buildscript {
 dependencies {
  classpath 'com.android.tools.build:gradle:3.0.1'
  // need delete in gradle3.x version
  classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
 }
}
Module build.gradle文件:
apply plugin: 'com.android.library'
apply plugin: 'android-apt'
android {
 // ...
}
configurations {
 provided
}
dependencies {
 // ...
 // Fyber Annotations
 provided 'com.fyber:fyber-annotations:1.3.0'
 apt 'com.fyber:fyber-annotations-compiler:1.4.0'
 // ...
}

buildscript {
 dependencies {
  classpath 'com.android.tools.build:gradle:3.0.1'
 }
}
Module build.gradle文件:
apply plugin: 'com.android.library'
android {
 // ...
 // add this code to enable annotationProcessor
  javaCompileOptions {
   annotationProcessorOptions {
    includeCompileClasspath = true
   }
  }
}
dependencies {
 // ...
 // Fyber Annotations
 compileOnly 'com.fyber:fyber-annotations:1.3.0'
 annotationProcessor 'com.fyber:fyber-annotations-compiler:1.4.0'
 // ...
}

@FyberSDK
public class MainActivity extends BaseActivity<MainPresenter, MainModel> implements
  IBannerDelegate, IMainView,
  View.OnClickListener {
  //....
  }