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Xml naming difference between res-auto and com.package.name - android

I have seen custom xml with:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:custom="http://schemas.android.com/apk/res-auto"

and

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:custom="http://schemas.android.com/apk/com.package.custom"

What is the difference between these two guys?

  • Is the latter just an indication of the default location like your package?
  • Are the first paragraphs a link to a link?

thank.

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1 answer


If we add a new custom view and its attributes to our project, you add this to the beginning of your layout:

xmlns:custom="http://schemas.android.com/apk/res/your_main_app_package

If the new custom view is inside the library project associated with your project, you add the following:

xmlns:custom="http://schemas.android.com/apk/res-auto


Note. This issue has been fixed in version 17+ of ADT. For any service or action, declare the namespace as follows:

xmlns:custom="http://schemas.android.com/apk/res-auto"

The suffix res-auto

will be replaced at build time by the actual project package, so make sure you customize your attribute names to avoid conflicts if at all possible.

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