Google has shown some nice ways that elevation effect are shown on Lollipop here.
android:elevation="2dp"
for buttons,
android:stateListAnimator="@anim/button_state_list_animator"
How can I mimic the elevation effect on pre-Lollipop versions without 3rd party library?
You can mimic the elevation on pre-Lollipop with a official method.
I achieve same effect using,
android:background="@android:drawable/dialog_holo_light_frame"
My tested output:
reference - https://stackoverflow.com/a/25683148/3879847
Thanks to user @Repo..
Update : If you want change color of this drawable try @Irfan answer below ↓