lazy load of ionic3 tabs app messed up at android and browser Back Button

Ionic version: (check one with “x”) [ ] 1.x (For Ionic 1.x issues, please use https://github.com/ionic-team/ionic-v1) [ ] 2.x [x ] 3.x

I’m submitting a … (check one with “x”) [x ] bug report [ ] feature request [ ] support request => Please do not submit support requests here, use one of these channels: https://forum.ionicframework.com/ or http://ionicworldwide.herokuapp.com/

Current behavior: While switching pages 3 or more layers deeper， then click back button of android or browser, can not go back to the page previous visited.

Expected behavior: go back to the page previous visited.

Steps to reproduce: The bug repo is at back-button-bug

1. start the project using ionic serve
2. go to the contact tab, then click the go detail button, then click the go detail deeper button
3. click the back button of android or browser, you will find that you can not go back to the page previous visited. More clearly, it should be the page where go detail button display.

Other information: the back button works fine if you only view 1 or 2 layer。

Ionic info: (run ionic info from a terminal/cmd prompt and paste output below):

global packages:

    @ionic/cli-utils : 1.4.0
    Ionic CLI        : 3.4.0

local packages:

    @ionic/app-scripts              : 1.3.4
    @ionic/cli-plugin-ionic-angular : 1.3.1
    Ionic Framework                 : ionic-angular 3.0.1

System:

    Node       : v6.9.2
    OS         : macOS Sierra
    Xcode      : not installed
    ios-deploy : not installed
    ios-sim    : not installed
    npm        : 3.10.9

[hellogithub2014]

@karansharma27 Yes, I found why that happened. If you have two pages , A is lazy loaded, B is not. When you navigate to B from A, after a while you want go back to A, you will find this issue. THE SOLUTION is make A and B both lazy loaded, that works for me.

[hellogithub2014]

-----------update-------------

1. After I updated my ionic-angular to 3.5.0(I copied the package.json from ionic-conference-app ), some of the above bugs were fixed. Thanks for your guys’ hard working!
2. BUT there is one another bug I found: The back button of page’s behavior does not consistent with the back button of browser’s. The previous one often does not change the hash of url, but the latter one does. So if you use different button with different order, then bugs come out.