//handle download url in webview
        wvVehicalOverview.setDownloadListener(new DownloadListener() {
            @Override
            public void onDownloadStart(String s, String s1, String s2, String s3, long l) {

                Intent i = new Intent(Intent.ACTION_VIEW);
                i.setData(Uri.parse(s));
                startActivity(i);

            }

            BroadcastReceiver onComplete = new BroadcastReceiver() {
                @Override
                public void onReceive(Context context, Intent intent) {
                    Toast.makeText(getApplicationContext(), "Downloading Complete", Toast.LENGTH_SHORT).show();
                }
            };
        });