No resource identifier found for attribute 'showAsAction' in package 'android'

Question

as the title suggest, I\'m getting that error in at least 3 of the XML layout files, however, I dont see the attritube \"showsAsAction\" in any of those XML files, did I miss so

Answer 1

I had this problem when I forgot to add appcompat-v7:+ to my project dependencies. You can do it like this in build.gradle:

dependencies {
  compile 'com.android.support:appcompat-v7:+'
}

And this is because I had the following in my menu.xml:

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

and

app:showAsAction="never"

When I removed the xmlns:app namespace and just used android:showAsAction="never", I didn't need the appcompat-v7 library anymore.