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我有这段代码在 android <4 上运行良好:

        try{
            URL url = new URL("http://www.mysite.com/data.php");
            BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
            while((testo=in.readLine()) != null){
                testo2+=testo;
            }
            in.close();
            JSONObject jObject = new JSONObject(testo2);
            button.setText(jObject.getString("n"));
            textView1a.setText(" "+jObject.getString("so"));
            textView1b.setText(jObject.getString("tc")+" ");
        }
        catch(MalformedURLException e){
            System.out.println("1");
        }
        catch(IOException e){
            System.out.println("2");
        }
        catch(JSONException e){
            System.out.println("3");
        }

但在 android >4 中不起作用,它会使应用程序崩溃。我不知道为什么,但它似乎在缓冲阅读器上崩溃了。我的网址返回一个字符串

{"n":"788531","so":"412848","tc":"609774","is":"14270","di":"55.257953749124"}

我将其解析为 json。

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