Kivy是一个开源Python库，用于快速开发具有新颖用户界面的跨平台应用程序，例如多点触控应用程序。
基本上是标题。将文本向右对齐后，如何使文本从右向左（最后一个字符之后键入的字符应该在其左侧）而不是...
如何在 Kivy 中使用 self.size 而不使用 kv 文件？
我正在尝试使用 Kivy 创建一个简单的应用程序，其中图像填充整个小部件。我使用 kv 文件为此编写了代码，效果很好。但是，如果我尝试完全在
属性错误：从 kv 语言调用函数时，“NoneType”对象没有属性“bind”
我试图在 kv 语言中按下此按钮后在主应用程序类中调用此函数，但我不断收到 AttributeError: 'NoneType' object has no attribute 'bind' 并且我不知道...
朋友们，美好的一天！ Kivy 文档对 EventDispatcher 的用法有点不清楚，我无法实现它。 简单描述： 进入屏幕时，在 on_enter() 方法中，会出现
我用 kivy python 创建了一个日历，带有一个微调下拉小部件，可以计算当天的工作小时数。我遇到的问题是我无法将字体设置为 30。我已经尝试过...
在 Colab 中使用 Buildozer 和 .spec 文件要求中的 FFpyplayer 将 Kivy 代码转换为 .APK 时遇到错误
我正在尝试在 google colab 中使用 kivy 和 buildozer 构建 apk 应用程序，但出现以下错误： 引发 DistutilsClassError( distutils.errors.DistutilsClassError: 命令类 我正在尝试在 google colab 中使用 kivy 和 buildozer 构建 apk 应用程序，但出现以下错误： 引发 DistutilsClassError( distutils.errors.DistutilsClassError: 命令类 main.FFBuildExt'> 必须子类 Command 整个错误如下： Traceback (most recent call last): [DEBUG]: File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/ffpyplayer/setup.py", line 398, in <module> [DEBUG]: setup(name='ffpyplayer', [DEBUG]: File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/__init__.py", line 104, in setup [DEBUG]: return distutils.core.setup(**attrs) [DEBUG]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [DEBUG]: File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/_distutils/core.py", line 172, in setup [DEBUG]: ok = dist.parse_command_line() [DEBUG]: ^^^^^^^^^^^^^^^^^^^^^^^^^ [DEBUG]: File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/_distutils/dist.py", line 475, in parse_command_line [DEBUG]: args = self._parse_command_opts(parser, args) [DEBUG]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [DEBUG]: File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/dist.py", line 869, in _parse_command_opts [DEBUG]: nargs = _Distribution._parse_command_opts(self, parser, args) [DEBUG]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [DEBUG]: File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/_distutils/dist.py", line 541, in _parse_command_opts [DEBUG]: raise DistutilsClassError( [DEBUG]: distutils.errors.DistutilsClassError: command class <class '__main__.FFBuildExt'> must subclass Command Exception in thread background thread for pid 57012: Traceback (most recent call last): File "/usr/lib/python3.10/threading.py", line 1016, in _bootstrap_inner self.run() File "/usr/lib/python3.10/threading.py", line 953, in run self._target(*self._args, **self._kwargs) File "/root/.local/lib/python3.10/site-packages/sh.py", line 1641, in wrap fn(*rgs, **kwargs) File "/root/.local/lib/python3.10/site-packages/sh.py", line 2569, in background_thread handle_exit_code(exit_code) File "/root/.local/lib/python3.10/site-packages/sh.py", line 2269, in fn return self.command.handle_command_exit_code(exit_code) File "/root/.local/lib/python3.10/site-packages/sh.py", line 869, in handle_command_exit_code raise exc sh.ErrorReturnCode_1: RAN: /content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/python3 setup.py build_ext -v STDOUT: /content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/ffpyplayer/setup.py:3: DeprecationWarning: The distutils package is deprecated and slated for removal in Python 3.12. Use setuptools or check PEP 632 for potential alternatives from distutils.command.build_ext import build_ext /content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/_distutils_hack/__init__.py:11: UserWarning: Distutils was imported before Setuptools, but importing Setuptools also replaces the `distutils` module in `sys.modules`. This may lead to undesirable behaviors or errors. To avoid these issues, avoid using distutils directly, ensure that setuptools is installed in the traditional way (e.g. not an editable install), and/or make sure that setuptools is always imported before distutils. warnings.warn( /content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/_distutils_hack/__init__.py:26: UserWarning: Setuptools is replacing distutils. warnings.warn("Setuptools is replacing distutils.") Using setuptools Not using cython on android Environ change config_postproc -> False Environ change use_sdl2_mixer -> True FFMPEG_ROOT: "None" SDL_ROOT: "None" SDL2_MIXER_ROOT: "None" Generating ffconfig.h Generating ffconfig.pxi Include directories: ['/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffmpeg/arm64-v8a__ndk_target_21/ffmpeg/include', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/jni/SDL/include', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/jni/SDL2_mixer/include', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/ffpyplayer/ffpyplayer', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/ffpyplayer/ffpyplayer/includes'] Library directories: ['/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffmpeg/arm64-v8a__ndk_target_21/ffmpeg/lib', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/libs/arm64-v8a'] Traceback (most recent call last): File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/ffpyplayer/setup.py", line 398, in <module> setup(name='ffpyplayer', File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/__init__.py", line 104, in setup return distutils.core.setup(**attrs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/_distutils/core.py", line 172, in setup ok = dist.parse_command_line() ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/_distutils/dist.py", line 475, in parse_command_line args = self._parse_command_opts(parser, args) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/dist.py", line 869, in _parse_command_opts nargs = _Distribution._parse_command_opts(self, parser, args) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/_distutils/dist.py", line 541, in _parse_command_opts raise DistutilsClassError( distutils.errors.DistutilsClassError: command class <class '__main__.FFBuildExt'> must subclass Command STDERR: [INFO]: STDOUT (last 20 lines of 35): Include directories: ['/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffmpeg/arm64-v8a__ndk_target_21/ffmpeg/include', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/jni/SDL/include', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/jni/SDL2_mixer/include', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/ffpyplayer/ffpyplayer', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/ffpyplayer/ffpyplayer/includes'] Library directories: ['/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffmpeg/arm64-v8a__ndk_target_21/ffmpeg/lib', '/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/libs/arm64-v8a'] Traceback (most recent call last): File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/ffpyplayer/setup.py", line 398, in <module> setup(name='ffpyplayer', File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/__init__.py", line 104, in setup return distutils.core.setup(**attrs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/_distutils/core.py", line 172, in setup ok = dist.parse_command_line() ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/_distutils/dist.py", line 475, in parse_command_line args = self._parse_command_opts(parser, args) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/dist.py", line 869, in _parse_command_opts nargs = _Distribution._parse_command_opts(self, parser, args) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages/setuptools/_distutils/dist.py", line 541, in _parse_command_opts raise DistutilsClassError( distutils.errors.DistutilsClassError: command class <class '__main__.FFBuildExt'> must subclass Command [INFO]: STDERR: [INFO]: ENV: export HOME='/root' export CFLAGS='-target aarch64-linux-android21 -fomit-frame-pointer -march=armv8-a -fPIC -I/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/python3/arm64-v8a__ndk_target_21/python3/Include' export CXXFLAGS='-target aarch64-linux-android21 -fomit-frame-pointer -march=armv8-a -fPIC' export CPPFLAGS='-DANDROID -I/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include -I/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/python-installs/mahfouz/arm64-v8a/include/python3.1' export LDFLAGS=' -L/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/libs_collections/mahfouz/arm64-v8a -L/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/python3/arm64-v8a__ndk_target_21/python3/android-build -lpython3.11 -L/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/libs_collections/mahfouz/arm64-v8a -L/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/libs_collections/mahfouz -L/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/obj/local/arm64-v8a ' export LDLIBS='-lm' export PATH='/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin:/root/.buildozer/android/platform/android-ndk-r25b:/root/.buildozer/android/platform/android-sdk/tools:/root/.buildozer/android/platform/apache-ant-1.9.4/bin:/opt/bin:/usr/local/nvidia/bin:/usr/local/cuda/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/tools/node/bin:/tools/google-cloud-sdk/bin' export CC='/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang -target aarch64-linux-android21 -fomit-frame-pointer -march=armv8-a -fPIC' export CXX='/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ -target aarch64-linux-android21 -fomit-frame-pointer -march=armv8-a -fPIC' export AR='/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ar' export RANLIB='/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-ranlib' export STRIP='/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip --strip-unneeded' export READELF='/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-readelf' export OBJCOPY='/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-objcopy' export MAKE='make -j2' export ARCH='arm64-v8a' export NDK_API='android-21' export LDSHARED='/root/.buildozer/android/platform/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang -target aarch64-linux-android21 -fomit-frame-pointer -march=armv8-a -fPIC -shared' export BUILDLIB_PATH='/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/build/lib.linux-x86_64-3.11' export PYTHONNOUSERSITE='1' export LANG='en_GB.UTF-8' export PYTHONPATH='/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib:/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/Lib/site-packages:/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/build/temp.linux-x86_64-3.11:/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/build/scripts-3.11:/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/build/lib.linux-x86_64-3.11' export LIBLINK='NOTNONE' export COPYLIBS='1' export LIBLINK_PATH='/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/objects_ffpyplayer' export FFMPEG_INCLUDE_DIR='/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffmpeg/arm64-v8a__ndk_target_21/ffmpeg/include' export FFMPEG_LIB_DIR='/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffmpeg/arm64-v8a__ndk_target_21/ffmpeg/lib' export SDL_INCLUDE_DIR='/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/jni/SDL/include' export SDL_LIB_DIR='/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/libs/arm64-v8a' export USE_SDL2_MIXER='1' export SDL2_MIXER_INCLUDE_DIR='/content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/bootstrap_builds/sdl2/jni/SDL2_mixer/include' export NDKPLATFORM='NOTNONE' export CONFIG_POSTPROC='0' [INFO]: COMMAND: cd /content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/ffpyplayer-openssl/arm64-v8a__ndk_target_21/ffpyplayer && /content/.buildozer/android/platform/build-arm64-v8a_armeabi-v7a/build/other_builds/hostpython3/desktop/hostpython3/native-build/python3 setup.py build_ext -v 在我的 buildozer.spec 中我有 [app] # (str) Title of your application title = Mahfouz Calculator # (str) Package name package.name = mahfouz # (str) Package domain (needed for android/ios packaging) package.domain = org.test # (str) Source code where the main.py live source.dir = . # (list) Source files to include (let empty to include all the files) source.include_exts = py,png,jpg,kv,atlas,pem,txt,ttf,pkl, m4a, json # (list) List of inclusions using pattern matching #source.include_patterns = assets/*,images/*.png # (list) Source files to exclude (let empty to not exclude anything) #source.exclude_exts = spec # (list) List of directory to exclude (let empty to not exclude anything) #source.exclude_dirs = tests, bin, venv # (list) List of exclusions using pattern matching # Do not prefix with './' #source.exclude_patterns = license,images/*/*.jpg # (str) Application versioning (method 1) version = 0.1 # (str) Application versioning (method 2) # version.regex = __version__ = ['"](.*)['"] # version.filename = %(source.dir)s/main.py # (list) Application requirements # comma separated e.g. requirements = sqlite3,kivy requirements = python3,kivy,kivymd==0.104.2,pillow,pycryptodome,arabic-reshaper,python-bidi,langdetect,jnius,plyer,androidstorage4kivy,websockets,ffpyplayer 我在互联网上搜索但没有一个工作 过去两天我也遇到了同样的问题。虽然更改 ffpyplayer 文件夹中的 setup.py 暂时有效，但我找到了更可靠、更简单的修复方法。我注意到版本号中包含 v 的模式，这与其他要求不同。要解决此问题，请在 buildozer.spec 内的要求中更新 ffpyplayer，方法是在版本号前面包含“v”，如下所示： 要求 = ffpyplayer==v4.5.0 我使用了这个确切的命令，它对我有用。我没有使用 Colab，但我希望这也能解决您的问题。 可用版本的官方链接：https://github.com/matham/ffpyplayer/releases
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