public class RegularUtil {     public static boolean checkName(Activity context, String name) {        if (TextUtils.isEmpty(name) || name.length() < 3 || name.length() > 16 || !nameFormat(name)) {            AppMsg.makeText(context, "昵称不符合规范，3-16个中英文字符、数字", AppMsg.STYLE_ALERT).show();            return false;        }        return true;    }     public static boolean checkHeight(Activity context, int height) {        if (height < 100 || height > 250) {            AppMsg.makeText(context, "身高超出正常范围", AppMsg.STYLE_ALERT).show();            return false;        }        return true;    }     public static boolean checkWeight(Activity context, int weight) {        if (weight < 40 || weight > 250) {            AppMsg.makeText(context, "体重超出正常范围", AppMsg.STYLE_ALERT).show();            return false;        }        return true;    }     public static boolean checkStepSize(Activity context, int stepSize) {        if (stepSize < 30 || stepSize > 150) {            AppMsg.makeText(context, "步长超出正常范围", AppMsg.STYLE_ALERT).show();            return false;        }        return true;    }     public static boolean checkEmail(Activity context, String email) {        if (!emailFormat(email) || email.length() > 31) {            AppMsg.makeText(context, "邮箱格式不正确", AppMsg.STYLE_ALERT).show();            return false;        }        return true;    }     public static boolean checkPassword(Activity context, String password) {        if (!passwordFormat(password)) {            AppMsg.makeText(context, "密码格式是6-15位英文字符、数字", AppMsg.STYLE_ALERT).show();            return false;        }        return true;    }     public static boolean checkPassword(Activity context, String password, String confirm) {        if (!checkPassword(context, password)) {            return false;        }        if (!password.equals(confirm)) {            AppMsg.makeText(context, "登录密码设置不一致");            return false;        }        return true;    }     public static boolean checkCode(Activity context, String code) {        if (code.length() != 4) {            AppMsg.makeText(context, "请输入正确的四位验证码", AppMsg.STYLE_ALERT).show();            return false;        }        return true;    }     public static boolean check(Activity context, String email, String password) {        if (!emailFormat(email) || email.length() > 31) {            AppMsg.makeText(context, "邮箱格式不正确", AppMsg.STYLE_ALERT).show();            return false;        }        if (!checkPassword(context, password)) {            return false;        }        return true;    }     private static boolean emailFormat(String email) {        Pattern pattern = Pattern.compile("^[A-Za-z\\d]+(\\.[A-Za-z\\d]+)*@([\\dA-Za-z](-[\\dA-Za-z])?)+(\\.{1,2}[A-Za-z]+)+$");        Matcher mc = pattern.matcher(email);        return mc.matches();    }     /**     * 以字母开头，长度在3~16之间，只能包含字符、数字和下划线（w）     *     * @param password     * @return     */    private static boolean passwordFormat(String password) {        Pattern pattern = Pattern.compile("^[\\@A-Za-z0-9\\!\\#\\$\\%\\^\\&\\*\\.\\~]{6,15}$");        Matcher mc = pattern.matcher(password);        return mc.matches();    }     public static boolean nameFormat(String name) {        Pattern pattern = Pattern.compile("^[\u4e00-\u9fa5A-Za-z0-9_]{3,16}$");        Matcher mc = pattern.matcher(name);        return mc.matches();    }     /**     * 获取含双字节字符的字符串字节长度     *     * @param s     * @return     */    public static int getStringLength(String s) {        char[] chars = s.toCharArray();        int count = 0;        for (char c : chars) {            count += getSpecialCharLength(c);        }        return count;    }     /**     * 获取字符长度：汉、日、韩文字符长度为2，ASCII码等字符长度为1     *     * @param c     *            字符     * @return 字符长度     */    private static int getSpecialCharLength(char c) {        if (isLetter(c)) {            return 1;        } else {            return 2;        }    }     /**     * 判断一个字符是Ascill字符还是其它字符（如汉，日，韩文字符）     *     * @param char c, 需要判断的字符     * @return boolean, 返回true,Ascill字符     */    private static boolean isLetter(char c) {        int k = 0x80;        return c / k == 0 ? true : false;    }}