gomobile socket permissions

[Dan Ballard]

StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
Socket socket = new Socket("127.0.0.1", 5051);

Works, no error. When I then:

GoRicochetMobile.echoBot(privateKey);

I get:

08-15 08:24:27.441 26959-26959/? I/GoLog: error setting up onion service: dial tcp4 127.0.0.1:9051: getsockopt: connection refused

Has any one had anyluck getting go code to make network connections on Android?

[Elias Naur]

I've only had problems when I forgot to ask for android.permission.INTERNET whic I assume you have. Can you post a more complete program that demonstrates the problem?

 - elias

[Dan Ballard]

https://github.com/dballard/AndroidOD is the Java side

Manifest
https://github.com/dballard/AndroidOD/blob/master/app/src/main/AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
 package="im.ricochet.androidod">

 <uses-permission android:name="android.permission.INTERNET" />
 <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

Connect Activity
https://github.com/dballard/AndroidOD/blob/master/app/src/main/java/im/ricochet/androidod/ConnectActivity.java

Where the previous snippets are from setting the policy, opening a socket in java and calling go

The Go code it calls is a simple wrapper:
https://github.com/dballard/goRicochetMobile/blob/master/goRicochetMobile.go

of
https://github.com/s-rah/go-ricochet

The actual connection should be happening in
https://github.com/s-rah/go-ricochet/blob/master/vendor/github.com/yawning/bulb/conn.go
Dial() at line 214

[Elias Naur]

Hi,

Have you tried the golang.org/x/mobile/example/network example? It's a "pure" Go app that doesn't use Java bindings, but its network access properties should be the same.

If that works, you could modify golang.org/x/mobile/example/bind to introduce a simple http.Get (or net.Dial) and see if that works. If so, you have a basis for bisection.

 - elias

[Dan Ballard]

Hey thanks! I got it to work!

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