How to change statusbar text color to dark on android 4.4

Because I haven't enough votes, so post picture at here, thank you.

 

Almost 2 weeks ago, I was searching How to change the text color of the statusbar to dark color on android 4.4

The default text color is white, like this 

I'd like to change the topmost text color to dark, How can I do?

 

At the meaning time, I find a app had realized, see below

I'm so sorry for My poor English, thank you!