i have below code and cant check if condition ... how can i solve it ?

```
@Override
    protected void onPostExecute(Void result) {
        if (null != pDialog && pDialog.isShowing()); {
            pDialog.dismiss();
        }

        if (null == arrayList || arrayList.size() == 0) {
            showToast("No data found from web!!!");
            MainActivity.this.finish();
        } else {
            Collections.sort(arrayList);
            setAdapterToListview(arrayList);
        }

        super.onPostExecute(result);
    }

```