From WABetaInfo · WABetaInfo · · 1m 20s
WhatsApp Tests Adaptive Bottom Navigation Bar
WhatsApp's Android app now shrinks its bottom navigation bar when users scroll down, returning to full size when scrolling up.
In brief
WhatsApp's Android app now shrinks its bottom navigation bar when users scroll down, returning to full size when scrolling up. WhatsApp is testing an adaptive bottom navigation bar on Android that shrinks during downward scrolling and expands during upward scrolling. Originally reported by WABetaInfo.
WhatsApp's New Bottom Navigation Bar
WhatsApp is testing a new bottom navigation bar that changes size based on scroll direction.
Shrinks During Downward Scroll
When users scroll down through their chat list, the bar shrinks into a compact floating pill.
Expands During Upward Scroll

When users scroll back up, WhatsApp restores the bar to its original size.
Full Screen When Not Scrolling
In its full form, WhatsApp expands the bottom navigation bar to the full width of the screen.
Adaptive Behavior
The bar gradually reduces in width and height when users scroll down, but remains visible.
Similar to Instagram
Instagram also shrinks its bottom navigation bar into a compact pill during downward scrolling.
Fourth Change
This is the fourth change WhatsApp has made to the bottom navigation bar since last year.
Still Experimenting
WhatsApp is still experimenting with the final design of the bottom navigation bar.
What it means
WhatsApp is testing an adaptive bottom navigation bar on Android that shrinks during downward scrolling and expands during upward scrolling.





