I wrote the game on LibGDX and it's time to embed advertising. Decided to use admob + adcolony. I did everything as written in the instructions . But when you start gradle, an error will occur

Error: Failed to resolve: com.google.ads.mediation: adcolony: 3.1.2.0

here is my build.gradle for the whole project (I didn’t make any changes in other gradle-files)

buildscript { repositories { mavenLocal() mavenCentral() maven { url "https://oss.sonatype.org/content/repositories/snapshots/" } jcenter() } dependencies { classpath 'com.android.tools.build:gradle:2.3.3' classpath 'com.mobidevelop.robovm:robovm-gradle-plugin:2.3.0' } } allprojects { apply plugin: "eclipse" apply plugin: "idea" version = '1.0' ext { appName = "Mechanic World" gdxVersion = '1.9.6' roboVMVersion = '2.3.0' box2DLightsVersion = '1.4' ashleyVersion = '1.7.0' aiVersion = '1.8.0' } repositories { mavenLocal() mavenCentral() maven { url "https://oss.sonatype.org/content/repositories/snapshots/" } maven { url "https://oss.sonatype.org/content/repositories/releases/" } maven { url "https://adcolony.bintray.com/AdColony" } //добавил по инструкции эту строчку } } project(":desktop") { apply plugin: "java" dependencies { compile project(":core") compile "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion" compile "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop" compile "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-desktop" } } project(":android") { apply plugin: "android" configurations { natives } dependencies { compile project(":core") compile "com.badlogicgames.gdx:gdx-backend-android:$gdxVersion" natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-armeabi" natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-armeabi-v7a" natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-arm64-v8a" natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-x86" natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-x86_64" compile "com.badlogicgames.gdx:gdx-box2d:$gdxVersion" natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-armeabi" natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-armeabi-v7a" natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-arm64-v8a" natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-x86" natives "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-x86_64" // и вот эти 4 compile 'com.google.android.gms:play-services-ads:11.0.4' compile 'com.adcolony:sdk:3.1.2' compile 'com.google.ads.mediation:adcolony:3.1.2.0' // эта строчка вызывает проблему compile 'com.android.support:support-annotations:25.3.1' } } project(":ios") { apply plugin: "java" apply plugin: "robovm" dependencies { compile project(":core") compile "com.mobidevelop.robovm:robovm-rt:$roboVMVersion" compile "com.mobidevelop.robovm:robovm-cocoatouch:$roboVMVersion" compile "com.badlogicgames.gdx:gdx-backend-robovm:$gdxVersion" compile "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-ios" compile "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-ios" } } project(":core") { apply plugin: "java" dependencies { compile "com.badlogicgames.gdx:gdx:$gdxVersion" compile "com.badlogicgames.gdx:gdx-box2d:$gdxVersion" } } tasks.eclipse.doLast { delete ".project" } 

    2 answers 2

    Try building Build-> Clean Project.

    If it is still relevant, then you need to add to build.gradle:

     repositories { ... jcenter() }