Sending a JSON HTTP POST request from Android

Question

I m using the code below to send an http POST request which sends an object to a WCF service  This works ok  but what happens if my WCF service needs also other parameters  How can I send them from my Android client     This is the code I ve written so far   StringBuilder sb   new StringBuilder       String http    http   android schoolportal gr Service svc SaveValues       HttpURLConnection urlConnection null    try         URL url   new URL http         urlConnection    HttpURLConnection  url openConnection        urlConnection setDoOutput true          urlConnection setRequestMethod  POST          urlConnection setUseCaches false         urlConnection setConnectTimeout 10000         urlConnection setReadTimeout 10000         urlConnection setRequestProperty  Content-Type   application json            urlConnection setRequestProperty  Host    android schoolportal gr        urlConnection connect             Create JSONObject here     JSONObject jsonParam   new JSONObject        jsonParam put  ID    25        jsonParam put  description    Real        jsonParam put  enable    true        OutputStreamWriter out   new   OutputStreamWriter urlConnection getOutputStream         out write jsonParam toString         out close           int HttpResult  urlConnection getResponseCode          if HttpResult   HttpURLConnection HTTP OK             BufferedReader br   new BufferedReader new InputStreamReader                urlConnection getInputStream    utf-8               String line   null            while   line   br readLine       null                  sb append line     n                          br close               System out println    sb toString             else                System out println urlConnection getResponseMessage                 catch  MalformedURLException e                e printStackTrace          catch  IOException e           e printStackTrace            catch  JSONException e           TODO Auto-generated catch block     e printStackTrace     finally        if urlConnection  null        urlConnection disconnect

User · Accepted Answer

Posting parameters Using POST -  URL url  URLConnection urlConn  DataOutputStream printout  DataInputStream  input  url   new URL  getCodeBase   toString      env tcgi    urlConn   url openConnection    urlConn setDoInput  true   urlConn setDoOutput  true   urlConn setUseCaches  false   urlConn setRequestProperty  Content-Type   application json       urlConn setRequestProperty  Host    android schoolportal gr    urlConn connect        Create JSONObject here JSONObject jsonParam   new JSONObject    jsonParam put  ID    25    jsonParam put  description    Real    jsonParam put  enable    true      The part which you missed is in the the following    i e   as follows       Send POST output  printout   new DataOutputStream urlConn getOutputStream      printout writeBytes URLEncoder encode jsonParam toString    UTF-8     printout flush     printout close       The rest of the thing you can do it

User · Answer

try some thing  like blow   SString otherParametersUrServiceNeed     Company acompany amp Lng test amp MainPeriod test amp UserID 123 amp CourseDate 8 10 10   String request    http   android schoolportal gr Service svc SaveValues    URL url   new URL request    HttpURLConnection connection    HttpURLConnection  url openConnection       connection setDoOutput true   connection setDoInput true   connection setInstanceFollowRedirects false    connection setRequestMethod  POST     connection setRequestProperty  Content-Type    application x-www-form-urlencoded     connection setRequestProperty  charset    utf-8    connection setRequestProperty  Content-Length        Integer toString otherParametersUrServiceNeed getBytes   length    connection setUseCaches  false    DataOutputStream wr   new DataOutputStream connection getOutputStream      wr writeBytes otherParametersUrServiceNeed       JSONObject jsonParam   new JSONObject    jsonParam put  ID    25    jsonParam put  description    Real    jsonParam put  enable    true     wr writeBytes jsonParam toString      wr flush    wr close      References     http   www xyzws com Javafaq how-to-use-httpurlconnection-post-data-to-web-server 139 Java - sending HTTP parameters via POST method easily

[java] Sending a JSON HTTP POST request from Android

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