【发布时间】:2018-10-19 20:59:38
【问题描述】:
我目前在异步任务中使用来自 Wikipedia api 的查询搜索来获取数据。一切正常,但维基百科查询返回一个数字作为 json 中的键,我无法以编程方式将其转换为字符串。
维基百科查询网址:Wikipedia query
异步任务:
Log.i(Config.TAG, result);
String query = data.getString("query");
JSONObject pagesObj = new JSONObject(query);
String pages = pagesObj.getString("pages");
JSONObject page = new JSONObject(pages);
String pageID = (String) page.names().get(0);
String message = null;
String title = null;
if (Integer.parseInt(pageID) == -1){
title = "No User found";
message = "It seems that this User does not have a Wikipedia Article yet.";
} else {
JSONObject part = new JSONObject(pageID);
title = part.getString("title");
message = part.getString("extract");
}
错误日志:
05-09 16:38:10.650 25295-25323/org.mypackage.name W/System.err: at org.json.JSON.typeMismatch(JSON.java:111)
at org.json.JSONObject.<init>(JSONObject.java:163)
at org.json.JSONObject.<init>(JSONObject.java:176)
05-09 16:38:10.651 25295-25323/org.mypackage.name W/System.err: at org.mypackage.name.classes.GetContent.doInBackground(GetContent.java:117)
at org.mypackage.name.classes.GetContent.doInBackground(GetContent.java:26)
at android.os.AsyncTask$2.call(AsyncTask.java:333)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
05-09 16:38:10.652 25295-25323/org.mypackage.name W/System.err: at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
05-09 16:38:10.653 25295-25323/org.mypackage.name W/System.err: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
有没有办法将给定的整数转换为字符串,或者我的代码有问题?
提前谢谢你
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