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I'm working on a react native app from a windows 10 computer. I installed WSL, set up my backend needs on it, and I can see my api responding on localhost from windows, no problem on that end.

Now I would like to call it from my mobile app - both from an android emulator using Android Studio and from my physical android device (using Expo) connected to the same local network over wifi.

Using Ngrok it could work, exposing my localhost to a public url, but that's not what I'm looking for. I want it all to remain local if possible. My pc's local ipv4 is 10.0.0.8, but nothing comes out on that address (not from the mobile app neither from my desktop browser, which works on localhost).

My Ubuntu inside WSL says:

~$ cat /etc/hosts

This file was automatically generated by WSL. To stop automatic generation of this file, add the following entry to /etc/wsl.conf:


[network]


generateHosts = false


127.0.0.1       localhost
127.0.1.1       JB-PC.localdomain       JB-PC


The following lines are desirable for IPv6 capable hosts


::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

My ipconfig:

Carte Ethernet Ethernet :

Suffixe DNS propre à la connexion. . . : Home
   Adresse IPv6 de liaison locale. . . . .: fe80::f04e:ae2b:40b9:3d82%6
   Adresse IPv4. . . . . . . . . . . . . .: 10.0.0.8
   Masque de sous-réseau. . . . . . . . . : 255.255.255.0
   Passerelle par défaut. . . . . . . . . : 10.0.0.138


Carte Ethernet vEthernet (WSL) :


Suffixe DNS propre à la connexion. . . :
   Adresse IPv6 de liaison locale. . . . .: fe80::68c3:25c9:588a:a957%17
   Adresse IPv4. . . . . . . . . . . . . .: 172.20.32.1
   Masque de sous-réseau. . . . . . . . . : 255.255.240.0
   Passerelle par défaut. . . . . . . . . :

What IP address and what port should I use to access the API from the phone or the emulators? Also, is there something else I need to do on my ubuntu to expose it so it's usable?

Jeremy Belolo
  • 151

0 Answers0