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Amir-Mousavi
Asked: 2018-02-14 14:45:52 +0800 CST

Emulator -avd does not launch the virtual device

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on Ubuntu 16.04 I have installed AndroidStudio and via its AVD manager GUI did create tow new devices. now on Terminal when I type emulator -list-avds it lists the devices correctly, but when run emulator -avd <name> I face errors:

[139684796983104]:ERROR:android/android-emu/android/qt/qt_setup.cpp:28:Qt library not found at ../emulator/lib64/qt/lib
Could not launch '/home/amir/../emulator/qemu/linux-x86_64/qemu-system-i386': No such file or directory

How should I solve it?

emulation android-emulator

3 Answers

  1. Best Answer

    I'm pretty sure you can solve this by calling the emulator from the directory where it is installed: e.g. 

    $ cd /home/amir/Android/Sdk/tools/
$ emulator -avd <name>

    Consider creating an env variable $ANDROID_HOME.

    If your directory matches my example above, set the variable to /home/amir/Android/Sdk (don't include tools).

    Some people report that this resolved the problem for them, so that they didn't even need to start the emulator from within the tools directory.

    I cannot confirm this though, but it's easier to cd $ANDROID_HOME/tools && emulator <name>, isn't it?

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  2. In Ubuntu 19.10!

    With the environment variables already configured ($ANDROID_HOME), you should be able to list the AVDs, but if you are unable to start the AVD, do the following:

    # Check the AVD target name

    emulator -list-avds

    # But to start do:

    $ANDROID_HOME/emulator/emulator @avd_name

    or

    /home/$USER/Android/Sdk/emulator/emulator @avd_name

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  3. Had this error recently on Arch Linux. Simplest resolution for me was to add an alias to ~/.profile like this:
    alias emulator='cd /home/myusername/Android/Sdk/tools ; emulator

    Then you can just use it normally, i.e. emulator -avd <name> without having to worry about switching directories beforehand.

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