pull in/rely on exoplayer locally

android/app/build.gradle

@@ -220,6 +220,14 @@ dependencies {
     } else {
         implementation jscFlavor
     }
+
+    implementation(project(":react-native-track-player")) {
+        exclude group:'com.google.android.exoplayer'
+    }
+    implementation project(':exoplayer-library-core')
+    compileOnly project(':exoplayer-library-dash')
+    compileOnly project(':exoplayer-library-hls')
+    compileOnly project(':exoplayer-library-smoothstreaming')
 }
 
 // Run this once to be able to run the application with BUCK

android/gradle.properties

@@ -30,3 +30,7 @@ FLIPPER_VERSION=0.75.1
 # react-native-async-storage next
 AsyncStorage_useNextStorage=true
 AsyncStorage_kotlinVersion=1.4.21
+
+# required to override exoplayer used by react-native-track-player, resolves "abstract method" error
+# see: https://github.com/google/ExoPlayer/issues/6801#issuecomment-574089568
+android.enableDexingArtifactTransform=false

android/settings.gradle

@@ -7,3 +7,6 @@ include ':react-native-fs'
 project(':react-native-fs').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-fs/android')
 apply from: file("../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesSettingsGradle(settings)
 include ':app'
+gradle.ext.exoplayerRoot = '../submodules/ExoPlayer'
+gradle.ext.exoplayerModulePrefix = 'exoplayer-'
+apply from: file("$gradle.ext.exoplayerRoot/core_settings.gradle")