I have made a php script inside localhost and I am connecting that with httpClient but I am getting a problem.

Please tell me how can I connect to a php file at localhost from the emulator?

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7 Answers

Use 10.0.2.2 to access your actual machine.

As you've learned, when you use the emulator, localhost (127.0.0.1) refers to the device's own loopback service, not the one on your machine as you may expect.

You can use 10.0.2.2 to access your actual machine, it is an alias set up to help in development.

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Use 10.0.2.2 for default AVD and 10.0.3.2 for Genymotion

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Thanks, @lampShaded for your answer.

In your API/URL directly use port]/ and under emulator setting add the proxy address as 10.0.2.2 with the port number. For more, you can visit:

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This is what finally worked for me.

  • Backend running on localhost:8080
  • Fetch your IP address (ipconfig on Windows)

enter image description here

  • Configure your Android emulator's proxy to use your IP address as host name and the port your backend is running on as port (in my case: 192.168.1.86:8080 enter image description here

  • Have your Android app send requests to the same URL (192.168.1.86:8080) (sending requests to localhost, and did not work for me)

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Thanks to author of this blog:

Defining network security config in xml

<network-security-config> <domain-config cleartextTrafficPermitted="true"> <domain includeSubdomains="true">10.0.2.2</domain> </domain-config> </network-security-config>

And setting it on AndroidManifest.xml

 <application android:networkSecurityConfig="@xml/network_security_config" </application>

Solved issue for me!

Please refer:

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you should change the adb port with this command:

adb reverse tcp:8880 tcp:8880; adb reverse tcp:8081 tcp:8081; adb reverse tcp:8881 tcp:8881
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Instead of giving localhost give the IP.

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