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
ANDROID STUDIO
if you are using ANDROID STUDIO...... use this fix
add
xmlns:compat="http://schemas.android.com/tools"
in menu tag instead of
xmlns:compat="http://schemas.android.com/apk/res-auto "
in menu tag.