ADT似乎并没有自动把它捡起来： - /

ADT doesn't seem to pick it up automatically :-/

手动配置的主要项目的构建路径依赖库项目的罐为我工作。

Manually configuring the main project's build path to rely on the library project's jars worked for me.

构建路径 - >库 - >添加JAR文件 - > {图书馆项目} \\库\\ my​​jar.jar

Build Path -> Libraries -> Add JARs -> {Library Project}\libs\myjar.jar