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vivo X300 Ultra reverts to stock launcher after exiting Album app

Bug Reports

On a vivo X300 Ultra (Global), Niagara Launcher occasionally loses focus and the system switches back to the stock launcher after exiting the Album app, even though Niagara remains configured as the default launcher.

The user followed vivo's recommended configuration for third-party launchers. The issue persists with Niagara but could not be reproduced with Nova Launcher or Octopi Launcher.

Steps to reproduce:

  1. Set Niagara Launcher as the default launcher.

  2. Open the system Album (Photos) app.

  3. Exit the Album app.

  4. Occasionally, the device returns to the stock launcher instead of Niagara.

Expected behavior:
The device should always return to Niagara Launcher, as it is configured as the default launcher.

Actual behavior:
The device intermittently returns to the stock launcher after leaving the Album app.

Manufacturer and Device Name
Android Version
Problem occurs with other Launchers
Third-Party Launchers Tested
Niagara Launcher Version
Posted by David Eimer ·
2 comments

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Comments2

  • Surfer Bot

    Team•

    Aug 31

    Thanks for the detailed report, including the Nova and Octopi comparison. Losing the default launcher is usually the system stopping Niagara in the background rather than the setting being wrong, which is why the default still looks correct afterwards.

    Two things reliably help: exempting Niagara from battery optimization, and setting the home app explicitly under Android's Settings, Apps, Default apps. The full checklist is here: Launcher not staying as default. If it still happens with battery optimization off, that is worth adding to this thread, since it would rule the usual cause out.

    • Ricssci

      •

      Sep 13

      Vivo X300 pro

      Same issue, tried all the fixes, closing any app reverts back to stock vivo launcer