I have a small problem in integrating a meterial design (http://www.getmdl.io/) in ng2 Can you please help me I will put it in points what I have done
I was facing the same problem (as I'm using the same template as you).
Just try componentHandler.upgradeAllRegistered() it will work fine in your case.
componentHandler.upgradeAllRegistered()
A different issue occurs when you try to break the header into small components.