Advertisements Giving a string, I’d like to format it as json string with Gson. What I expect is from "email" to get "{"email" : "$email"}" I can obviously do fun serializeUserEmail(email: String): String { return "{\"email\" : \"$email\"}" } and this is what I’m currently doing, and of course I could also create an "Email"… Read More Android Kotlin: Serialize string to json string with Gson
Advertisements I have encountered a problem when I want to fetch my data to recyclerview using Java, and resulting in the problem: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_OBJECT but was BEGIN_ARRAY at line 1 column 2 path $ My API Response : [ { "id": "1", "type": "Barang Elektronik", "payment_method": "Cash", "price": "500000", "date": "2023-07-11 00:00:00", "detail":… Read More How to fix Expected BEGIN_OBJECT but was BEGIN_ARRAY at line 1 column 2 path $
Advertisements I am self-learned beginner in Java coding so please be understanding. I am writing REST api app that at some point expects to get such response from server: [ { "success": { "/config/linkbutton": true } } ] Normally I would create specific object with field named after my expected response and I would map… Read More How to map JSON object with slashes in field name?
Advertisements I have a a JSON string as : { "personId": "person1", "userId": "user1" "details": [ { "homeId": "home1", "expireAt": "2023-03-08T15:17:04.506Z" } ] } And @Data @Builder public class MyResponse { private String personId; private String userId; private List<Details> details; } @Data @Builder public class Details { private String homeId; private Instant expireAt; } I… Read More How to deserialize String to java Instant
Advertisements I want to convert JSON response to Map what is the best approach to get the desired output using GSON library. I try this and I’m getting only the ArrayList value. Map<String, Object> map = gson.fromJson(response, HashMap.class); ArrayList responseOptions = (ArrayList) map.get("data"); output: [{language=Java, value=8}, {language=Ruby, value=7}, {language=Python, value=7}] Sample JSON Response { "data":[… Read More Convert JSON to MAP using GSON library
Advertisements I’m trying to write a JSON file with GSON in the resources folder without using src/main/resources: package repository; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import com.google.gson.reflect.TypeToken; import org.tinylog.Logger; import java.io.*; import java.util.List; public class GsonRepository<T> extends Repository<T> { private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create(); public GsonRepository(Class<T> elementType) { super(elementType); } public void saveToFile(String resourceName)… Read More How do I write a JSON file using GSON in the resources folder without using src/main/resources?
Advertisements I am in the situation where I start a new view but in its controller i make a request to server to get some objects. This request takes some time so i want to implement a little loading view during this waiting time. So, in my controller i implemented a Service Object to make… Read More Java how to close a stage from Service Object
Advertisements I have this song lyrics app, the problem is the spinner does not remove after the api fetch. it is like javascript does not detect the spinner already exist, but it exist! when I call the remove function. If I remove the conditional: if(spinnerHtml) { spinnerHtml.remove(); }; and only leave this: spinnerHtml.remove(); so I… Read More The spinner does not remove after fetch api
Advertisements When i’m trying to convert an object in my Android App to a Json i get the following error: class android.content.res.ColorStateList declares multiple JSON fields named mChangingConfigurations The issue is that in some devices all is working GSON version: implementation ‘com.google.code.gson:gson:2.9.0’ implementation ‘com.squareup.retrofit2:converter-gson:2.9.0′ While the code i’m trying to convert the object is the… Read More Unable to convert class to JSON using GSON
Advertisements I’m trying to deserialize a nested array from a JSON response. It’s the first time I’ve ever gotten an array of arrays and I’m not quite sure how to structure my class to handle it. { "prices": [ [ 1641670404234, 0.01582586939240936 ], [ 1641674037525, 0.015999047707867396 ], [ 1641677655158, 0.016072905257982606 ] … ], } If… Read More How to structure class for deserializing this nested array?