http://blog.sina.com.cn/s/blog_72fad6270100x7k2.html

styles.xml放在res/values文件夾中

具體放在哪里，這要深入了解android中關于資源引用的部分

?

一般情況下（除values文件夾），res文件夾下的子文件夾都對應R.java中的一個內部類，類名就是該子文件夾的名字；

子文件夾下的資源項都對應內部類的一個int型的Field.

一、下面給出res下的文件結構圖：

二、下面給出R.java，對應res文件結構，觀察它的類名和類中的成員

/*?AUTO-GENERATED?FILE.??DO?NOT?MODIFY.
?*
?*?This?class?was?automatically?generated?by?the
?*?aapt?tool?from?the?resource?data?it?found.??It
?*?should?not?be?modified?by?hand.
?*/

package?com.lucus.librarysixth;

public?final?class?R?{
????public?static?final?class?attr?{
????}
????public?static?final?class?drawable?{
????????public?static?final?int?bg=0x7f020000;
????????public?static?final?int?bg2=0x7f020001;
????????public?static?final?int?ic_launcher=0x7f020002;
????}
????public?static?final?class?id?{
????????public?static?final?int?authorTV=0x7f070007;
????????public?static?final?int?cancleBtn=0x7f070011;
????????public?static?final?int?conRemindBtn=0x7f070001;
????????public?static?final?int?dayTV=0x7f07000d;
????????public?static?final?int?delRemindBtn=0x7f070002;
????????public?static?final?int?displayLV=0x7f070005;
????????public?static?final?int?label=0x7f07000e;
????????public?static?final?int?monthTV=0x7f07000c;
????????public?static?final?int?okBtn=0x7f070010;
????????public?static?final?int?pagesTV=0x7f07000a;
????????public?static?final?int?priceTV=0x7f070009;
????????public?static?final?int?publisherTV=0x7f070008;
????????public?static?final?int?returnBooksLV=0x7f070000;
????????public?static?final?int?searchBtn=0x7f070004;
????????public?static?final?int?setPropertyBtn=0x7f070006;
????????public?static?final?int?spinner1=0x7f07000f;
????????public?static?final?int?titleTV=0x7f070003;
????????public?static?final?int?yearTV=0x7f07000b;
????}
????public?static?final?class?layout?{
????????public?static?final?int?alarm=0x7f030000;
????????public?static?final?int?alarm_vlist=0x7f030001;
????????public?static?final?int?main=0x7f030002;
????????public?static?final?int?main_title=0x7f030003;
????????public?static?final?int?main_vlist=0x7f030004;
????????public?static?final?int?property_set=0x7f030005;
????????public?static?final?int?single_set=0x7f030006;
????}
????public?static?final?class?raw?{
????????public?static?final?int?music=0x7f040000;
????}
????public?static?final?class?string?{
????????public?static?final?int?app_name=0x7f050001;
????????public?static?final?int?hello=0x7f050000;
????}
????public?static?final?class?style?{
????????public?static?final?int?CustomWindowTitleBackground=0x7f060000;
????????public?static?final?int?test=0x7f060001;
????}
}

三、總結

1、id類是在xml中定義的控件id

2、在java代碼中使用資源

R.[R.java文件中的內部類]/[內部類中的int類型的Field]

如：R.string.app_name

?

3、在xml中使用資源

@<資源對應的內部類類名>/<資源項的名稱>

如：@string/app_name

轉載于:https://www.cnblogs.com/helloweworld/archive/2012/09/08/2676595.html

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