Bottom navigation view doesn't handle back botton action

Question

I'm new in android programming and sorry for my poor english In my android app there is a bottom navigation with 5 items They work great but i have a problem with back button Imagine item 2 is showing its fragment and when user press back button item 1 fragment's is shows but in bottom navigation item 2 seems to be running How could i fix this bug? Thanks

This could help you!! https://stackoverflow.com/questions/43246059/how-to-set-selected-item-in-bottomnavigationview — Anu Bhalla, Jan 29 '19 at 05:07

score 0 · Answer 1 · edited Jan 29 '19 at 04:58

0

There are 2 ways:

You could handle the onBackPressed on the activity then set the current page for bottomnavigationview
Check the current page of the viewpager then set current item for the bottomnavigationview

edited Jan 29 '19 at 04:58

shizhen

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answered Jan 28 '18 at 10:57

Henry Hieu

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Also i don't use view pager – mahdi navidi Jan 28 '18 at 11:01

score 0 · Answer 2 · answered Jan 29 '19 at 05:13

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You can do like this
mBottomNavigationView.getMenu().getItem(0).setChecked(true);

here getItem(0) will be count of bottom navigation view item

answered Jan 29 '19 at 05:13

Krutika Chotara

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Bottom navigation view doesn't handle back botton action

2 Answers2