The back button is now contextual, it appears in apps, but disappears when it ca... | Hacker News

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		joshuamorton on Aug 6, 2018 \| parent \| context \| favorite \| on: Introducing Android 9 Pie The back button is now contextual, it appears in apps, but disappears when it can't do anything.

ptx on Aug 6, 2018 [–]

What about when an activity in app A opens an activity in app B? Can I still go back to app A's activity from app B's activity?

joshuamorton on Aug 6, 2018 | [–]

I just tested this (I think):

I opened a link from fb messenger in chrome. The back button is still there, and clicking it returned me to messenger. So yes I believe so.

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