2017-02-13 99 views
0

我想从Android应用程序发送名称和姓名到我的服务器。但无法获得连接。我已经使用了大部分可用的代码,但他们都没有工作。以下是我的代码的快照:从Android应用程序到服务器的HTTP请求

private void nextActivity(Profile profile) { 
    HttpURLConnection con = null; 

    try { 
     con = (HttpURLConnection)(new URL("**********/index.php")).openConnection();//not written the url for privacy concern 
     con.setRequestMethod("POST"); 
     con.setDoInput(true); 
     con.setDoOutput(true); 
     con.connect(); 
     con.getOutputStream().write(("name=" + profile.getFirstName()).getBytes()); 
     con.getOutputStream().write(("surname=" + profile.getLastName()).getBytes()); 
    } 
    catch (ProtocolException e) { 
     e.printStackTrace(); 
    } 
    catch (IOException e) { 
     e.printStackTrace(); 
    } 

    if (profile != null) { 
     Intent main = new Intent(LoginActivity.this, MainActivity.class); 
     main.putExtra("name", profile.getFirstName()); 
     main.putExtra("surname", profile.getLastName()); 
     main.putExtra("imageUrl", profile.getProfilePictureUri(200, 200).toString()); 
     startActivity(main); 
    } 
} 
} 
+1

我希望你在这里使用的的AsyncTask ... –

+1

检查Internet的权限和尝试ping服务器 – VVB

+0

你得到哪些异常? –

回答

0

将此代码用作AsyncTask,并解决了我的问题。

class MyAsyncTask extends AsyncTask<String, Void, String> { 

    @Override 
    protected String doInBackground(String... params) { 
     try { 
      String id = params[0], firstname = params[1], lastname = params[2]; 

      URL url = new URL("http://*******index.php"); 


      HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection(); 
      httpURLConnection.setRequestMethod("POST"); 
      httpURLConnection.setDoOutput(true); 

      OutputStream OS = httpURLConnection.getOutputStream(); 
      BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(OS, "UTF-8")); 
      String data = URLEncoder.encode("id", "UTF-8") + "=" + URLEncoder.encode(id, "UTF-8") + 
        "&" + URLEncoder.encode("name", "UTF-8") + "=" + URLEncoder.encode(firstname, "UTF-8") + "&" 
        + URLEncoder.encode("surname", "UTF-8") + "=" + URLEncoder.encode(lastname, "UTF-8"); 
      bufferedWriter.write(data); 
      bufferedWriter.flush(); 
      bufferedWriter.close(); 
      OS.close(); 
      InputStream IS = httpURLConnection.getInputStream(); 
      IS.close(); 

     } catch (MalformedURLException e) { 
      // ... 
     } catch (IOException e) { 
      // ... 
     } 
     return null; 
    } 
} 
0

在您的代码中添加这些行并尝试。

con.getOutputStream().flush(); 
con.getOutputStream().close(); 
+0

无法正常工作。应用程序开始崩溃 –

0

首先使用URLEncoder对数据进行编码,然后用输出流进行写入。

+0

已经尝试过。但不工作 –

+0

请分享您收到的错误。 –

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