grpc-kotlin-android sample.
https://github.com/takagisou/helloworld-tonic
-
Run Server
-
Install ngrok
-
Run
ngrok tcp 50051
on local machine. -
copy proto files to
src/main/proto
. -
set ngork host and port here.
-
Run app.
Host 10.0.2.2
is not working.
io.grpc.StatusException: UNIMPLEMENTED
Similar error occured on grpc-kotlin.
$ ./client/build/install/client/bin/hello-world-client
Exception in thread "main" io.grpc.StatusException: UNIMPLEMENTED
at io.grpc.Status.asException(Status.java:549)
at io.grpc.kotlin.ClientCalls$rpcImpl$1$1$1.onClose(ClientCalls.kt:295)
at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:413)
at io.grpc.internal.ClientCallImpl.access$500(ClientCallImpl.java:66)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:742)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:721)
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:835)
$
I dont't know why the error occurs.
https://github.com/grpc/grpc-kotlin
https://mizunashi-mana.github.io/blog/posts/2020/04/kotlin-android-grpc/