No resource identifier found for attribute in package com app

Question

I ve imported a project from Eclipse to Android studio  It utilizes a custom view  xmlns app  quot http   schemas android com apk res-auto quot   I get errors in the lines below from activity ro xml file like    quot Error  136  No resource identifier found for attribute  pstsTabPaddingLeftRight  in package  com app xxxx  quot   app pstsDividerColor  quot  00000000 quot  app pstsIndicatorColor  quot  FF33B5E6 quot  app pstsTabPaddingLeftRight  quot 14dip quot  app pstsUnderlineColor  quot  FF33B5E6 quot    gt   I m not sure if custom views are different for gradle or maybe I m doing something wrong  Anyone have an idea

User · Answer

This also happened to me when a PercentageRelativeLayout https   developer android com reference android support percent PercentRelativeLayout html was used and the build was targeting Android 0   26  PercentageRelativeLayout layout is obsolete starting from Android O and obviously sometime was changed in the resource generation  Replacing the layout with a ConstraintLayout or just a RelativeLayout solved it

User · Answer

I just changed   xmlns app  http   schemas android com apk res-auto     to   xmlns app  http   schemas android com apk lib com app chasebank    and it stopped generating the errors  com app chasebank is the name of the package  It should work according to this  Stack Overflow   No resource identifier found for attribute  adSize  in package  com google example  main xml

User · Answer

I was facing the same problem and solved it using the below steps   Add this in your app s build gradle  android       defaultConfig           vectorDrawables useSupportLibrary   true           Use namespace    xmlns app  http   schemas android com apk res-auto   Then use   app srcCompat   drawable your vector drawable here

User · Answer

You can also use  lib-auto   xmlns app  http   schemas android com apk lib-auto

User · Answer

I solved is by using android background instead of app srcCompact   This is caused by xmlns app  http   schemas android com apk res-auto   As people have suggested above  you could use  lib-auto or  lib your-package  but I got suspicious namespace error when I tried using  lib-auto and unexpected namespace prefix error with  lib my-package

User · Answer

I ve been searching answer but couldn t find but finally I could fix this by adding play-service-ads dependency let s try this      File -  Project Structure    -  Under the module you can find app and there is a option called dependencies and you can add com google android gms play-services-ads x x x dependency to your project    I faced this problem when I try to import eclipse project into android studio   Click here to see screenshot

User · Answer

this helps for me   on your build gradle   implementation  com android support design 28 0 0

[android] No resource identifier found for attribute '...' in package 'com.app....'

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