0
感谢您的阅读!与facebook sdk嵌套的JSON解析
我想开发一个android应用程序,但我被困在如何获取用户的“喜欢”。我需要的只是每个“名称”键的值。在这里,那些将是“周杰伦”,“陈奕迅”和“Facebook开发者”。下面是JSON文本
{
"languages": [
{
"id": "111735208843636",
"name": "Chinese"
},
{
"id": "106059522759137",
"name": "English"
}
],
"id": "100005065353669",
"likes": {
"data": [
{
"category": "Musician/band",
"name": "Jay Chou",
"id": "109155665769390",
"created_time": "2013-06-11T18:54:44+0000"
},
{
"category": "Musician/band",
"name": "Eason Chan",
"id": "105468519487919",
"created_time": "2013-06-05T20:33:26+0000"
},
{
"category": "Product/service",
"name": "Facebook Developers",
"id": "19292868552",
"created_time": "2013-05-31T01:35:17+0000"
}
],
"paging": {
"next": "https://graph.facebook.com/100005065353669/likes? limit=5000&offset=5000&__after_id=19292868552"
}
}
}
这段代码是为了获取用户的“语言”,它对我来说工作得非常好。
JSONArray languages = (JSONArray)user.getProperty("languages");
if (languages.length() > 0) {
ArrayList<String> languageNames = new ArrayList<String>();
for (int i=0; i < languages.length(); i++) {
JSONObject language = languages.optJSONObject(i);
languageNames.add(language.optString("name"));
}
userInfo.append(String.format("Languages: %s\n\n", languageNames.toString()));
}
user
来自函数参数private String buildUserInfoDisplay(GraphUser user)
和userinfo
来自StringBuilder userInfo = new StringBuilder("");
谁能帮助我?真的很感激它!
感谢您的回复!我使用了几乎完全相同的代码,它会在getProperty(“data”)行上抛出NullPointer错误。我无法弄清楚它会如何发生。我的意思是应该有一个名为“数据”的JSON数组。 – user2464763
你正在使用哪个json库? – danijoo