public <V extends ViewGroup> void setTypeface(V viewGroup, @StringRes int strResId) {
		setTypeface(viewGroup, mApplication.getString(strResId));
	}
public < V extends ViewGroup > void setTypeface ( V viewGroup , @ StringRes int strResId ) { setTypeface ( viewGroup , mApplication . getString ( strResId ) ) ; }
Set the typeface to the all text views belong to the view group.
Note that this method recursively trace the child view groups and set typeface for the text views.
@param viewGroup the view group that contains text views.
@param strResId string resource containing typeface name.
@param <V> view group parameter.