mText2 = (EditText) findViewById(R.id.txt2);
mText3 = (EditText) findViewById(R.id.txt3);
mText4 = (EditText) findViewById(R.id.txt4);
mText2 = (EditText) findViewById(R.id.txt2);
mText3 = (EditText) findViewById(R.id.txt3);
mText4 = (EditText) findViewById(R.id.txt4);