嵌套JSON的POJO格式？

您可以尝试以下代码，使用Gson库将json字符串转换为具有必填字段的Pojo对象。

Gson gson = new Gson();JsonArray jsonArray = gson.fromJson (jsonString, JsonElement.class).getAsJsonArray(); // Convert the Json string to JsonArrayJsonObject jsonObj = jsonArray.get(0).getAsJsonObject(); //Get the first element of array and convert it to Json objectPojo pojo = gson.fromJson(jsonObj.get("data").toString(), Pojo.class); //Get the data property from json object and convert it to Pojo object

或者，您可以定义嵌套的Pojo类来解析它。

class Pojo{    private String item1;    private String item2;    //Setters and Getters}class Data{    private Pojo data;    //Setters and Getters}ArrayList<Data> yourArray = new Gson().fromJson(jsonString, new TypeToken<List<Data>>(){}.getType());

编辑：尝试下面的代码以使用Retrofit获得value1和value2。

class Pojo{    private String item1;    private String item2;    //Setters and Getters}class Data{    private Pojo data;    //Setters and Getters}class MyData{    private ArrayList<Data> dataList;    //Setters and Getters}IService service = restAdapter.create(IService.class);MyData data = service.getData();ArrayList<Data> list = data.getDataList(); // Retrive arraylist from MyDataData obj = list.get(0); // Get first element from arraylistPojo pojo = obj.getData(); // Get pojo from DataLog.e("pojo", pojo.item1 + ", " + pojo.item2);