How to Get JSON Array Within JSON Object

Question

This is my JSON           data                            id   1               Name    Choc Cake                Image    1 jpg                Category    Meal                Method                    Ingredients                                            name    1 Cup Ice                                                            name    1 Bag Beans                                                                    id   2               Name    Ice Cake                Image    dfdsfdsfsdfdfdsf jpg                Category    Meal                Method                    Ingredients                                            name    1 Cup Ice                                                      And this is how I am getting the id and name  you can see this part works fine in returning JSON values that are not array values     getting whole json string JSONObject jsonObj   new JSONObject jsonStr      extracting data array from json string JSONArray ja data   jsonObj getJSONArray  data    int length   jsonObj  length        loop to get all json objects from data json array for int i 0  i lt length  i           JSONObject jObj   ja data getJSONObject i       Toast makeText this  jObj getString  Name    Toast LENGTH LONG  show            getting inner array Ingredients     JSONArray ja   jObj getJSONArray  Ingredients        int len   ja length           Now i m trying to get the values from the ingredients array and I am not sure how to get them  This is what I have been trying thus far     getting whole json string JSONObject jsonObj   new JSONObject jsonStr      extracting data array from json string JSONArray ja data   jsonObj getJSONArray  data    int length   jsonObj  length        loop to get all json objects from data json array for int i 0  i lt length  i           JSONObject jObj   ja data getJSONObject i       Toast makeText this  jObj getString  Name    Toast LENGTH LONG  show            getting inner array Ingredients     JSONArray ja   jObj getJSONArray  Ingredients        int len   ja length            getting json objects from Ingredients json array     for int j 0  j lt len  j                  JSONObject json   ja getJSONObject j           Toast makeText this  json getString  name    Toast LENGTH LONG  show               But doing it this way is not working  how can I get it to work

User · Answer

JSONObject jsonObject  new JSONObject jsonStr   JSONArray jsonArray   jsonObject getJSONArray  data    for int i 0 i lt jsonArray length i         JSONObject json   jsonArray getJSONObject i       String id   json getString  id        String name json getString  name        JSONArray ingArray   json getJSONArray  Ingredients      here you are going   to get ingredients     for int j 0 j lt ingArray length j             JSONObject ingredObject  ingArray getJSONObject j           String ingName   ingredObject getString  name     so you are going to get   ingredient name         Log e  name  ingName      you will get

User · Answer

JSONObject jsonObj   new JSONObject jsonString    JSONArray jArray   jsonObj getJSONArray  data    int length   jArray length        for int i 0  i lt length  i                    JSONObject jObj   jArray getJSONObject i           String id   jObj optString  id            String name jObj optString  name             JSONArray ingredientArray   jObj getJSONArray  Ingredients            int size   ingredientArray length            ArrayList lt String gt  Ingredients   new ArrayList lt  gt                  for int j 0  j lt size  j                                         JSONObject json   ja getJSONObject j                       Ingredients add json optString  name

User · Answer

Solved  use array list of string to get name from Ingredients  Use below code   JSONObject jsonObj   new JSONObject jsonStr      extracting data array from json string JSONArray ja data   jsonObj getJSONArray  data    int length   ja data length       loop to get all json objects from data json array for int i 0  i lt length  i         JSONObject jObj   ja data getJSONObject i       Toast makeText this  jObj getString  Name    Toast LENGTH LONG  show           getting inner array Ingredients     JSONArray ja   jObj getJSONArray  Ingredients        int len   ja length        ArrayList lt String gt  Ingredients names   new ArrayList lt  gt         for int j 0  j lt len  j             JSONObject json   ja getJSONObject j           Ingredients names add json getString  name

User · Answer

Your int length   jsonObj length    should be int length   ja data length

User · Answer

Gson gson   new Gson                    Type listType   new TypeToken lt List lt Data gt  gt       getType                    List lt Data gt      cartProductList   gson fromJson response body   get  data    listType                   Toast makeText getContext       cartProductList get 0  getCity    Toast LENGTH SHORT  show

User · Answer

I guess this will help you   JSONObject jsonObj   new JSONObject jsonStr    JSONArray ja data   jsonObj getJSONArray  data    int length   jsonObj length    for int i 0  i lt length  i        JSONObject jsonObj   ja data getJSONObject i     Toast makeText this  jsonObj getString  Name    Toast LENGTH LONG  show          getting inner array Ingredients   JSONArray ja   jsonObj getJSONArray  Ingredients      int len   ja length       ArrayList lt String gt  Ingredients names   new ArrayList lt  gt       for int j 0  j lt len  j          JSONObject json   ja getJSONObject j       Ingredients names add json getString  name

[java] How to Get JSON Array Within JSON Object?

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