title: Why can’t I build an apk for android using KivyMD?
body: <p>I'm trying to build an apk using the KivyMD library, I downloaded it through python3 -m pip install kivymd, but an error pops up during the assembly, if I build without KivyMD, only with Kivy, everything works, but not with it. My virtual machine <a href="https://github.com/wzphood/kivybits/tree/master/KivyCompleteVM" rel="nofollow noreferrer">https://github.com/wzphood/kivybits/tree/master/KivyCompleteVM</a></p>
  
  <p>Error:</p>
  
  <pre><code># Command failed: /usr/bin/python3 -m pythonforandroid.toolchain create --dist_name=myapp --bootstrap=sdl2 --requirements=python3,kivy==1.11.1,git+https://github.com/HeaTTheatR/KivyMD.git --arch armeabi-v7a --copy-libs --color=always --storage-dir="/home/kivy/Repos/kivy/examples/demo/touchtracer/.buildozer/android/platform/build-armeabi-v7a" --ndk-api=21
  # ENVIRONMENT:
  #     LS_COLORS = 'rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:'
  #     LESSCLOSE = '/usr/bin/lesspipe %s %s'
  #     XDG_MENU_PREFIX = 'xfce-'
  #     LANG = 'en_ZA.UTF-8'
  #     GDM_LANG = 'en_US'
  #     DISPLAY = ':0.0'
  #     GTK_OVERLAY_SCROLLING = '0'
  #     COLORTERM = 'truecolor'
  #     JAVA_HOME = '/usr/lib/jvm/java-8-openjdk-amd64'
  #     XDG_VTNR = '7'
  #     SSH_AUTH_SOCK = '/run/user/1000/keyring/ssh'
  #     MANDATORY_PATH = '/usr/share/gconf/xubuntu.mandatory.path'
  #     GLADE_CATALOG_PATH = ':'
  #     XDG_SESSION_ID = 'c1'
  #     XDG_GREETER_DATA_DIR = '/var/lib/lightdm-data/kivy'
  #     USER = 'kivy'
  #     GLADE_MODULE_PATH = ':'
  #     DESKTOP_SESSION = 'xubuntu'
  #     DEFAULTS_PATH = '/usr/share/gconf/xubuntu.default.path'
  #     QT_QPA_PLATFORMTHEME = 'gtk2'
  #     PWD = '/home/kivy/Repos/kivy/examples/demo/touchtracer'
  #     HOME = '/home/kivy'
  #     SSH_AGENT_PID = '1328'
  #     QT_ACCESSIBILITY = '1'
  #     XDG_SESSION_TYPE = 'x11'
  #     XDG_DATA_DIRS = '/usr/share/xubuntu:/usr/share/xfce4:/usr/local/share:/usr/share:/var/lib/snapd/desktop:/var/lib/snapd/desktop:/usr/share'
  #     XDG_SESSION_DESKTOP = 'xubuntu'
  #     GLADE_PIXMAP_PATH = ':'
  #     CLUTTER_BACKEND = 'x11'
  #     SHELL = '/bin/bash'
  #     VTE_VERSION = '5202'
  #     TERM = 'xterm-256color'
  #     XDG_SEAT_PATH = '/org/freedesktop/DisplayManager/Seat0'
  #     XDG_CURRENT_DESKTOP = 'XFCE'
  #     GPG_AGENT_INFO = '/run/user/1000/gnupg/S.gpg-agent:0:1'
  #     XDG_SEAT = 'seat0'
  #     SHLVL = '1'
  #     LANGUAGE = 'en_ZA:en'
  #     WINDOWID = '58720259'
  #     GDMSESSION = 'xubuntu'
  #     LOGNAME = 'kivy'
  #     DBUS_SESSION_BUS_ADDRESS = 'unix:path=/run/user/1000/bus'
  #     XDG_RUNTIME_DIR = '/run/user/1000'
  #     XAUTHORITY = '/home/kivy/.Xauthority'
  #     XDG_SESSION_PATH = '/org/freedesktop/DisplayManager/Session0'
  #     XDG_CONFIG_DIRS = '/etc/xdg/xdg-xubuntu:/etc/xdg:/etc/xdg'
  #     PATH = '/home/kivy/.buildozer/android/platform/apache-ant-1.9.4/bin:/bin:/home/kivy/bin:/home/kivy/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin'
  #     SESSION_MANAGER = 'local/kivy-complete:@/tmp/.ICE-unix/1346,unix/kivy-complete:/tmp/.ICE-unix/1346'
  #     LESSOPEN = '| /usr/bin/lesspipe %s'
  #     _ = '/usr/local/bin/buildozer'
  #     PACKAGES_PATH = '/home/kivy/.buildozer/android/packages'
  #     ANDROIDSDK = '/home/kivy/Android/android-sdk-28'
  #     ANDROIDNDK = '/home/kivy/Android/android-ndk-r17c'
  #     ANDROIDAPI = '27'
  #     ANDROIDMINAPI = '21'
  # 
  # Buildozer failed to execute the last command
  # The error might be hidden in the log above this error
  # Please read the full log, and search for it before
  # raising an issue with buildozer itself.
  # In case of a bug report, please add a full log with log_level = 2
  </code></pre>
  
  <p>I also tried to replace the line <code>requirements = python3,kivy==master,git+https://gitlab.com/kivymd/KivyMD.git</code></p>
  
  <p><a href="https://drive.google.com/open?id=1PuTagBB8Aksn9suW74WjcDWY3n2BWOLA" rel="nofollow noreferrer">spec file</a> </p>
  
  <p><a href="https://drive.google.com/open?id=1QerWQPVoYVM6KJeUfzZWHXh9Bg0PNSfH" rel="nofollow noreferrer">full log</a></p>
  
  <p><a href="https://drive.google.com/open?id=1VKSAB8yrBjjTFulcgqsQ7PxDPpTsulXy" rel="nofollow noreferrer">build.py</a></p>