string.xml,代码中

整数
<string name="num"><xliff:g>%1$d</xliff:g>苹果</string>                                              
String content = getString(R.string.num,20);


百分比
<string name="num">百分比 : <xliff:g>^1</xliff:g>%</string>                             
CharSequence status = getText(R.string.num);
String content = TextUtils.expandTemplate(status,Integer.toString(80)).toString();

字符串
<string name="num">字符串 ：<xliff:g>%1$s</xliff:g></string>                  
用法：String content = getString(R.string.num,"11111111");