使用kivy打包apk

使用 Kivy 打包 APK，您需要遵循以下步骤：

1. 安装 Kivy 和 Buildozer

您需要运行以下命令来安装 Kivy 和 Buildozer：

pip install kivy
pip install buildozer

2. 创建一个 Kivy 应用程序

创建一个 Kivy 应用程序，并确保它可以在本地计算机上运行。

3. 配置 buildozer.spec 文件

在您的 Kivy 应用程序目录中创建一个名为 buildozer.spec 的文件，并配置以下选项：

[app]

# (str) Title of your application
title = My Application

# (str) Package name
package.name = myapp

# (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

# (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
#source.exclude_dirs = tests, bin

# (list) List of exclusions using pattern matching
#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
requirements = kivy

# (str) Custom source folders for requirements
# (it's relative to the current directory)
#source.custom_kivy = ../kivy

# (list) Permissions
android.permissions = INTERNET

# (str) Android logcat filters to use
android.logcat_filters = *:S python:D

# (str) Android entry point
android.entrypoint = org.test.myapp.myapp

# (int) Target Android API, should be as high as possible.
#android.api = 27

# (int) Minimum API your APK will support.
android.minapi = 21

# (int) Android SDK version to use
android.sdk = 20

# (str) Android NDK version to use
#android.ndk = 19b

# (bool) Use --private data storage (True) or --dir public storage (False)
#android.private_storage = True

# (str) Android NDK directory (if empty, it will be automatically downloaded.)
#android.ndk_path =

# (str) Android SDK directory (if empty, it will be automatically downloaded.)
#android.sdk_path =

# (str) python-for-android git clone directory (if empty, it will be automatically cloned from github)
#android.p4a_dir =

# (list) python-for-android whitelist
#android.whitelist =

# (str) OUYA Console category. Should be one of GAME or APP
# If you leave this blank, OUYA will classify your app as "unknown".
#android.ouya.category = GAME

# (str) Filename of OUYA Console icon. It must be a 732x412 png image.
#android.ouya.icon.filename = %(source.dir)s/data/icon-ouya-console.png

# (str) XML file to include as an intent filters in <activity> tag
#android.manifest.intent_filters =

# (list) Android additionnal libraries
#android.add_libs = libs/android/*.so

# (list) Add Java jars
#android.add_jars = foo.jar,bar.jar

# (str) JNI directory containing the Android.mk file to use
#android.jni_directory = None

# (str) java directory containing the Android.mk file to use
#android.java_directory = None

# (bool) Use --bootstrap when building the Android app
#android.bootstrap = False

# (str) Path to a custom AndroidManifest.xml
#android.manifest.custom =

# (str) If you need to insert variables into your AndroidManifest.xml file,
#         you can do so with the manifestPlaceholders property.
#         See: https://developer.android.com/studio/build/manifest-build-variables.html
#android.manifest.placeholders =

# (str) Path to a custom build.py file
#android.build.custom_dir =

# (str) Path to a custom __init__.py file to use as __init__.py for the whole build
#android.build.source_init =

# (list) List of Java classes to add to the build process (can be java or aars)
#android.add_classpaths = foo.jar,bar.jar

# (list) List of Java classes to add to the build process (can be java or aars)
#android.add_aars = foo.jar,bar.jar

# (list) Gradle dependencies to add (currently works only with sdl2 bootstrap)
#android.gradle_dependencies =

# (str) Set the gradle version (default is 2.2.0)
#android.gradle_version = 2.2.0

# (bool) If True, attempt to run the app on the device via adb
#android.try_build_ext = False

# (str) iOS bundle identifier
#ios.bundle_identifier = org.test.myapp

# (str) iOS App Store ID
#ios.app_store_id =

# (str) iOS SDK to use
#ios.sdk = 10.1

# (str) The name of the certificate to use for signing the debug version of the app
# Get a list of available identities: buildozer ios list_identities
#ios.codesign.debug = "iPhone Developer"

# (str) The name of the certificate to use for signing the release version of the app
#ios.codesign.release = %(ios.codesign.debug)s

# (str) The path to the provisioning profile to use for the debug version of the app
# Get a list of available provisioning profiles: buildozer ios list_profiles
#ios.provisioning_profile_debug =

# (str) The path to the provisioning profile to use for the release version of the app
#ios.provisioning_profile_release =

# (bool) Compile with the SaleorSDK
#ios.use_salesforce_mobile_sdk = False

# (list) Icon files
#icon.filename = %(source.dir)s/data/icon.png
#icon.filename = %(source.dir)s/data/icon-256.png
#icon.filename = %(source.dir)s/data/icon-512.png
#icon.filename = %(source.dir)s/data/icon-1024.png

# (str) Keystore location (if you want to enable signing with a custom keystore)
#android.sign.keystore =

# (str) Keystore alias (if you want to enable signing with a custom keystore)
#android.sign.alias =

# (str) Keystore password (if you want to enable signing with a custom keystore)
#android.sign.keystore_password =

# (str) Key password (if you want to enable signing with a custom keystore)
#android.sign.key_password =

# (int) Number of permissions to prompt in the ``Permissions`` popup
#android.max_permissions = 5

# (str) Bootstrap to use. Choices: sdl2, pygame
#p4a.bootstrap = sdl2

# (int) Number of times to retry retrieving the Android SDK before giving up
#android.sdk_retry = 0

# (bool) Stop on first error encountered when compiling/building the python part of the project.
#stop_on_first_error = False

# (bool) Log output of p4a to files
#log_level = 2
#log_dir = logs
#log_name = p4a_build.log

# (list) List of package names to be included in the final package.
# Some android app store require this.
#android.add_packages =

# (list) Used to copy files into the App (useful to copy obb data, licensing stuff, etc.) Must be a list of tuples
#android.add_files =

# (list) List of Java classes to add to the build process
#android.add_java_classes =

# (list) List of Java files to add to the build process
#android.add_javas =

# (str) Path to a custom AndroidManifest.xml (template to generate the actual AndroidManifest.xml)
#android.manifest.template =

# (str) Path to a custom toolchain .zip file (can be used to use a pre-built library)
#android.toolchain =

# (str) Path to a custom obb file
#android.obb.filename =

# (str) Path to a custom obb file that should be put into the assets directory. This file will be read by the app at runtime.
#android.obb.main = 

# (str) Path to a custom obb file that should be put into the assets directory. This file will be read by the app at runtime.
#android.obb.patch =

# (bool) Enables Android App Bundle format
#android.bundle.enable = False

# (str) Specifies the format to use for the Android App Bundle. Choices are:
#         universal: generates a fat APK that works on all devices
#         split: generates an APK per ABI and on that only contains the resources for that ABI.
#android.bundle.mode = universal

# (list) List of split options to apply
# android.bundle.split_config = abi

# (list) List of obfuscation options to apply
#android.obfuscation =

# (str) Path to the python for android git checkout to use for the build
#p4a.source_dir = 

# (str) Path to the android ndk to use for the build
#android.ndk_path = 

# (str) Path to the android sdk to use for the build
#android.sdk_path = 

# (str) Path to the ant directory for the build
#android.ant_path = 

# (str) Path to the android build tools directory
#android.build_tools_path = 

# (bool) If True, automatically accept SDK license
#android.accept_sdk_license = False

# (bool) If True, no other SDK packages will be downloaded
#android.no_sdk_packages = False

# (str) Android theme to use for the app
#android.theme = 

# (bool) Copy library instead of making a libpymodules.so
#android.copy_libs = False

# (bool) Use a black background
#ios.black_background = False

# (str) URL scheme to use for the iOS app
#ios.url_scheme = 

# (str) Bundle name for the iOS app
#ios.bundle_name = 

# (str) The entitlements file to use
#ios.entitlements =

# (str) The entitlements file to use for the debug version of the app
#ios.entitlements.debug =

# (str) The entitlements file to use for the release version of the app
#ios.entitlements.release =

# (str) The path to the entitlements file to use
#ios.entitlements.path =

# (str) The development team to use for signing the app
#ios.development_team =

# (str) The development team to use for signing the debug version of the app
#ios.development_team.debug =

# (str) The development team to use for signing the release version of the app
#ios.development_team.release =

# (str) The provisioning profile to use for the debug version of the app
#ios.provisioning_profile_debug =

# (str) The provisioning profile to use for the release version of the app
#ios.provisioning_profile_release =

# (list) URL Schemes to use for the app
#ios.url_schemes =

# (list) iOS frameworks to link against
#ios.frameworks =

# (list) iOS frameworks to weakly link against
#ios.frameworks.weak =

# (list) iOS libraries to link against
#ios.libraries =

# (list) iOS libraries to weakly link against
#ios.libraries.weak =

# (bool) Enable bitcode support
#ios.enable_bitcode = False

# (str) The path to the entitlements file to use for the watch extension
#ios.watch_extension_entitlements =

# (str) The path to the provisioning profile to use for the watch extension
#ios.watch_extension_provisioning_profile =

# (list) iOS icon files to be used
#ios.icons =

# (str) The background color of the application's icon
#ios.icon_background_color =

# (str) The mask to use for the application's icon
#ios.icon_mask =

# (list) iOS assets to include
#ios.assets_directory =

# (str) iCloud entitlements file to use for the project
#ios.icloud_entitlements =

# (bool) Whether the app should be uploaded to TestFlight on build
#ios.testflight.upload = False

# (str) API Key for TestFlight
#ios.testflight.api_token =

# (str) Team Token for TestFlight
#ios.testflight.team_token =

# (str) Distribution lists for TestFlight
#ios.testflight.distribution_lists =

# (list) Any other custom Xcode build settings to use
#ios.pbxproj_variables =

您需要根据您的应用程序进行相应的更改。

4. 创建一个虚拟环境

在您的项目目录中创建一个虚拟环境：

python3 -m venv myenv

5. 激活虚拟环境

激活虚拟环境：

source myenv/bin/activate

6. 初始化 buildozer

初始化 buildozer：

buildozer init

7. 编辑 buildozer.spec 文件

编辑 buildozer.spec 文件，并确保您已经配置了正确的选项。

8. 打包 APK

运行以下命令来打包 APK：

buildozer -v android debug

这将创建一个名为 myapp-0.1-debug.apk 的 APK 文件。

注意：在打包 APK 之前，请确保您已经按照 Kivy 官方文档中的说明正确地配置了 Android SDK 和 NDK。