Eventbus: Gradle apt error for eventBusIndex...

Created on 18 Mar 2016 · 12Comments · Source: greenrobot/EventBus

I've wrestled with this for the past couple of hours or so, but cannot get gradle to build my index. I get the following error:
warning: The following options were not recognized by any processor: '[eventBusIndex]'

Here are snippets of my build.gradle file. I also have apt working for dagger 2.0, so I know my apt configuration works:

buildscript {
    repositories {
        mavenCentral()
        maven { url 'https://maven.fabric.io/public' }
    }

    dependencies {
        classpath 'io.fabric.tools:gradle:1.21.5'
        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
        classpath 'me.tatarka:gradle-retrolambda:3.2.5'
    }
}

repositories {
    mavenCentral()
}

apply plugin: 'com.android.application'
apply plugin: 'com.neenbedankt.android-apt'
apply plugin: 'me.tatarka.retrolambda'

dependencies {
    compile 'org.greenrobot:eventbus:3.0.0'
    apt 'org.greenrobot:eventbus-annotation-processor:3.0.1'
}

apt {
    arguments {
        eventBusIndex "com.example.EventBusAppIndex"
    }
}

Any pointers on what I may be missing?

Thanks a lot for a fantastic library btw. I've used 2.x version extensively in past projects

Source

onomated

Most helpful comment

Finally, I find the reason.
It must have at least one @Subscribe method such as : `

@Subscribe
    public void onEvent(Event event) {}

then build error gone

chufengma on 23 Mar 2016

👍6

All 12 comments

i have the same error

alexliyu on 19 Mar 2016

i have the same error, too

chufengma on 22 Mar 2016

Could you try to narrow this down? E.g. remove retrolambda? Did you try to disable any other annotation processors?

greenrobot on 22 Mar 2016

My error is can not find index class:

project gradle:

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.1.0-alpha2'
        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
    }


}
allprojects {
    repositories {
        jcenter()
    }
}

module gradle:

apply plugin: 'com.android.application'
// apply plugin: 'com.android.databinding'

android {
    compileSdkVersion 22
    buildToolsVersion '23.0.2'

    defaultConfig {
        applicationId "com.onfengma.androidprac"
        minSdkVersion 16
        targetSdkVersion 22
        versionCode 1
        versionName "1"

        // Enabling multidex support.
        multiDexEnabled true
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}
apply plugin: 'com.neenbedankt.android-apt'

apt {
    arguments {
        eventBusIndex "com.onfengma.androidprac.MyEventBusIndex"
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile project(':sdk')
    compile 'org.greenrobot:eventbus:3.0.0'
    apt 'org.greenrobot:eventbus-annotation-processor:3.0.1'

    compile 'com.android.support:appcompat-v7:22.2.0'
    compile 'com.android.support:support-v4:22.2.0'
    compile 'com.android.support:recyclerview-v7:22.2.0'
    compile 'com.android.support:cardview-v7:22.2.0'
    compile 'com.android.support:palette-v7:22.2.0'
    compile 'com.android.support:design:22.2.0'
    compile 'me.imid.swipebacklayout.lib:library:1.0.0'
    compile 'com.mcxiaoke.volley:library:1.0.18'
    compile 'com.jakewharton:butterknife:7.0.1'
    compile 'com.facebook.stetho:stetho:1.1.1'
    compile 'com.facebook.stetho:stetho-okhttp:1.1.1'
    compile 'com.facebook.stetho:stetho-urlconnection:1.1.1'
    compile 'com.squareup.okhttp:okhttp-urlconnection:2.5.0'
    compile 'com.android.support:gridlayout-v7:23.1.0'
}

MainApplication:

public class MainApplication extends Application {
    @Override
    public void onCreate() {
        super.onCreate();
//        Stetho.initialize(
//                Stetho.newInitializerBuilder(this)
//                        .enableDumpapp(Stetho.defaultDumperPluginsProvider(this))
//                        .enableWebKitInspector(Stetho.defaultInspectorModulesProvider(this))
//                        .build());
        EventBus.builder().addIndex(new MyEventBusIndex()).installDefaultEventBus();
    }
}

And MyEventBusIndex not exist at bulid time and show :
warning: The following options were not recognized by any processor: '[eventBusIndex]'

chufengma on 23 Mar 2016

Finally, I find the reason.
It must have at least one @Subscribe method such as : `

@Subscribe
    public void onEvent(Event event) {}

then build error gone

chufengma on 23 Mar 2016

👍6

Thanks @chufengma that fixed it for me also. Currently bootstrapping a new project and don't have any functionality in. Stubbed this in and got the index built.

onomated on 23 Mar 2016

Added a hint to http://greenrobot.org/eventbus/documentation/faq/ - Thanks!

greenrobot on 8 Apr 2016

i have added all subscribe annotation at onEvent method, but i still see this warning.
it is not an error so that i can continue the building.