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upd: описанные ниже проблемы с библиотеками исчезают если правильно прописать для библиотек их зависимости в pom файле

AbstractMethodError when use java 8 default interface methods and implementation in different libs

Proof of concept AbstractMethodError when use java 8 default interface methods and implementation in different libs

image info

steps to reproduce:

  1. Clone the project and build it by with Android Studio.

  2. Make APK. It is important to build apk by Build-Generate Signed Bundle / APK or Build-Build Bundles / APK menu command (not simply run from Android Studio).

  3. Setup apk on a device and run.

  4. Check Logcat for PoC_AME_LOG logs like:

    D/PoC_AME_LOG: call failed = java.lang.AbstractMethodError: abstract method "void com.test.interface lib.ITest.test()"

note:

  • Error occurs when interface and implementation use Java source code and placed in different libraries only
  • If we use Kotlin for interface and implementation the error is disappeared