Because you don't have resources for xxhdpi
for Action Mode. Use Android Action Bar Styles Generator, generate resources for your Action Bar
in the action mode
and apply it. It will fix your problem.
سؤال
I have a light gray background for the contextual action bar. But on a Nexus 5 I have also a darker overlay and I don't know why :-(
I think the images for the background are okay.
المحلول
Because you don't have resources for xxhdpi
for Action Mode. Use Android Action Bar Styles Generator, generate resources for your Action Bar
in the action mode
and apply it. It will fix your problem.