Org.JSON.JSONobject Cannot Be Converted to JSONarray in Android

org.json.JSONObject cannot be converted to JSONArray in android

You could try this:

JSONObject object = new JSONObject(result);
JSONArray Jarray  = object.getJSONArray("contacts");

for (int i = 0; i < Jarray.length(); i++) 
{
   JSONObject Jasonobject = Jarray.getJSONObject(i);
}

Value type org.json.JSONObject cannot be converted to JSONArray

You're trying to set the "timeline" value to a JSONArray variable while that value would actually be a JSONObject. Here's a way you can retrieve both the key and value:

JSONObject jsonObject = new JSONObject(response);
JSONObject subObject = jsonObject.getJSONObject("timeline");

// Separate the keys into a JSONArray
JSONArray keys = subObject.names();

// Retrieve the keys and values
for(int i=0; i < keys.length(); i++) {
    String key = keys.getString(i);
    int value = subObject.getInt(key);
            
    Log.d("LOG_TAG", key + " : " + value);
}

JSONObject cannot be converted to JSONArray in android

productdata is not a JSONArray but a JSONObject, so you have to change

JSONArray jsonArray1 = jsonObject.getJSONArray("productdata");

to

JSONObject jsonObject1 = jsonObject.getJSONObjct("productdata");

org.json.JSONObject cannot be converted to JSONArray on my android project

Try this, it will loop through the object based on the keys:

try {
    JSONObject lesMots = response.getJSONObject("lesMots");
    Iterator<?> keys = lesMots.keys();

    while(keys.hasNext()) {
        String key = (String)keys.next();
        if (lesMots.get(key) instanceof JSONObject ) {
            JSONObject obj = (JSONObject) lesMots.get(key);
        }
    }
} catch (JSONException e) {
    e.printStackTrace();
    Toast.makeText(getApplicationContext(), e +"",Toast.LENGTH_LONG).show();
}

org.json.JSONObject cannot be converted to JSONArray

Its clear from error that you are trying to convert Json Object into Json array. That should not.

Here is the code to read your JSON response.

String json = "Assuming that here is your JSON response"; 
try {
    JSONObject parentObject = new JSONObject(json);
    JSONObject userDetails = parentObject.getJSONObject("user_details"); 

    //And then read attributes like             
    String name = userDetails.getString("user_name"); 
    String phone = userDetails.getString("user_phone");
    String id = userDetails.getString("re‌​f_id");

} catch (JSONException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
} 

Above code is for {"user_details":{"user_id":"1","user_name":"chand","user_phone":"9620085675","re‌​f_id":6386}} JSON.

org.json.JSONObject cannot be converted to JSONArray in Android Studio

Your json data is of type JSONObject. The JSONArray you want is nested in it under key "result". You can retrieve it like this

JSONArray ja = new JSONObject(jsonData).getJSONArray("result"));

type org.json.JSONObject cannot be converted to JSONArray Android

valError is not a Array. It is an object. You should get it like

JsonObject jsonValError = jsonObject.getAsJsonObject("valError")

And for that you can get the field username for example like

String username = jsonValError.getString("username")

at response of type org.json.JSONObject cannot be converted to JSONArray

your php file produced a json object, not a json array.

so, try JSONObject arr =object.getJSONObject("response");

By the way, your logcat had already reminded you to treat it as a JSONObject.

org.json.JSONException cannot be converted to JSONArray in android

A JSONArray string is enclosed in [], while a JSONObject string is enclosed in {}. The string you are trying to parse is not a JSONArray - it is a JSONObject, so instead of

JSONArray jsonarray = new JSONArray(response);

you need to use

JSONObject jsonObj = new JSONObject(response);

That's why the error message says type org.json.JSONObject cannot be converted to JSONArray.

Once you have the object, you can get objects or arrays that are nested within in. In this case, your JSON string looks like this:

{"dsdata":{"ttlogin":[{"BundyId":"9090","Name":"IT DEVELOPMENT"}]}}

so if you wanted to get the "ttlogin" array you could use

JSONObject jsonObj = new JSONObject(response);
JSONArray arr = jsonObj.getJSONObject("dsdata").getJSONArray("ttlogin");

Error JSONObject cannot be converted to JSONArray in android?

And I final got it to work this is my current code

 private void insertToDb() throws  JSONException{
        //createJsonArray();
        final String jsonArray = itemSelectedJson.toString().trim();

        StringRequest stringRequest = new StringRequest(Request.Method.POST, INVEST_URL,

           new Response.Listener<String>() {
                @Override
                public void onResponse(String response) {
                    display.setText("This is the "+response);
                    Toast.makeText(AddInvEst.this, "This is the response"+response, Toast.LENGTH_LONG).show();
                    Log.d("RESPONSE", response.toString().trim());
                }
            },
            new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError error) {

                }
            }){
        @Override
        protected Map<String, String> getParams() throws AuthFailureError {

            Map<String,String> params = new HashMap<>();
            params.put(KEY_JSONARRAY,jsonArray);
            return params;
        }
    };

    RequestQueue requestQ =Volley.newRequestQueue(this);
    requestQ.add(stringRequest);

}

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