public class AMapUtil {
    /**
     * 判断edittext是否null
     */
    public static String checkEditText(EditText editText) {
        if (editText != null && editText.getText() != null
                && !(editText.getText().toString().trim().equals(""))) {
            return editText.getText().toString().trim();
        } else {
            return "";
        }
    }

    public static Spanned stringToSpan(String src) {
        return src == null ? null : Html.fromHtml(src.replace("\n", "<br />"));
    }

    public static String colorFont(String src, String color) {
        StringBuffer strBuf = new StringBuffer();

        strBuf.append("<font color=").append(color).append(">").append(src)
                .append("</font>");
        return strBuf.toString();
    }

    public static String makeHtmlNewLine() {
        return "<br />";
    }

    public static String makeHtmlSpace(int number) {
        final String space = " ";
        StringBuilder result = new StringBuilder();
        for (int i = 0; i < number; i++) {
            result.append(space);
        }
        return result.toString();
    }

    public static String getFriendlyLength(int lenMeter) {
        if (lenMeter > 10000) // 10 km
        {
            int dis = lenMeter / 1000;
            return dis + "";
        }

        if (lenMeter > 1000) {
            float dis = (float) lenMeter / 1000;
            DecimalFormat fnum = new DecimalFormat("##0.0");
            String dstr = fnum.format(dis);
            return dstr;
        }

        if (lenMeter > 100) {
            int dis = lenMeter / 50 * 50;
            return dis + "";
        }

        int dis = lenMeter / 10 * 10;
        if (dis == 0) {
            dis = 10;
        }

        return dis + "";
    }

    public static boolean IsEmptyOrNullString(String s) {
        return (s == null) || (s.trim().length() == 0);
    }

    /**
     * 把LatLng对象转化为LatLonPoint对象
     */
    public static LatLonPoint convertToLatLonPoint(LatLng latlon) {
        return new LatLonPoint(latlon.latitude, latlon.longitude);
    }

    /**
     * 把LatLonPoint对象转化为LatLon对象
     */
    public static LatLng conver