Android HTTP Connection refused

Question

I am trying to access from an Android device over WiFi a local web server which I can access from my laptop either on the browser, or using curl. I can also access the server on the android device browser.

The code I am using to access the server yields a "connection refused" exception.

This is the code:

public void getController1() {
  HttpClient httpclient = new DefaultHttpClient();
  HttpGet httpget = new HttpGet("http://192.168.1.169:8000");
  HttpResponse response = null;
  System.out.println(httpget.toString());
  try {
    response= httpclient.execute(httpget);
    txtViewStatus.setText("Controller 1 - OK"+response);
  } catch(Exception e) {
    e.printStackTrace();
    txtViewStatus.setText("Controller 1 - Error"+e);
  }
}

to be clear, you can access `192.168.1.169:8000` from the browser of the device that gives you `connection refused`? — KevinDTimm, Feb 27 '12 at 17:09
Yes, I can access the server from the device browser that give the connection refused. — Tori, Feb 27 '12 at 17:11
It's your webserver that does not like your request. Might be caused by not specifying a user-agent. You could try it with `HttpClient httpClient = AndroidHttpClient.newInstance("Android")` which will set that to "Android" and also have some nicer defaults than the `DefaultHttpClient` — zapl, Feb 27 '12 at 17:23
Same behavior using the AndroidHttpClient instead of the DefaultHttpClient — Tori, Feb 27 '12 at 18:00
Problem solved. The issue was a corrupted manifest file. I deleted the permission lines and re-typed them in and now the problem is gone. — Tori, Feb 27 '12 at 18:48

score 24 · Accepted Answer · answered Feb 27 '12 at 20:38

24

Problem solved. The issue was a corrupted manifest file. I deleted the permission lines and re-typed them in and now the problem is gone

answered Feb 27 '12 at 20:38

Tori

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Another common cause of this issue is having a proxy turned on. Make sure there is no proxy enabled on your device too. – portfoliobuilder Sep 17 '15 at 00:15

score 9 · Answer 2 · answered Apr 05 '13 at 00:57

I was missing permission; you should check manifest file

 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
 <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
 <uses-permission android:name="android.permission.INTERNET"></uses-permission>
 <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
 <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>    
 <uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />

you could simplify requesting the permissions if you write out ` — kyle k, Sep 11 '13 at 00:27

score 4 · Answer 3 · answered Dec 11 '13 at 12:02

4

Check your internet connection strength.

For my case the network connection is low so this error thrown.

answered Dec 11 '13 at 12:02

Sampath Kumar

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thanks mate, my wifi was off. could've spent hours debugging – DoruChidean Oct 01 '15 at 11:49
when googling on the same device where the studio is running. – RelaxedSoul Apr 12 '20 at 14:05

r-magalhaes · Answer 4 · 2013-12-18T11:42:35.813

3

Past this to your manifest file:

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

edited Dec 18 '13 at 11:42

answered Dec 18 '13 at 10:16

r-magalhaes

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1

Please add a little more explanation and, if possible, documentation links. – arne Dec 18 '13 at 10:38

score 1 · Answer 5 · edited May 23 '17 at 10:31

1

Can it be because you're using a proxy? The proxy issue is discussed in Android HttpClient Doesn't Use System Proxy Settings (see the answer by CommonsWare).

edited May 23 '17 at 10:31

Community

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1

answered Feb 27 '12 at 18:16

Alexander Kulyakhtin

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score 0 · Answer 6 · answered Dec 06 '16 at 19:17

you should enable pc suite in android device :

1: set http url in android app e.g ("http://192.168.1.100:81/api/droid/getdata")
laptop or pc wifi ip is (192.168.1.100)
2: connect android device to pc or laptop in usb port
3: goto this setting in android device setting -> more -> Tethering and portable hotspot -> pc suite(HiSuite)
4: run android app

this work good

Android HTTP Connection refused

6 Answers6

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