【Android】按钮设置字母不全部大写，button set text to lower case; android button settext lowercase programmably

一般情况下设置button的setText会使被设置的英文字符串全都变为大写，应该在button的xml属性中添加如下属性，才能得到想要的自定义的大小写效果：

android:textAllCaps="false"

或者在程序中设置：

mButton.setTransformationMethod(null);

我在apache.lang工具包中看到capitalize的源码，改良了一下，写了下面这个仅首字母大写的函数：

    /**     * capitalize only the first char, the other chars in the string will be converted to lower case     *      * 
     * TextU.capitalizeOnlyFirstChar(null)  = null     * TextU.capitalizeOnlyFirstChar("")    = ""     * TextU.capitalizeOnlyFirstChar("cat") = "Cat"     * TextU.capitalizeOnlyFirstChar("cAtCh ME") = "Catch me"     * 
     *      *      * Created by KyleCe on 2015/12/23.     *     * @author KyleCe     * KyleCe@github     */    public static String capitalizeOnlyFirstChar(String str) {        int strLen;        if (str == null || (strLen = str.length()) == 0) {            return str;        }        return new StringBuilder(strLen)                .append(Character.toTitleCase(str.charAt(0)))                .append(str.substring(1).toLowerCase())                .toString();    }

have fun

转载署源-By-KyleCe:http://blog.csdn.net/KyleCeshen/article/details/50428143

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