Guides / Building Search UI

Upgrading InstantSearch Android

Upgrade from InstantSearch v1 to v2

InstantSearch v2 introduces a new architecture and new widgets, which brings several breaking changes from v1:

  • No longer an InstantSearch component automatically connecting widgets. You are now in control of the Searcher and responsible for connecting and disconnecting it from widgets and other components.
  • The widgets are now built around ViewModels, holding their data and business logic.
    Compared to the V1 where widgets were Android Views, now the core of the widget is its view-model, and the UI is behind an interface to ensure minimal coupling.

You can learn more about the philosophy of InstantSearch v2 in What is InstantSearch. Once ready to start migrating, learn the steps to building an InstantSearch v2 app in the getting started guide..

The InstantSearch Android v1 documentation is available on the legacy docs page.

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