Java Dagger 依赖注入库

Dagger 是一个快速的依赖注入库，支持 Java 和 Android。Maven<dependencies>
  <dependency>
    <groupId>com.squareup.dagger</groupId>
    <artifactId>dagger</artifactId>
    <version>${dagger.version}</version>
  </dependency>
  <dependency>
    <groupId>com.squareup.dagger</groupId>
    <artifactId>dagger-compiler</artifactId>
    <version>${dagger.version}</version>
    <optional>true</optional>
  </dependency>
</dependencies>