java - 如何获取此 JSON 对象并将其解析为 Android textview

Question

我正在使用CryptoCompare提供的API。我需要从此 JSON 对象获取 Symbol 和 Price。

{
  "Response": "Success",
  "Message": "Do not take life too seriously. You will never get out of it alive.",
  "Data": [
    {
      "Symbol": "USD",
      "Price": 5660.94,
      "Open24Hour": 5155.13,
      "LastUpdateTS": 1507885905,
      "Volume24Hours": 222438.875,
      "Volume24HoursTo": 1214073220
    },
    {
      "Symbol": "EUR",
      "Price": 4757.16,
      "Open24Hour": 4318.19,
      "LastUpdateTS": 1507885905,
      "Volume24Hours": 26488.4023,
      "Volume24HoursTo": 120264888
    }
  ],
  "Type": 100
}

Answer 1

我建议您将数据存储到List

因此，初始化两个List

List<String> symbol = new ArrayList<String>();
List<String> price = new ArrayList<String>();

然后你可以在这里存储数据

try {

    JSONObject json = new JSONObject(response);
    JSONArray jArray = json.getJSONArray("Data");
    for (int i = 0; i < jsonArray.length(); i++) {
        JSONObject object = jsonArray.getJSONObject(i);
        symbol.add(object.getString("Symbol"));
        price.add(object.getString("Price"));

    }

} catch (JSONException e) {
    e.printStackTrace();
}

这可能对你有帮助