android验证各种判断

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;   }  }