Baixei o código final do Github e parece estar funcionando porém, ao executar exibe o seguinte erro: 2020-03-25 12:39:03.500 15539-15539/? E/Zygote: isWhitelistProcess - Process is Whitelisted 2020-03-25 12:39:03.502 15539-15539/? E/Zygote: accessInfo : 1 2020-03-25 12:39:03.527 15539-15539/? E/m.alura.estoqu: Unknown bits set in runtime_flags: 0x8000