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  • I've the same error-message some minutes ago: > Unsupported class file major version 57 The issue for me was, that gradle doesn't work with current openJdk13 on Linux (I use Manjaro... an Arch-Like Linux). So to fix this, I've done this: I've checked which Java version I've installed at my pc, and choosed the version 8: sudo archlinux-java stauts sudo archlinux-java set java-8-openjdk Maybe this helping you out, even If your system seems to be windows. So try another SDK Version. Maybe it also solve your issue. Commented Jan 10, 2020 at 10:18
  • Hi @suther, many thanks for your reply, I have find the root cause and fixed, I don't think it is because of JAVA version. But as I described "gradlew clean" is not equal to "ADT clean". My fix was simply do "gradlew :app:dependencies", this will generate resource IDs from gradle configuration files. Commented Jan 12, 2020 at 13:09