No resource found that matches the given name: attr

xml文件中

Cannot find declaration to go to

看的我是一脸懵逼,明明有这个图片,我还特意去build文件中又确认了一次

后来,我终于明白我有多傻

在style文件中

    <style name="BlueGreyTheme" parent="CustomTransparent">
        <item name="colorPrimary">@color/colorBlueGreyPrimary</item>
        <item name="colorPrimaryDark">@color/colorBlueGreyPrimaryDark</item>
        <item name="colorAccent">@color/colorBlueGreyPrimaryDark</item>
        <item name="colorPrimaryLight">@color/colorBlueGreyPrimary</item>
        <item name="md_title_color">@color/white</item>
        <item name="menuBackground">@drawable/blue_grey_background</item>
        <item name="background">@drawable/bg_blue</item>
        <item name="mine_background">@drawable/my_bg_colorful</item>
        <item name="card_background">@drawable/card_bg_def</item>
    </style>

card_background明显就是自己定义的东西,于是我去assrt.xml看了一下

果然,我才不会承认是我自己注释掉的..