I need to test the behavior of my app in sleep mode. How to enable sleep mode, I found in this Stackoverflow article. As stated, about 1min after the screen of emulator goes to black.
The problem is now, I cannot wake the emulator back up again. No clicking and not hotkeys (F7, CTRL+H, etc.) What do I do wrong. Or do I habe a misunderstanding with the sleep mode, in general.
In principle, I could use a real device, but here I have not control when the phones goes to (deep) sleep, what makes it difficult to test.
If the emulator fails to launch due to the error vulkan-1. dll cannot be found , you probably need to update the emulator. To update the emulator in Android Studio, go to Tools > SDK Manager and install the latest stable version of Android platform.
If the Android Emulator does not start properly, this problem is often caused by problems with HAXM. HAXM issues are often the result of conflicts with other virtualization technologies, incorrect settings, or an out-of-date HAXM driver. Try reinstalling the HAXM driver, using the steps detailed in Installing HAXM.
I found that calling the emulator actually wakes up the phone as well.
I solved by checking "Stay awake" in "Settings -> Developer options -> Stay awake (screen will never sleep while charting)". And make sure set in emulator settings UI "(three dots) -> Battery -> Charger connection -> AC Charger"
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