Android中验证输入是否为汉字、手机号及邮箱

Code// 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;  
    }  

Code// 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();  
    }