出现Failed to load \sdk\build-tools\29.0.3\lib\dx.jar Unknown error: Unable to build: the file dx.jar was not loaded from the SDK folder! 1. project.properties文件最后添加 sdk.buildtools=25.0.2 2. 下载build-tools 25.0.2 相关文章： 2022-12-23 2021-07-21 2022-12-23 2021-09-16 2021-12-25 2022-01-10 2022-01-23