missing new module

Author: LikhanovD

app/build.gradle

@@ -44,7 +44,7 @@ dependencies {
     implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
     implementation 'io.reactivex.rxjava2:rxjava:2.2.8'
     implementation project(":radioplayer")
-    api project(":startrek-player")
+    implementation project(":startrek-player")
 
     //SOCKET IO
     implementation('io.socket:socket.io-client:1.0.0') {

radioplayer/build.gradle

@@ -3,6 +3,8 @@ apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
 
+group='com.github.volga-volga'
+
 android {
     compileSdkVersion 29
     buildToolsVersion "29.0.0"
@@ -49,7 +51,7 @@ dependencies {
     implementation 'io.reactivex.rxjava2:rxjava:2.2.8'
     implementation 'com.android.support:multidex:1.0.3'
 
-    api project(":startrek-player")
+    implementation project(":startrek-player")
 }
 repositories {
     mavenCentral()

startrek-player/build.gradle

@@ -1,5 +1,7 @@
 apply plugin: 'com.android.library'
 
+group='com.github.volga-volga'
+
 android {
     compileSdkVersion 29
     buildToolsVersion "29.0.0"