Android 内存泄漏优化总结

1，验证是否为汉字

 

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// 验证昵称     private boolean verifyNickname() {         String nickname = edt_username.getText().toString();         if (nickname == null || nickname.length() == 0) {             edt_username.setError("不能为空");             return false;         }         int len = 0;         char[] nickchar = nickname.toCharArray();         for (int i = 0; i < nickchar.length; i++) {             if (isChinese(nickchar[i])) {                 len += 2;             } else {                 len += 1;             }         }         if (len < 4 || len > 15) {             edt_username.setError("正确的昵称应该为\n1、4-15个字符\n2、2-7个汉字\n3、不能是邮箱和手机号");             return false;         }         return true;     }       private boolean isChinese(char c) {         Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);         if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS                 || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS                 || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A                 || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION                 || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION                 || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {             return true;         }         return false;     }

2，验证手机号，邮箱

 

 

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// 判断是否为手机号     private boolean isPhone(String inputText) {         Pattern p = Pattern                 .compile("^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$");         Matcher m = p.matcher(inputText);         return m.matches();     }       // 判断格式是否为email     public boolean isEmail(String email) {         String str = "^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";         Pattern p = Pattern.compile(str);         Matcher m = p.matcher(email);         return m.matches();     }

 

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