Custom attributes in styles.xml

user_559850 0
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I have created a custom widget, and I'm declaring it in layout.xml. I have also added some custom attributes in attr.xml. However, when trying to declare these attributes in a style in styles.xml, it's giving me No resource found that matches the given name: attr 'custom:attribute'.

I have put the xmlns:custom="http://schemas.android.com/apk/res/com.my.package" in all of the tags in styles.xml, including <?xml>, <resources>, and <style>, but it still gives me the same error, that it can't find my custom XML namespace.

I can, however, use my namespace to manually assign attributes to the view in my layout.xml, so there is nothing wrong with the namespace. My issue lies in making styles.xml aware of my attr.xml.

android-styles android-xml android-layout android
6 Answers

  • Define some attributes

<declare-styleable name="refreshPullRefreshLayout">
        <attr name="refreshColors" format="reference"/>
        <attr name="refreshColor" format="reference"/>
</declare-styleable>

  • Use it in layout file like

<com.aolphn.PullRefreshLayout
     app:refreshColor="@color/main_green"
     app:refreshColors="@array/refresh_color"/>

  • Finally use it in style file

    The difference between style file and layout file is we do not add prefiex app:
<style name="refreshStyle">
    <item name="refreshColor">@color/main_green</item>
    <item name="refreshColors">@array/refresh_color</item>
</style>

Try it ,have a nice day,this works for me.

user_60033940
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