How change theme color programmatically: style, attributes android?

Question

I used google but didn't find an accurate solution, for changing themes programmatically.
I want to change everything programmatically: styles, colors, attributes etc., without using style.xml, theme.xml or any other xml file.
I have searched, but styles are defined in an xml file like that Using Themes in Android Applications

Answer 1

I know this is an old question, but if someone's still looking for a solution, checkout the GreenMatter library for the Material theme, or for the Holo theme holoaccent.