mac安装依赖
brew install automake
brew install autoconf
brew install libtool
安装sdk环境
最好安装个android studio，然后打开sdk配置下载Android 27 SDK
创建虚拟环境virtualenv
安装python包
pip install buildozer
pip install Cython
初始化
buildozer init
编译并运行
顺便打印logcat
buildozer android debug deploy run logcat