Ionic: How to override back button function?

Question

I need to override the back button function for both buttons:

• the back icon on top left corner of nav-bar
• the hardware back button (for example in and

Answer 1

This code is for android button, while the button on the navigation bar is a bit more simple:

Android button :

$ionicPlatform.registerBackButtonAction(function (event) {
  if($state.current.name=="home"){
    alert("button back");
  }
}, 100);

Ionic button :

You can edit your topic and see how you have defined your menus and your views?