Add a Button in Status Bar Android : I'm developing an android application where I want to add a Phone Button in Status Bar. Can I add a Phone button in Status Bar?

[![enter image description here][1]][1]


  [1]: https://i.stack.imgur.com/xp0W6.jpg


I want to add button like showing in the above Image. I tried to do with the notification but notification icon size is too small. How can I do it? Any Idea?