private static String addZeros(final int value, final int len) {
        return StringUtils.leftPad(Integer.toString(value), len, '0');
    }
Provides a dialog to enter coordinates in different formats.
Usage:
1. open the coordinate selection dialog: call CoordinatesInputDialog.show(getSupportFragmentManager(), null, null);
2. in your activity implement CoordinatesInputDialog.CoordinateUpdate, closing the dialog calls public void updateCoordinates(@NonNull final Geopoint gp)
main/src/main/java/cgeo/geocaching/ui/dialog/CoordinatesInputDialog.java