sqlite nullpointer exception

Question

String sel="SELECT "+stdb.sid+"," +stdb.amt+", "+stdb.details+" FROM "+stdb.tname;
        Cursor c=dobj.rawQuery(sel, null);
        while(c.moveToNext()){
            int id=c.getInt(c.getColumnIndex(stdb.sid));
            int amt=c.getInt(c.getColumnIndex(stdb.amt));
            String printdetail=c.getString(c.getColumnIndex(stdb.details));
            TextView tv1=(TextView)findViewById(R.id.textView1);

        Log.e("gg",""+amt ); //the value of amt comes in logcat
        tv1.setText(""+amt);//this gives nullpointer exception

here i am trying to get a value from an edittext i am able to see the value in the logcat but when i try to print the same with a settext(TextView) i get a NULLPOINTEREXCEPTION

@JesusFreke sir i am getting the value i entered in the edittext in the logcat — dreamer1989
– dreamer1989, Commented Aug 7, 2012 at 20:28
Right, so when you try to dereference tv1, you get the NullPointerException. The value of amt isn't the problem. — Argyle
– Argyle, Commented Aug 7, 2012 at 20:29

anargund · Accepted Answer · 2012-08-07 20:30:12Z

1

Try this

if(tv1!=NULL)
    tv1.setText(""+amt);
else
    Log.e("WHOA, this is NULL!!!");

And see if it prints the else log. If it does, that means your tv1 view is not getting initialized correctly. If not, will see what we can do.

answered Aug 7, 2012 at 20:30

anargund

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