Android 布局文件夹可以包含子文件夹吗? [英] Can the Android layout folder contain subfolders?

问题描述

现在我把所有的xml布局文件都存放在'res/layout'文件夹中，所以管理小项目是可行且简单的，但是当遇到大而重的项目时，应该有布局文件夹中所需的层次结构和子文件夹.

例如

布局-- layout_personal--personal_detail.xml--personal_other.xml--layout_address-- 地址1.xml-- address2.xml

同样的，我们也想为大型应用程序创建子文件夹，那么在Android项目中有没有办法做到这一点?

我可以在 layout 文件夹中创建 layout-personal 和 layout_address 子文件夹，但是当需要使用 R.layout._______ 访问 XML 布局文件时，当时没有任何 XML 布局弹出 -在菜单里面.

解决方案

你可以用 gradle 做到这一点.我制作了一个.

Right now, I'm storing every XML layout file inside the 'res/layout' folder, so it is feasible and simple to manage small projects, but when there is a case of large and heavy projects, then there should be a hierarchy and sub-folders needed inside the layout folder.

for e.g.

layout
-- layout_personal
   -- personal_detail.xml
   -- personal_other.xml
--layout_address
  -- address1.xml
  -- address2.xml

Like the same way, we would like to have sub-folders for the large application, so is there any way to do so inside the Android project?

I am able to create layout-personal and layout_address sub-folders inside the layout folder, but when the time comes to access the XML layout file using R.layout._______ , at that time there is no any XML layout pop-up inside the menu.

解决方案

You CAN do this with gradle. I've made a demo project showing how.

The trick is to use gradle's ability to merge multiple resource folders, and set the res folder as well as the nested subfolders in the sourceSets block.

The quirk is that you can't declare a container resource folder before you declare that folder's child resource folders.

Below is the sourceSets block from the build.gradle file from the demo. Notice that the subfolders are declared first.

sourceSets {
    main {
        res.srcDirs =
        [
                'src/main/res/layouts/layouts_category2',
                'src/main/res/layouts',
                'src/main/res'
        ]
    }
}

Also, the direct parent of your actual resource files (pngs, xml layouts, etc..) does still need to correspond with the specification.

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