Problems with HTTP POST request for JSON object for content-type in Android

Question

The following is my code for a HTTP POST request in an Android device running Android 4.1.2. I have question:

This code works perfectly on a Samsung device whereas it is giving "Content-type is not application/json" on an HTC device.

public static String POST(String url, JSONObject obj) { Log.i("JSONPOSTBEGIN", "Beginning of JSON POST"); InputStream inputStream = null; String result = "";

HttpClient httpclient = new DefaultHttpClient();

try {
    HttpPost post = new HttpPost(url);
    post.setHeader("Content-type", "application/json");
    post.setHeader("Accept", "application/json");

    StringEntity se = new StringEntity(obj.toString()); 
    se.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE, "application/json"));
    post.setEntity(se);

    HttpResponse httpResponse = mHhttpclient.execute(post);

    // receive response as inputStream
    inputStream = httpResponse.getEntity().getContent();

    // convert inputstream to string
    if(inputStream != null) {
        result = convertInputStreamToString(inputStream);
    } else
        result = "Did not work!";
} catch (Exception e) {
    Log.d("InputStream", e.getLocalizedMessage());
}
Log.i("JSONPOSTEND", "End of JSON data post methos...");
return result;

}

Lena Bru · Accepted Answer · 2014-07-18 13:17:13Z

0

For it to work on HTC and all devices, you must do this

private static HttpEntity getHttpEntity(String stringEntity) {
    HttpEntity entity = null;
    try {
        entity = new StringEntity(stringEntity, HTTP.UTF_8);
        ((StringEntity) entity).setContentType("application/json;charset=UTF-8");
        ((StringEntity) entity).setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE, "application/json;charset=UTF-8"));

    } catch (Exception e) {
        Log.d("error creating entity: " + stringEntity);
    }
    return entity;
}

answered Jul 18, 2014 at 13:17

Lena Bru

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Community · Accepted Answer · 2017-05-23 11:57:44Z

0

Note that headers are likely being set by this

new HttpPost(url);

and that before you add new headers like for "content-type" you may have to call remove header (Content-type) first....

you need logging to figure it all out.for more on that see accepted ans here

and get WIRE & HEADER logging up in your test environment

edited May 23, 2017 at 11:57

CommunityBot

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answered Jul 19, 2014 at 0:38

Robert Rowntree

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