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I created a new virtual Android device and now face the "Guest hasn't come online in 7 seconds" problem. It appears to be a well-known problem and the solution seems to be to turn of "quick boot":

Unfortunately, the "AVD manager" mentioned in those Q&As has been deprecated, and while Microsoft claims that Xamarin's Android Device Manager is "functionally equivalent" to the old AVD manager tool, I cannot find the option to disable quick boot there:

Android Device Manager

Where do I find this option in the new Android Device Manager?

SushiHangover
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Heinzi
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  • This does not exist currently. If it's possible, please use the `Help -> Send Feedback -> Provide a Suggestion` to let us know about this. We are aware that many quickboot features are not editable/usable currently in the Device Manager. You can edit properties manually such as adding `fastboot.forceColdBoot=yes` and `fastboot.forceFastBoot=no`. However this should be more user-friendly with quick editing or right clicking the emulator and hitting `Launch as Cold Boot`. – Jon Douglas Feb 27 '19 at 18:08

1 Answers1

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The quick boot setting is in a different ini-based file than the one that Xamarin's AVD manager is editing:

quickbootChoice.ini

The only entry is boolean saveOnExit:

saveOnExit = false

saveOnExit = true

You can create the file yourself since Xamarin AVD manager is lacking the ability (it goes in the same AVD directory as the config.ini|hardware-qemu.ini|... files.

Or once your emulator is running, use the emulator's extended settings dialog to enable/disable it (thus creating/changing the quickbootChoice.ini file)

enter image description here

SushiHangover
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