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How to Implement an "Undo" Bar in Android

DZone's Guide to

How to Implement an "Undo" Bar in Android

· Java Zone
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What every Java engineer should know about microservices: Reactive Microservices Architecture.  Brought to you in partnership with Lightbend.

Users hate to lose data, and it's a tough situation when it's a user error that leads to the loss. One solution, though, is a simple "undo" button, which can be a little bit difficult to implement on Android. So, here's a solution from Jens Driller: Android - UndoBar.

It's small and simple, and does exactly what it sounds like - a notification (modeled after Gmail's) that includes a message about the items deleted and an undo button - and it looks like this on pre-KitKat devices:

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And like this post-KitKat:

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Clean, easy to use, and good-looking. Check it out if you're interested in a simple yet useful solution, or if your users just keep accidentally deleting their stuff.

Microservices for Java, explained. Revitalize your legacy systems (and your career) with Reactive Microservices Architecture, a free O'Reilly book. Brought to you in partnership with Lightbend.

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