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androidandroid-activitybottombar

How to highlight element on a bottom bar in Android, without using Fragments

I'm developing an app, which has three activities; you can switch the activities using a bottom bar. However, whenever I switch the activity, the bottom bar highlights the first element, and not the element correspondent to the activity I chose.

That's what I want:

And that's what happens:

I could use fragments, but I have to re-create all my project; also, I method that I'm using is not working even if I change it in a fragment.

How can I resolve my problem without using fragments? How can I highlight the element in the bottom bar?

Thanks for your replies!

Solution

  • Use this code to onResume() of activity. So whenever activity started that item will be selected already.

    mBottomNavigationView.getMenu().getItem(index).setChecked(true);

    index refer to menu item number 0-2(Because you have three items). In your case for setting index should be 1 for setting.