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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