor c=db.rawQuery("Select orders from table_name where usrname=yourusername",null); 
if(c.getcount>0) 
{ 
    Toast.makeText(this,"Username already exists,please use a different username",Toast.LENGTH_SHORT).show(); 
} 
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