Old validating method

old_validation.java

//Empty edittext checking
if (txtbox1.getText().toString().isEmpty()) {
     txtbox1.setError("This data is Required!");
     return false;
} else {
     txtbox1.setError(null);
}

//Equal/Pattern edittext checking
if (!txtBoxDefault.isTextEqualToPattern())
  return;

//RadioGroup Checking
if (mnc2.getCheckedRadioButtonId() == -1) {
     mnc2a.setError(getString(R.string.txterr));
     Toast.makeText(getApplicationContext(), "ERROR(empty): " + getString(R.string.mnc2), Toast.LENGTH_LONG).show();
     Log.i(TAG, "mnc2: This Data is Required!");
     mnc2a.requestFocus();
     return false;
} else {
     mnc2a.setError(null);
}

//MultiCheckbox Checking
if (!mnf1a.isChecked() &&
                !mnf1b.isChecked() &&
                !mnf1c.isChecked() &&
                !mnf1d.isChecked() &&
                !mnf1e.isChecked() &&
                !mnf1f.isChecked() &&
                !mnf1g.isChecked() &&
                !mnf1h.isChecked() &&
                !mnf188.isChecked()) {
            mnf1a.setError(getString(R.string.txterr));
            Toast.makeText(getApplicationContext(), "ERROR(empty): " + getString(R.string.mnf1), Toast.LENGTH_LONG).show();
            Log.i(TAG, "mnf1a: This Data is Required!");
            mnf1a.requestFocus();
            return false;
        } else {
            mnf1a.setError(null);
        }

//other checkbox checking
if (mnf188.isChecked()) {
     if (mnf1x.getText().toString().isEmpty() || mnf1x.getText().toString() == null) {
           mnf1x.setError(getString(R.string.txterr));
           Toast.makeText(getApplicationContext(), "ERROR(empty): " + getString(R.string.others), Toast.LENGTH_LONG).show();
           Log.i(TAG, "mnf1x: This Data is Required!");
           mnf1x.requestFocus();
           return false;
       } else {
           mnf1x.setError(null);
       }
}