I've just update my Android Studio together with the Android Emulator to the newest version. After I click "run" in my project and selected my emulator, it boots up like normal. However, when the app pops up, I can hear some strange noise produced. I've made sure that I didn't set the app to play any sound. Link to the strange noise
Android Emulator: Galaxy Nexus API 27
Android Studio Version: 3.0.1
It's the Android emulator. The emulated phone has a microphone, so the emulator uses your computer's microphone to emulate it. Feel free to deny access to your microphone; the emulator will work fine—except for its microphone, of course.
In general there are three ways to bypass an emulator check: Modify the app and remove the emulator check. Modify the emulator so that it pretends to be a real device. Modify the system calls the app does for detecting it is running on an emulator.
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 HAXM issues are often the result of conflicts with other virtualization technologies, incorrect settings, or an out-of-date HAXM driver.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.
Touch Sounds
on the Android device/emulator.You can find it under Settings
-> Sound & notification
-> Other sounds
-> Touch sounds
That sound was actually the notification sound of the emulator. Since my app is in landscape mode, it needed me to configure the keyboard in landscape mode. So the notification came out.
Try using emulators, like genymotion or bluestacks. They are pretty good. On the other side, in my experience, Android Studio emulators are very slow and buggy.
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