Kivy 有史以来我接触最不友好的一个Python框架

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开头

最近有个朋友找我帮他看看一个构建Kivy的问题。结果弄了整整一天，连编译环境都有问题，最终也没能编译成功。虽然最后里成功已经很接近了，但
考虑朋友说换成用HTML做了，就没有继续折腾Kivy了。

部署

刚开始，我说想快点帮他解决，就打算直接在Kivy官网找官方的Docker镜像下载了。后来，下了好几个镜像，官方的，非官方的
结果都有各种各样的问题，跑不通。

后面就放弃Docker了，直接在本地环境搭建环境。在运行buildozer -v android debug 的时候，报错：

1
'sdkmanager not installed'

后面才发现需装一个Android的SDK （Android Studio ），这我在官方文档上都看到啊。。真是无语哎

  • 相关报错信息：
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    Original exception:
    ===================
        Traceback (most recent call last):
          File "/Users/xifeng.li/.local/lib/python3.7/site-packages/sh.py", line 2076, in __init__
            os.execve(cmd[0], cmd, ca["env"])
        OSError: [Errno 8] Exec format error: b'/Users/xifeng.li/opt/test_kivy/app/.buildozer/android/platform/build-armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/python3'
    # Command failed: /Users/xifeng.li/opt/anaconda3/bin/python -m pythonforandroid.toolchain create --dist_name=myapp --bootstrap=sdl2 --requirements=python3,kivy --arch armeabi-v7a --copy-libs --color=always --storage-dir="/Users/xifeng.li/opt/test_kivy/app/.buildozer/android/platform/build-armeabi-v7a" --ndk-api=21
    # ENVIRONMENT:
    #     TERM_PROGRAM = 'iTerm.app'
    #     PYENV_ROOT = '/Users/xifeng.li/.pyenv'
    #     TERM = 'xterm-256color'
    #     SHELL = '/bin/bash'
    #     CLICOLOR = 'Yes'
    #     TMPDIR = '/var/folders/5_/r_bbpkqj2t126yjr97zgbvshnb19df/T/'
    #     CONDA_SHLVL = '1'
    #     CONDA_PROMPT_MODIFIER = '(base) '
    #     TERM_PROGRAM_VERSION = '3.3.9'
    #     OLDPWD = '/Users/xifeng.li/Library/Android/sdk/tools/bin'
    #     TERM_SESSION_ID = 'w0t3p0:A097B1EA-1572-46C1-847B-DC60F03F9BCF'
    #     USER = 'xifeng.li'
    #     COMMAND_MODE = 'unix2003'
    #     CONDA_EXE = '/Users/xifeng.li/opt/anaconda3/bin/conda'
    #     SSH_AUTH_SOCK = '/private/tmp/com.apple.launchd.xatnkbYTCt/Listeners'
    #     __CF_USER_TEXT_ENCODING = '0x2AB0A5AE:0x0:0x0'
    #     _CE_CONDA = ''
    #     PATH = '/Users/xifeng.li/.buildozer/android/platform/apache-ant-1.9.4/bin:/Users/xifeng.li/Library/Android/sdk/sdkmanager:/Users/xifeng.li/Library/Android/sdk/tools:/Users/xifeng.li/.pyenv/bin:/Users/xifeng.li/opt/anaconda3/bin:/Users/xifeng.li/opt/anaconda3/condabin:/Users/xifeng.li/.pyenv/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/xifeng.li/Library/Python/2.7/bin:/Users/xifeng.li/.local/bin'
    #     LaunchInstanceID = 'D7D5D23B-AE28-49F3-80C1-63F519A6608F'
    #     CONDA_PREFIX = '/Users/xifeng.li/opt/anaconda3'
    #     PWD = '/Users/xifeng.li/opt/test_kivy/app'
    #     JAVA_HOME = '/Library/Java/JavaVirtualMachines/jdk1.8.0_231.jdk/Contents/Home'
    #     ANDROID_SDK = '/Users/xifeng.li/Library/Android/sdk'
    #     ITERM_PROFILE = 'Default'
    #     XPC_FLAGS = '0x0'
    #     _CE_M = ''
    #     XPC_SERVICE_NAME = '0'
    #     SHLVL = '1'
    #     HOME = '/Users/xifeng.li'
    #     COLORFGBG = '15;0'
    #     LC_TERMINAL_VERSION = '3.3.9'
    #     LS_OPTIONS = '--color=auto'
    #     ITERM_SESSION_ID = 'w0t3p0:A097B1EA-1572-46C1-847B-DC60F03F9BCF'
    #     CONDA_PYTHON_EXE = '/Users/xifeng.li/opt/anaconda3/bin/python'
    #     LOGNAME = 'xifeng.li'
    #     LC_CTYPE = 'UTF-8'
    #     CONDA_DEFAULT_ENV = 'base'
    #     LC_TERMINAL = 'iTerm2'
    #     SECURITYSESSIONID = '186a6'
    #     COLORTERM = 'truecolor'
    #     _ = '/Users/xifeng.li/.local/bin/buildozer'
    #     PACKAGES_PATH = '/Users/xifeng.li/.buildozer/android/packages'
    #     ANDROIDSDK = '/Users/xifeng.li/.buildozer/android/platform/android-sdk'
    #     ANDROIDNDK = '/Users/xifeng.li/.buildozer/android/platform/android-ndk-r19c'
    #     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
    (base) XifengLideMacBook-Pro:app xifeng.li$ /Users/xifeng.li/opt/anaconda3/bin/python -m pythonforandroid.toolchain create --dist_name=myapp --bootstrap=sdl2 --requirements=python3,kivy --arch armeabi-v7a --copy-libs --color=always --storage-dir="/Users/xifeng.li/opt/test_kivy/app/.buildozer/android/platform/build-armeabi-v7a" --ndk-api=21
    /Users/xifeng.li/opt/anaconda3/lib/python3.7/site-packages/pythonforandroid/toolchain.py:84: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
      import imp
    [INFO]:    Will compile for the following archs: armeabi-v7a
    [ERROR]:   Build failed: Android SDK dir was not specified, exiting.

Reference

https://github.com/diegodukao/docker-python3-kivy-buildozer
https://stackoverflow.com/questions/65724724/while-building-kivy-app-sdkmanager-not-installed
https://developer.android.com/studio#downloads
https://hub.docker.com/r/kivy/buildozer