Question

我正在尝试使用代号创建一个应用程序，该应用程序旨在记录语音并将文件发送到服务器，我刚刚创建了应用程序的录音部分，通过向我的表单添加一个按钮，当我点击它应该开始录制的按钮。它看起来工作得很好，但我想知道它何时以及如何停止，它似乎不停地继续下去。

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form hi = new Form("Voice Capture");
    Button capture = new Button("Start Capture");
    capture.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent evt) {
            Capture.captureAudio(new ActionListener() {

                public void actionPerformed(ActionEvent evt) {
                    String path = (String) evt.getSource();
                    if(path != null)
              {
                    Dialog.show("Success", "You have successfulyy captured an audio file, The path ofthe file is " + path, "OK", null);
                    }
                    else
                    {
                  Dialog.show("ERROR", "You canceled the voice recording ", "OK",null);
                    }
                }
            });
        }
    });
    hi.addComponent(capture);

    hi.show();
}

Answer 1

当用户取消录制窗口或按下录制器中的停止按钮时，它应该停止。

您还可以在没有UI的情况下进行录制，并通过使用媒体API进行更多控制：

Media media = MediaManager.createMediaRecorder(filePath, MediaManager.getAvailableRecordingMimeTypes()[0]);
media.play();

注意play()是媒体API的一部分，实际上意味着开始录制。

Answer 2

谢谢Shai，我想要的是我自己的录音机类型，我可以让它按照自己的方式工作。而且我认为我能够做到这一点，想到将它贴在这里应该以防万一它会帮助别人。

Media media;
    String p;
    String filename;
    private void doRecord()
    {

        // initites devices microphone and do the recording until it is stopped.
        p = getTempFileName();
       try{

            media = MediaManager.createMediaRecorder(p,MediaManager.getMediaRecorderingMimeType());
            media.play();
       }catch (IOException ex) {
           ex.printStackTrace();
       }
    }

    private String getTempFileName() {
        String[] roots = FileSystemStorage.getInstance().getRoots();
        // iOS doesn't have an SD card
        String root = roots[0];
        for (int i = 0; i < roots.length; i++) {
            if (FileSystemStorage.getInstance().getRootType(roots[i]) == FileSystemStorage.ROOT_TYPE_SDCARD) {
                root = roots[i];
                break;
            }
        }
        filename = "audioSample" + System.currentTimeMillis();
        return root + FileSystemStorage.getInstance().getFileSystemSeparator() + filename;
    }


public void stopRecord(boolean timeElapsed)
    {
        answertiming.cancel();
        media.pause();
        media.cleanup();
        if(timeElapsed)
           Dialog.show("SUCCESS","Your time is up system has saved your answer, The file path for the recording is " + p, "OK",null);
        else
           Dialog.show("SUCCESS","You have successfully answered the question System has saved your answer, The file path for the recording is " + p, "OK",null);
    }



UITimer answertiming;
    Label timeLabel;
    public void startRecord()
    {
        i = 30;
        timing.cancel();

        Form record = new Form();
        record.setLayout(new BorderLayout());
        timeLabel = new Label("00:30");
        TextArea questionLabel = new TextArea("Question: " + question_text);
        questionLabel.setEditable(false);
        Button doneButton = new Button("DONE");

        doneButton.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent evt) {
                stopRecord(false);

            }
        });

        Container c = new Container();
        c.setLayout(new BorderLayout());
        c.addComponent(BorderLayout.WEST,questionLabel);
        c.addComponent(BorderLayout.EAST, timeLabel);

        record.addComponent(BorderLayout.NORTH,c);
        record.addComponent(BorderLayout.SOUTH,doneButton);

        answertiming = new UITimer(new Runnable() {

            public void run() {
               i--;
               timeLabel.setText("00:" + i);
               if(i == 0)
               {
                   stopRecord(true);
               }
            }
        });
        answertiming.schedule(1000, true, record);
        record.show();
        doRecord();
    }

这是一个有问题的面试应用程序，用户答案被记录下来，然后发送到服务器（我删除了发送到服务器的部分）。如果用户停止应用程序录制本身它将停止并保存文件但如果不在30秒后它自行停止。

注意：要收听您可能需要编辑文件名的文件，并在其末尾添加.amr。

在Codename中捕获类一个

2 个答案: