I made an online music player with PHP code server and I have no problem fetching data in JSON format. I have a problem with the Android side where no data is shown in my recyclerview although I initialized it correctly. Please help me to find out what’s wrong. Here’s my code: MainActivity: ListAd…
Tag: json
In Java, how do I mask values of all the matching keys of a JSON, when the structure of JSON isn’t same?
I’m looking for a way to hide/mask the sensitive details of JSON output coming from a response, like account number. All the answers I got over the web requires me to know the JSON structure before hand. Isn’t there any way to extensively traverse each key and then replace it’s value with re…
org.json.simple.JSONArray cannot be cast to class org.json.simple.JSONObject
I keep getting this error and already searched a lot and cant seem to solve it. Basically i am trying to read a json file and store some of its data in a database. Hope you guys know how to solve this! This json file is from a statistics site and i want to store the most important data in
Trying to search through JSON in Java
I am using the Marvel API to try and get the names of heroes based on what the user has typed inside of the search box. The search functionality works I am pretty sure as it will search through a …
Why Jackson ObjectMapper give me this error converting JSON field into a Date object? Can not deserialize value of type java.util.Date from String
I have this JSON object: that have to be mappend on this DTO class: To do this mapping I am using Jackson ObjectMapper, in this way: When I try to map the JSON dateTime field with the Date dateTime in my DTO class I am obtaining the following exception message: As you can see the value of the dateTime field
Write java class with nested Map to custom json format using Gson
What Java data structure can be used to serialize to the following Json which have a set of child objects? Example: Writing John and Paul can be done by: Map<String,Person> but i cannot figure out how to nest the Child without having the ‘children’ property. Example: I am not sure it is rele…
SpringMVC, why ‘@RequestBody String body’ stops working after adding MappingJackson2HttpMessageConverter
need some help with jackson2 and springMvc. Issue: when adding MappingJackson2HttpMessageConverter jsons fail to parse (previously they did parse) with error below. I have following @Controller method in code: And it have been working just fine until I’ve decided to add MappingJackson2HttpMessageConvert…
Cache-Control : no-cache
I tried to build an app in android studio which does json parsing from a URL server with ports (example: http://xxx.xxx.xxx.xxx:xxxx). So I found 3 methods such as asynctask, volley and okhttp. But the problem is everytime I parse it with these methods, the same exception always occurred. java.net.ProtocalExc…
String to JSONObject troubles
Is the first time I have to make this and I think I’m going to the wrong side. I trying to pass my String to a JSONObject but it’s nothing working. My code is this: The locationObj value after: (The code continue like a String and I don’t know why) The class I’m going to use to map lat…
How to parse JSON data without define array in JSON in Android Studio
I am new in Android I am trying to develop an application which is used to validate ifsc code by entering code in edit text. So in this project, I am using Razorpay JSON to fetch data but when I fetch data it shows in JSON format not readable format. How to convert JSON data in a readable format? My