Ok mates, after spending 2-3 hours on that I finally found a solution.
If you are using TabLayout there is no way to add margins to the tabs by using styles and so on. (as @Connecting life with Android earlier)
But, you can do that by writing some Java code. All in all your code should look similar to that one:
for(int i=0; i < mTabLayout.getTabCount(); i++) {
View tab = ((ViewGroup) mTabLayout.getChildAt(0)).getChildAt(i);
ViewGroup.MarginLayoutParams p = (ViewGroup.MarginLayoutParams) tab.getLayoutParams();
p.setMargins(0, 0, 50, 0);
tab.requestLayout();
}
In order to get each and every tab as a View we have to first get the container which contains them. In this case the TabLayout is using a SlidingTabStrip as a container for the tabs. The SlidingTabStrip is the first child of the TabLayout:
View tab = ((ViewGroup) mTabLayout.getChildAt(0))
And after this small detail, everything is pretty straight forward.
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