JSON Serialize Object Array Android

Question

I have a very simple Object Array

Object[] args = new Object[] {"002"};

My goal is to JSON serialize this Object Array in Android and get the result as a byte array. There are two classes for JSON Serialization in Android. JSONArray and JSONObject. Which class should I use?

Spefically I am not sure how to use the

JSONObject json = new JSONObject();
json.put("key", "value");

routine in this case.

Remco · Accepted Answer · 2016-03-10 12:55:33Z

1

You should use a JSONArray for this

JSONArray jsonArray = new JSONArray();
jsonArray.put("002");
byte[] bytes = jsonArray.toString().getBytes()

answered Mar 10, 2016 at 12:55

Remco

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3 Comments

Gravity Over a year ago

can I also do jsonArray.put(new Object[] {"002"}); would it have the same effect?

Remco Over a year ago

No, see the description on the value parameter here for the allowed arghements [linl](developer.android.com/reference/org/json/JSONArray.html#put(int, java.lang.Object))

Remco Over a year ago

You can however pass an Object array containing just boxed primitives or Strings as an argument to the constructor of JSONArray(). new JSONArray(new Object[]{"002"}).toString() would result in ["002"]

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