黑莓通话记录器

Question

在我的应用程序中，我想记录通话时间最长10分钟。有什么办法可以实现这个吗？

任何帮助，非常感谢。

Answer 1

是的，你需要注册PhoneListener与应用程序和需要实现所需的方法，如：

callInitiated() callEnded() etc..etc

即每当特定呼叫被发起，你可以听该事件并执行自定义代码。

您可以使用PhoneCall类读取呼叫信息。

希望这会有所帮助。

Answer 2

，我认为它的工作原理：黑莓

通话记录

public final class MyScreen extends MainScreen { 
    /** 
    * Creates a new MyScreen objects 
    * 
    */ 
    Player player; 
    RecordControl recorder; 
    private ByteArrayOutputStream output; 
    byte[] data; 
    boolean yes = false; 
    int st; 

    public MyScreen() { 
     // Set the displayed title of the screen 
     setTitle("Call Recorder"); 
     Phone.addPhoneListener(new PhoneListener() { 

      public void conferenceCallDisconnected(int callId) { 
       // TODO Auto-generated method stub 

      } 

      public void callWaiting(int callid) { 
       // TODO Auto-generated method stub 

      } 

      public void callResumed(int callId) { 
       // TODO Auto-generated method stub 

      } 

      public void callRemoved(int callId) { 
       // TODO Auto-generated method stub 

      } 

      public void callInitiated(int callid) { 
       PhoneCall phoneCall = Phone.getCall(callid); 
       if (phoneCall != null) { 
        st = Dialog.ask(Dialog.D_YES_NO, 
          "Are u sure to record this call"); 
        if (st == Dialog.YES) 
         yes = true; 
        else 
         yes = false; 
        // TODO Auto-generated method stub 
       } 
      } 

      public void callIncoming(int callId) { 
       // TODO Auto-generated method stub 

       // TODO Auto-generated method stub 
       Dialog.ask(Dialog.D_YES_NO, "Are u sure to record this call"); 

       // TODO Auto-generated method stub 

      } 

      public void callHeld(int callId) { 
       // TODO Auto-generated method stub 

      } 

      public void callFailed(int callId, int reason) { 
       // TODO Auto-generated method stub 

      } 

      public void callEndedByUser(int callId) { 
       // TODO Auto-generated method stub 

      } 

      public void callDisconnected(int callId) { 
       // TODO Auto-generated method stub 
       if (yes) { 
        try { 
         recorder.commit(); 

        } catch (IOException e) { 
         // TODO Auto-generated catch block 
         e.printStackTrace(); 
        } 
        player.close(); 
        data = output.toByteArray(); 
        saveRecordedFile(data); 
       } 

      } 

      public void callDirectConnectDisconnected(int callId) { 
       // TODO Auto-generated method stub 

      } 

      public void callDirectConnectConnected(int callId) { 
       // TODO Auto-generated method stub 

      } 

      public void callConnected(int callId) { 
       // TODO Auto-generated method s 
       PhoneCall phoneCall = Phone.getCall(callId); 
       if (phoneCall != null) { 
        if (yes) 
         initPlay(); 
       } 

      } 

      public void callConferenceCallEstablished(int callId) { 
       // TODO Auto-generated method stub 

      } 

      public void callAnswered(int callId) { 
       // TODO Auto-generated method stub 

       // yes = true; 

       // TODO Auto-generated method stub 

      } 

      public void callAdded(int callId) { 
       // TODO Auto-generated method stub 

      } 
     }); 

    } 

    // private void initMenuItem() { 
    // final String[] path = new String[1]; 
    // ApplicationDescriptor appDesc = ApplicationDescriptor 
    // .currentApplicationDescriptor(); 
    // 
    // final ApplicationDescriptor newDesc = new ApplicationDescriptor(
    // appDesc, path); 
    // 
    // ApplicationMenuItemRepository amir = ApplicationMenuItemRepository 
    // .getInstance(); 
    // ApplicationMenuItem a = new ApplicationMenuItem(1) { 
    // public Object run(final Object context) { 
    // Application.getApplication().invokeLater(new Runnable() { 
    // 
    // public void run() { 
    // 
    // } 
    // }); 
    // 
    // return context; 
    // } 
    // 
    // public String toString() { 
    // return "Record Call"; 
    // } 
    // 
    // }; 
    // amir.addMenuItem(ApplicationMenuItemRepository.MENUITEM_PHONE, a, 
    // newDesc); 
    // 
    // } 

    private void initPlay() { 
     // TODO Auto-generated method stub 
     try { 
      player = Manager.createPlayer("capture://audio"); 
      player.realize(); 
      recorder = (RecordControl) player.getControl("RecordControl"); 
      output = new ByteArrayOutputStream(); 
      recorder.setRecordStream(output); 
      recorder.startRecord(); 
      player.start(); 
     } catch (Exception e) { 
      // TODO: handle exception 
      Dialog.alert(e + ""); 
     } 

    } 

    public static boolean saveRecordedFile(byte[] data) { 
     try { 
      String filePath1 = System.getProperty("fileconn.dir.music"); 
      String fileName = "Call Recorder("; 
      boolean existed = true; 
      for (int i = 0; i < Integer.MAX_VALUE; i++) { 
       try { 

        FileConnection fc = (FileConnection) Connector 
          .open(filePath1 + fileName + i + ").amr"); 

        if (!fc.exists()) { 
         existed = false; 
        } 
        fc.close(); 
       } catch (IOException e) { 
        Dialog.alert("unable to save"); 
        return existed; 
       } 
       if (!existed) { 
        fileName += i + ").amr"; 
        filePath1 += fileName; 
        break; 
       } 
      } 
      System.out.println(filePath1); 
      // output---file:///store/home/user/pictures/Photo Editor(10).bmp 
      System.out.println(""); 

      FileConnection fconn = (FileConnection) javax.microedition.io.Connector 
        .open(filePath1, javax.microedition.io.Connector.READ_WRITE); 

      if (fconn.exists()) 
       fconn.delete(); 

      fconn.create(); 

      OutputStream outputStream = fconn.openOutputStream(); 
      outputStream.write(data); 
      outputStream.close(); 
      fconn.close(); 
      return true; 
     } catch (Exception e) { 
     } 
     return false; 
    } 

}