Android wiki：03.android json解折

String result = "{
"version":"2.0",
"description":"更新内容：修复了上一版本的小bug，添加了用户要求添加的小功能",
"apkurl":"http://192.168.191.1:8080/MobilePhoneTools.apk"
}";

// 解折json数据
JSONObject obj = new JSONObject(result);
String version = (String) obj.get("version");
String description = obj.getString("description");
String apkurl =  obj.getString("apkurl");