问题
I want to use a toolbar instead of an actionBar since i can't use the split actionbar option, so i implemented two toolbars one in the top and the other in the bottom but im having a problem : that some of the items are in the overflow menu leaving a huge empty space this is how my toolbar looks like :

and what i need is somthing like this :

回答1:
Add this line in your xml layout:
android:showAsAction="always"
so that your items never appear in the overflow menu.
来源:https://stackoverflow.com/questions/30920580/android-toolbar-without-overflow-menu