Strings.xml文件中的空格转义符

在strings.xml中输入很多空格，则只会保留一个，如果需要多个空格用于对齐等操作时，需要使用其转义字符：" "
类似的转义字符还有很多，列表如下（后面是英文说明）：

<!ENTITY nbsp   CDATA "&#160;" -- no-break space -->
<!ENTITY iexcl  CDATA "&#161;" -- inverted exclamation mark -->
<!ENTITY cent   CDATA "&#162;" -- cent sign -->
<!ENTITY pound  CDATA "&#163;" -- pound sterling sign -->
<!ENTITY curren CDATA "&#164;" -- general currency sign -->
<!ENTITY yen    CDATA "&#165;" -- yen sign -->
<!ENTITY brvbar CDATA "&#166;" -- broken (vertical) bar -->
<!ENTITY sect   CDATA "&#167;" -- section sign -->
<!ENTITY uml    CDATA "&#168;" -- umlaut (dieresis) -->
<!ENTITY copy   CDATA "&#169;" -- copyright sign -->
<!ENTITY ordf   CDATA "&#170;" -- ordinal indicator, feminine -->
<!ENTITY laquo  CDATA "&#171;" -- angle quotation mark, left -->
<!ENTITY not    CDATA "&#172;" -- not sign -->
<!ENTITY shy    CDATA "&#173;" -- soft hyphen -->
<!ENTITY reg    CDATA "&#174;" -- registered sign -->
<!ENTITY macr   CDATA "&#175;" -- macron -->
<!ENTITY deg    CDATA "&#176;" -- degree sign -->
<!ENTITY plusmn CDATA "&#177;" -- plus-or-minus sign -->
<!ENTITY sup2   CDATA "&#178;" -- superscript two -->
<!ENTITY sup3   CDATA "&#179;" -- superscript three -->
<!ENTITY acute  CDATA "&#180;" -- acute accent -->
<!ENTITY micro  CDATA "&#181;" -- micro sign -->
<!ENTITY para   CDATA "&#182;" -- pilcrow (paragraph sign) -->
<!ENTITY middot CDATA "&#183;" -- middle dot -->
<!ENTITY cedil  CDATA "&#184;" -- cedilla -->
<!ENTITY sup1   CDATA "&#185;" -- superscript one -->
<!ENTITY ordm   CDATA "&#186;" -- ordinal indicator, masculine -->
<!ENTITY raquo  CDATA "&#187;" -- angle quotation mark, right -->
<!ENTITY frac14 CDATA "&#188;" -- fraction one-quarter -->
<!ENTITY frac12 CDATA "&#189;" -- fraction one-half -->
<!ENTITY frac34 CDATA "&#190;" -- fraction three-quarters -->
<!ENTITY iquest CDATA "&#191;" -- inverted question mark -->
<!ENTITY Agrave CDATA "&#192;" -- capital A, grave accent -->
<!ENTITY Aacute CDATA "&#193;" -- capital A, acute accent -->
<!ENTITY Acirc  CDATA "&#194;" -- capital A, circumflex accent -->
<!ENTITY Atilde CDATA "&#195;" -- capital A, tilde -->
<!ENTITY Auml   CDATA "&#196;" -- capital A, dieresis or umlaut mark -->
<!ENTITY Aring  CDATA "&#197;" -- capital A, ring -->
<!ENTITY AElig  CDATA "&#198;" -- capital AE diphthong (ligature) -->
<!ENTITY Ccedil CDATA "&#199;" -- capital C, cedilla -->
<!ENTITY Egrave CDATA "&#200;" -- capital E, grave accent -->
<!ENTITY Eacute CDATA "&#201;" -- capital E, acute accent -->
<!ENTITY Ecirc  CDATA "&#202;" -- capital E, circumflex accent -->
<!ENTITY Euml   CDATA "&#203;" -- capital E, dieresis or umlaut mark -->
<!ENTITY Igrave CDATA "&#204;" -- capital I, grave accent -->
<!ENTITY Iacute CDATA "&#205;" -- capital I, acute accent -->
<!ENTITY Icirc  CDATA "&#206;" -- capital I, circumflex accent -->
<!ENTITY Iuml   CDATA "&#207;" -- capital I, dieresis or umlaut mark -->
<!ENTITY ETH    CDATA "&#208;" -- capital Eth, Icelandic -->
<!ENTITY Ntilde CDATA "&#209;" -- capital N, tilde -->
<!ENTITY Ograve CDATA "&#210;" -- capital O, grave accent -->
<!ENTITY Oacute CDATA "&#211;" -- capital O, acute accent -->
<!ENTITY Ocirc  CDATA "&#212;" -- capital O, circumflex accent -->
<!ENTITY Otilde CDATA "&#213;" -- capital O, tilde -->
<!ENTITY Ouml   CDATA "&#214;" -- capital O, dieresis or umlaut mark -->
<!ENTITY times  CDATA "&#215;" -- multiply sign -->
<!ENTITY Oslash CDATA "&#216;" -- capital O, slash -->
<!ENTITY Ugrave CDATA "&#217;" -- capital U, grave accent -->
<!ENTITY Uacute CDATA "&#218;" -- capital U, acute accent -->
<!ENTITY Ucirc  CDATA "&#219;" -- capital U, circumflex accent -->
<!ENTITY Uuml   CDATA "&#220;" -- capital U, dieresis or umlaut mark -->
<!ENTITY Yacute CDATA "&#221;" -- capital Y, acute accent -->
<!ENTITY THORN  CDATA "&#222;" -- capital THORN, Icelandic -->
<!ENTITY szlig  CDATA "&#223;" -- small sharp s, German (sz ligature) -->
<!ENTITY agrave CDATA "&#224;" -- small a, grave accent -->
<!ENTITY aacute CDATA "&#225;" -- small a, acute accent -->
<!ENTITY acirc  CDATA "&#226;" -- small a, circumflex accent -->
<!ENTITY atilde CDATA "&#227;" -- small a, tilde -->
<!ENTITY auml   CDATA "&#228;" -- small a, dieresis or umlaut mark -->
<!ENTITY aring  CDATA "&#229;" -- small a, ring -->
<!ENTITY aelig  CDATA "&#230;" -- small ae diphthong (ligature) -->
<!ENTITY ccedil CDATA "&#231;" -- small c, cedilla -->
<!ENTITY egrave CDATA "&#232;" -- small e, grave accent -->
<!ENTITY eacute CDATA "&#233;" -- small e, acute accent -->
<!ENTITY ecirc  CDATA "&#234;" -- small e, circumflex accent -->
<!ENTITY euml   CDATA "&#235;" -- small e, dieresis or umlaut mark -->
<!ENTITY igrave CDATA "&#236;" -- small i, grave accent -->
<!ENTITY iacute CDATA "&#237;" -- small i, acute accent -->
<!ENTITY icirc  CDATA "&#238;" -- small i, circumflex accent -->
<!ENTITY iuml   CDATA "&#239;" -- small i, dieresis or umlaut mark -->
<!ENTITY eth    CDATA "&#240;" -- small eth, Icelandic -->
<!ENTITY ntilde CDATA "&#241;" -- small n, tilde -->
<!ENTITY ograve CDATA "&#242;" -- small o, grave accent -->
<!ENTITY oacute CDATA "&#243;" -- small o, acute accent -->
<!ENTITY ocirc  CDATA "&#244;" -- small o, circumflex accent -->
<!ENTITY otilde CDATA "&#245;" -- small o, tilde -->
<!ENTITY ouml   CDATA "&#246;" -- small o, dieresis or umlaut mark -->
<!ENTITY divide CDATA "&#247;" -- divide sign -->
<!ENTITY oslash CDATA "&#248;" -- small o, slash -->
<!ENTITY ugrave CDATA "&#249;" -- small u, grave accent -->
<!ENTITY uacute CDATA "&#250;" -- small u, acute accent -->
<!ENTITY ucirc  CDATA "&#251;" -- small u, circumflex accent -->
<!ENTITY uuml   CDATA "&#252;" -- small u, dieresis or umlaut mark -->
<!ENTITY yacute CDATA "&#253;" -- small y, acute accent -->
<!ENTITY thorn  CDATA "&#254;" -- small thorn, Icelandic -->
<!ENTITY yuml   CDATA "&#255;" -- small y, dieresis or umlaut mark -->