public void importGPX() {
        final Intent intent = fromActivity.getIntent();
        final Uri uri = intent.getData();
        final String mimeType = intent.getType();
        importGPX(uri, mimeType, null);
    }
Import GPX provided via intent of activity that instantiated this
GPXImporter.
main/src/main/java/cgeo/geocaching/files/GPXImporter.java