Estou utilizando a versão "0.61.5" do react native, fiz todas as tentativas possíveis, porém o mesmo warning abaixo é retornado no Android:
Possible Unhandled Promise Rejection (id: 0):
TypeError: Network request failed
onerror@http://localhost:8081/index.bundle?platform=android&dev=true&minify=false:26705:31
dispatchEvent@http://localhost:8081/index.bundle?platform=android&dev=true&minify=false:32259:31
setReadyState@http://localhost:8081/index.bundle?platform=android&dev=true&minify=false:31343:33
__didCompleteResponse@http://localhost:8081/index.bundle?platform=android&dev=true&minify=false:31170:29
emit@http://localhost:8081/index.bundle?platform=android&dev=true&minify=false:3318:42
__callFunction@http://localhost:8081/index.bundle?platform=android&dev=true&minify=false:2650:49
http://localhost:8081/index.bundle?platform=android&dev=true&minify=false:2363:31
__guard@http://localhost:8081/index.bundle?platform=android&dev=true&minify=false:2604:15
callFunctionReturnFlushedQueue@http://localhost:8081/index.bundle?platform=android&dev=true&minify=false:2362:21
callFunctionReturnFlushedQueue@[native code]