"Illegal Characters" In URL For HttpGet In Android Get Double-encoded

I am trying to find a solution to this the whole evening now... I write an app which requests data from a web server. The Server answers in JSON format. Everything works well excep

Solution 1:

Update: Sorry, HttpParams isn't meant for request parameters but for configuring HttpClient.

On Android, you might want to use Uri.Builder, like suggested in this other SO answer:

Uri uri = new Uri.Builder()
    .scheme("http")
    .authority("example.com")
    .path("someservlet")
    .appendQueryParameter("param1", foo)
    .appendQueryParameter("param2", bar)
    .build();

HttpGet request = new HttpGet(uri.toString());

// This looks very tempting but does NOT set request parameters
// but just HttpClient configuration parameters:
// HttpParams params = new BasicHttpParams();
// params.setParameter("q", query);
// request.setParams(params);

HttpResponse response = defaultClient.execute(request);
String json = EntityUtils.toString(response.getEntity());

Outside of Android, your best bet is building the query string manually (with all the encoding hassles) or finding something similar to Android's Uri.Builder.

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