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convert json to arraylist java

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Blue Bat answered on May 4, 2020 Popularity 7/10 Helpfulness 1/10

answer convert json to arraylist java

related How to transform arraylist to json array in java

related arraylist to json array

convert json to arraylist java

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-1

// Top of file
import java.lang.reflect.Type;

// ...

private void parseJSON() {
    Gson gson = new Gson();
    Type type = new TypeToken<List<ContactModel>>(){}.getType();
    List<ContactModel> contactList = gson.fromJson(jsonString, type);
    for (ContactModel contact : contactList){
        Log.i("Contact Details", contact.id + "-" + contact.name + "-" + contact.email);
    }
}

Popularity 7/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: arraylist java javascript json

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Contributed on May 04 2020

Blue Bat

0 Answers Avg Quality 2/10

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How to transform arraylist to json array in java

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JSONObject jsonObject = new JSONObject();
    try {
 
      //Settings up array
      JSONArray jArry = new JSONArray();
    
      //this arraylist is contains of arraylist with tagIDs
      ArrayList<InventoryListItem> arr = Application.tagsReadInventory;
    
      int position = 0;
    
      //this arraylist is where i put my collected tagIDs from "Application.tagsReadInventory"
      ArrayList<String> tagIDs = new ArrayList<>();
  
      //looping to get tagIDs from "Application.tagsReadInventory" and put it in tagIDs arraylist
       for (position = 0; position < arr.size(); position++) {                        
           tagIDs.add(arr.get(position).getTagID());
       }
    
       //get each of the list inside tagIDs arraylist
       for (String tags : tagIDs) {
           JSONObject jObj = new JSONObject();
           jObj.put("epc",tags);
           jObj.put("antennaPort", 1);
           jArry.put(jObj);
       }
    
     jsonObject.put("reader_name", ReaderIP);
     jsonObject.put("mac_address", "asd");
     jsonObject.put("tag_reads", jArry);
    
  } catch (JSONException e) {
        e.printStackTrace();
  }

Popularity 9/10 Helpfulness 4/10 Language whatever

Source: stackoverflow.com

Tags: arraylist arra

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Contributed on Sep 22 2022

Christian Medalla

0 Answers Avg Quality 2/10

arraylist to json array

Comment

-2

ArrayList<String> list = new ArrayList<String>();
list.add("foo");
list.add("baar");
JSONArray jsArray = new JSONArray(list);

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: arraylist arra

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Contributed on Dec 19 2020

Adventurous Anteater

0 Answers Avg Quality 2/10

convert json to arraylist java

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convert json to arraylist java

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