Getting String Value from Json Object Android

Question

I am beginner in Android  In my Project  I am getting the Following json from the HTTP Response      Date   2012-1-4T00 00 00    keywords  null   NeededString   this is the sample string I am needed for my project    others   not needed      I want to get the  NeededString  from the above json  How to get it

User · Answer

Please see my answer below  inspired by answers above but a bit more detailed        Get The Json Response  With Try Catch  try        String s   null       if  response body      null             s   response body   string                Convert Response Into Json Object  With Try Catch          JSONObject json   null           try               json   new JSONObject s                   Extract The User Id From Json Object  With Try Catch              String stringToExtract   null               try                   stringToExtract   json getString  NeededString                   catch  JSONException e                    e printStackTrace                             catch  JSONException e                e printStackTrace                        catch  IOException e        e printStackTrace

User · Answer

Include org json jsonobject in your project   You can then do this   JSONObject jresponse   new JSONObject responseString   responseString   jresponse getString  NeededString      Assuming  responseString holds the response you receive   If you need to know how to convert the received response to a String  here s how to do it   ByteArrayOutputStream out   new ByteArrayOutputStream    response getEntity   writeTo out   out close    String responseString   out toString

User · Answer

Here is the solution I used for me Is works for fetching JSON from string  protected String getJSONFromString String stringJSONArray  throws JSONException           return new StringBuffer                 new JSONArray stringJSONArray  getJSONObject 0  getString  cartype                        append                          append                 new JSONArray employeeID  getJSONObject 0  getString  model                   toString

User · Answer

Here is the code   to get element from ResponseEntity   try               final ResponseEntity lt String gt  responseEntity   restTemplate exchange API URL  HttpMethod POST  entity  String class               log info  responseEntity  responseEntity               final JSONObject jsonObject                if  responseEntity getStatusCode      HttpStatus CREATED                    try                       jsonObject   new JSONObject responseEntity getBody                         final String strName   jsonObject getString  name                        log info  name   strName                     catch  JSONException e                        throw new RuntimeException  JSONException occurred                                             catch  HttpStatusCodeException exception                int statusCode   exception getStatusCode   value                log info  statusCode   statusCode

User · Answer

This might help you  Java  JSONArray arr   new JSONArray result   JSONObject jObj   arr getJSONObject 0   String date   jObj getString  quot NeededString quot     Kotlin  val jsonArray   JSONArray result  val jsonObject  JSONObject   jsonArray getJSONObject 0  val date  jsonObject get  quot NeededString quot     getJSONObject index   In above example 0 represents index

User · Answer

i think its helpfull to you                  JSONArray jre   objJson getJSONArray  Result                     for  int j   0  j  lt  jre length    j                          JSONObject jobject   jre getJSONObject j                        String  date   jobject getString  Date                        String  keywords jobject getString  keywords                        String  needed jobject getString  NeededString

User · Answer

You just need to get the JSONArray and iterate the JSONObject inside the Array using a loop though in your case its only one JSONObject but you may have more   JSONArray mArray          try               mArray   new JSONArray responseString                for  int i   0  i  lt  mArray length    i                          JSONObject mJsonObject   mArray getJSONObject i                       Log d  OutPut   mJsonObject getString  NeededString                                 catch  JSONException e                e printStackTrace

User · Answer

You can use getString  String name   jsonObject getString  name       it will throws exception if the key you specify doesn t exist   or optString  String name   jsonObject optString  name       it will returns the empty string      if the key you specify doesn t exist

User · Answer

If you can use JSONObject library  you could just      JSONArray ja   new JSONArray      Date     2012-1-4T00 00 00     keywords   null   NeededString     this is the sample string I am needed for my project     others     not needed            String result   ja getJSONObject 0  getString  NeededString

[android] Getting String Value from Json Object Android

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