Ionic 2 customize back button action
<p>I want to customize the click-action of the back button mentioned in this screen capture. I want that by clicking I do not return to the previous page but to a page that I specify myself, or do a treatment before going back.</p>

<p><a href="https://i.stack.imgur.com/EI2Xi.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/EI2Xi.png" alt="screenshot"></a></p>