Java 类android.media.MediaActionSound 实例源码

@Override
public void onClick(View view) {
    if (System.currentTimeMillis() - lastClickTime < CLICK_DELAY) {
        return;
    } else lastClickTime = System.currentTimeMillis();

    if (Build.VERSION.SDK_INT > 15) {
        MediaActionSound sound = new MediaActionSound();
        if (TAKE_PHOTO_STATE == currentState) {
            takePhoto(sound);
        } else if (READY_FOR_RECORD_STATE == currentState) {
            startRecording(sound);
        } else if (RECORD_IN_PROGRESS_STATE == currentState) {
            stopRecording(sound);
        }
    } else {
        if (TAKE_PHOTO_STATE == currentState) {
            takePhoto();
        } else if (READY_FOR_RECORD_STATE == currentState) {
            startRecording();
        } else if (RECORD_IN_PROGRESS_STATE == currentState) {
            stopRecording();
        }
    }
    setIcon();
}

private void takeSnapshot()
{
    // get the snapshot image
    Bitmap image = textureView.getBitmap();

    // save the image
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy_MM_dd_hh_mm_ss");
    String name = camera.network + "_" + camera.name.replaceAll("\\s+", "") + "_" + sdf.format(new Date()) + ".jpg";
    Utils.saveImage(getActivity().getContentResolver(), image, name, null);
    Log.info("takeSnapshot: " + name);

    // play the shutter sound
    MediaActionSound sound = new MediaActionSound();
    sound.play(MediaActionSound.SHUTTER_CLICK);

    // display a message
    String msg = String.format(getString(R.string.image_saved), getString(R.string.app_name));
    Toast toast = Toast.makeText(getActivity(), msg, Toast.LENGTH_SHORT);
    toast.show();
}

@Override
public void onClick(View view) {
    if (System.currentTimeMillis() - lastClickTime < CLICK_DELAY) {
        return;
    } else lastClickTime = System.currentTimeMillis();

    if (Build.VERSION.SDK_INT > 15) {
        MediaActionSound sound = new MediaActionSound();
        if (TAKE_PHOTO_STATE == currentState) {
            takePhoto(sound);
        } else if (READY_FOR_RECORD_STATE == currentState) {
            startRecording(sound);
        } else if (RECORD_IN_PROGRESS_STATE == currentState) {
            stopRecording(sound);
        }
    } else {
        if (TAKE_PHOTO_STATE == currentState) {
            takePhoto();
        } else if (READY_FOR_RECORD_STATE == currentState) {
            startRecording();
        } else if (RECORD_IN_PROGRESS_STATE == currentState) {
            stopRecording();
        }
    }
    setIcon();
}

@Override
public synchronized void play(int action) {
    switch(action) {
        case FOCUS_COMPLETE:
            mSound.play(MediaActionSound.FOCUS_COMPLETE);
            break;
        case START_VIDEO_RECORDING:
            mSound.play(MediaActionSound.START_VIDEO_RECORDING);
            break;
        case STOP_VIDEO_RECORDING:
            mSound.play(MediaActionSound.STOP_VIDEO_RECORDING);
            break;
        case SHUTTER_CLICK:
            mSound.play(MediaActionSound.SHUTTER_CLICK);
            break;
        default:
            Log.w(TAG, "Unrecognized action:" + action);
    }
}

@Override
public synchronized void play(int action) {
    switch(action) {
        case FOCUS_COMPLETE:
            mSound.play(MediaActionSound.FOCUS_COMPLETE);
            break;
        case START_VIDEO_RECORDING:
            mSound.play(MediaActionSound.START_VIDEO_RECORDING);
            break;
        case STOP_VIDEO_RECORDING:
            mSound.play(MediaActionSound.STOP_VIDEO_RECORDING);
            break;
        case SHUTTER_CLICK:
            mSound.play(MediaActionSound.SHUTTER_CLICK);
            break;
        default:
            Log.w(TAG, "Unrecognized action:" + action);
    }
}

/**
 * capture the map as an image
 */
private void captureScreenshotAsync() {

    // export the image from the mMapView
    final ListenableFuture<Bitmap> export = mMapView.exportImageAsync();
    export.addDoneListener(new Runnable() {
        @Override
        public void run() {
            try {
                Bitmap currentMapImage = export.get();
                // play the camera shutter sound
                MediaActionSound sound = new MediaActionSound();
                sound.play(MediaActionSound.SHUTTER_CLICK);
                Log.d(TAG,"Captured the image!!");
                // save the exported bitmap to an image file
                SaveImageTask saveImageTask = new SaveImageTask();
                saveImageTask.execute(currentMapImage);
            } catch (Exception e) {
                Toast.makeText(getApplicationContext(), getResources().getString(R.string.map_export_failure) + e.getMessage(), Toast.LENGTH_SHORT).show();
                Log.e(TAG, getResources().getString(R.string.map_export_failure) + e.getMessage());
            }
        }
    });
}

protected void takePhoto(CameraFragmentResultListener callback, @Nullable String directoryPath, @Nullable String fileName) {
    if (Build.VERSION.SDK_INT > MIN_VERSION_ICECREAM) {
        new MediaActionSound().play(MediaActionSound.SHUTTER_CLICK);
    }
    setRecordState(Record.TAKE_PHOTO_STATE);
    this.cameraController.takePhoto(callback, directoryPath, fileName);
    if (cameraFragmentStateListener != null) {
        cameraFragmentStateListener.onRecordStatePhoto();
    }
}

protected void startRecording(@Nullable String directoryPath, @Nullable String fileName) {
    if (Build.VERSION.SDK_INT > MIN_VERSION_ICECREAM) {
        new MediaActionSound().play(MediaActionSound.START_VIDEO_RECORDING);
    }

    setRecordState(Record.RECORD_IN_PROGRESS_STATE);
    this.cameraController.startVideoRecord(directoryPath, fileName);

    if (cameraFragmentStateListener != null) {
        cameraFragmentStateListener.onRecordStateVideoInProgress();
    }
}

protected void stopRecording(CameraFragmentResultListener callback) {
    if (Build.VERSION.SDK_INT > MIN_VERSION_ICECREAM) {
        new MediaActionSound().play(MediaActionSound.STOP_VIDEO_RECORDING);
    }

    setRecordState(Record.READY_FOR_RECORD_STATE);
    this.cameraController.stopVideoRecord(callback);

    this.onStopVideoRecord(callback);

    if (cameraFragmentStateListener != null) {
        cameraFragmentStateListener.onRecordStateVideoReadyForRecord();
    }
}

/**
 * Standard constructor
 *
 * @param ctxt any Context will do
 */
public CameraTwoEngine(Context ctxt) {
  mgr=(CameraManager)ctxt.
      getApplicationContext().
      getSystemService(Context.CAMERA_SERVICE);
  handlerThread.start();
  handler=new Handler(handlerThread.getLooper());
  shutter.load(MediaActionSound.SHUTTER_CLICK);
}

void takePicture(){
    if(mCameraSource != null){
        mCameraSource.takePicture(new CameraSource.ShutterCallback() {
            @Override
            public void onShutter() {
                sound.play(MediaActionSound.SHUTTER_CLICK);
            }
        }, new CameraSource.PictureCallback() {
            @Override
            public void onPictureTaken(byte[] data) {
                detectDocumentManually(data);
            }
        });
    }
}

public MediaActionSoundPlayer() {
    mSound = new MediaActionSound();
    mSound.load(MediaActionSound.START_VIDEO_RECORDING);
    mSound.load(MediaActionSound.STOP_VIDEO_RECORDING);
    mSound.load(MediaActionSound.FOCUS_COMPLETE);
    mSound.load(MediaActionSound.SHUTTER_CLICK);
}

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@Override
public void onAutoFocus(boolean success, Camera camera) {
  if (success
      && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
    new MediaActionSound().play(MediaActionSound.FOCUS_COMPLETE);
  }
}

/**
 * Standard constructor
 *
 * @param ctxt any Context will do
 */
public CameraTwoEngine(Context ctxt) {
  this.ctxt=ctxt.getApplicationContext();
  mgr=(CameraManager)this.ctxt.
      getSystemService(Context.CAMERA_SERVICE);
  handlerThread.start();
  handler=new Handler(handlerThread.getLooper());
  shutter.load(MediaActionSound.SHUTTER_CLICK);
}

@Override
public void onCaptureStarted(CameraCaptureSession session,
                             CaptureRequest request,
                             long timestamp, long frameNumber) {
  super.onCaptureStarted(session, request, timestamp, frameNumber);

  shutter.play(MediaActionSound.SHUTTER_CLICK);
}

public MediaActionSoundPlayer() {
    mSound = new MediaActionSound();
    mSound.load(MediaActionSound.START_VIDEO_RECORDING);
    mSound.load(MediaActionSound.STOP_VIDEO_RECORDING);
    mSound.load(MediaActionSound.FOCUS_COMPLETE);
    mSound.load(MediaActionSound.SHUTTER_CLICK);
}

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@Override
public void onAutoFocus(boolean success, Camera camera) {
  if (success
      && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
    new MediaActionSound().play(MediaActionSound.FOCUS_COMPLETE);
  }
}

private void playShutterSound() {
    MediaActionSound sound = new MediaActionSound();
    sound.play(MediaActionSound.SHUTTER_CLICK);
}

private void playFocusSound() {
    MediaActionSound sound = new MediaActionSound();
    sound.play(MediaActionSound.FOCUS_COMPLETE);
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void takePhoto(MediaActionSound sound) {
    //关闭声音
    sound.play(MediaActionSound.SHUTTER_CLICK);
    takePhoto();
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void startRecording(MediaActionSound sound) {
    //关闭声音
    sound.play(MediaActionSound.START_VIDEO_RECORDING);
    startRecording();
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void stopRecording(MediaActionSound sound) {
    //关闭声音
    sound.play(MediaActionSound.STOP_VIDEO_RECORDING);
    stopRecording();
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void takePhoto(MediaActionSound sound) {
    sound.play(MediaActionSound.SHUTTER_CLICK);
    takePhoto();
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void startRecording(MediaActionSound sound) {
    sound.play(MediaActionSound.START_VIDEO_RECORDING);
    startRecording();
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void stopRecording(MediaActionSound sound) {
    sound.play(MediaActionSound.STOP_VIDEO_RECORDING);
    stopRecording();
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void takePhoto(MediaActionSound sound) {
    sound.play(MediaActionSound.SHUTTER_CLICK);
    takePhoto();
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void startRecording(MediaActionSound sound) {
    sound.play(MediaActionSound.START_VIDEO_RECORDING);
    startRecording();
}

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void stopRecording(MediaActionSound sound) {
    sound.play(MediaActionSound.STOP_VIDEO_RECORDING);
    stopRecording();
}

@Override
public void onCaptureStarted(CameraCaptureSession session, CaptureRequest request, long timestamp, long frameNumber) {
  super.onCaptureStarted(session, request, timestamp, frameNumber);

  shutter.play(MediaActionSound.SHUTTER_CLICK);
}

/**
 * Instantiates a new camera based on Camera 2 API.
 *
 * @param device The underlying Camera 2 device.
 * @param characteristics The device's characteristics.
 * @param pictureSize the size of the final image to be taken.
 */
OneCameraZslImpl(CameraDevice device, CameraCharacteristics characteristics, Size pictureSize) {
    Log.v(TAG, "Creating new OneCameraZslImpl");

    mDevice = device;
    mCharacteristics = characteristics;
    mFullSizeAspectRatio = calculateFullSizeAspectRatio(characteristics);

    mCameraThread = new HandlerThread("OneCamera2");
    // If this thread stalls, it will delay viewfinder frames.
    mCameraThread.setPriority(Thread.MAX_PRIORITY);
    mCameraThread.start();
    mCameraHandler = new Handler(mCameraThread.getLooper());

    mCameraListenerThread = new HandlerThread("OneCamera2-Listener");
    mCameraListenerThread.start();
    mCameraListenerHandler = new Handler(mCameraListenerThread.getLooper());

    // TODO: Encoding on multiple cores results in preview jank due to
    // excessive GC.
    int numEncodingCores = CameraUtil.getNumCpuCores();
    mImageSaverThreadPool = new ThreadPoolExecutor(numEncodingCores, numEncodingCores, 10,
            TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>());

    mCaptureManager = new ImageCaptureManager(MAX_CAPTURE_IMAGES, mCameraListenerHandler,
            mImageSaverThreadPool);
    mCaptureManager.setCaptureReadyListener(new ImageCaptureManager.CaptureReadyListener() {
            @Override
        public void onReadyStateChange(boolean capturePossible) {
            mReadyStateManager.setInput(ReadyStateRequirement.CAPTURE_MANAGER_READY,
                    capturePossible);
        }
    });

    // Listen for changes to auto focus state and dispatch to
    // mFocusStateListener.
    mCaptureManager.addMetadataChangeListener(CaptureResult.CONTROL_AF_STATE,
            new ImageCaptureManager.MetadataChangeListener() {
            @Override
                public void onImageMetadataChange(Key<?> key, Object oldValue, Object newValue,
                        CaptureResult result) {
                    mFocusStateListener.onFocusStatusUpdate(
                            AutoFocusHelper.stateFromCamera2State(
                                    result.get(CaptureResult.CONTROL_AF_STATE)),
                            result.getFrameNumber());
                }
            });

    // Allocate the image reader to store all images received from the
    // camera.
    if (pictureSize == null) {
        // TODO The default should be selected by the caller, and
        // pictureSize should never be null.
        pictureSize = getDefaultPictureSize();
    }
    mCaptureImageReader = ImageReader.newInstance(pictureSize.getWidth(),
            pictureSize.getHeight(),
            sCaptureImageFormat, MAX_CAPTURE_IMAGES);

    mCaptureImageReader.setOnImageAvailableListener(mCaptureManager, mCameraHandler);
    mMediaActionSound.load(MediaActionSound.SHUTTER_CLICK);
}

private void onShutterInvokeUI(final PhotoCaptureParameters params) {
    // Tell CaptureModule shutter has occurred so it can flash the screen.
    params.callback.onQuickExpose();
    // Play shutter click sound.
    mMediaActionSound.play(MediaActionSound.SHUTTER_CLICK);
}

public void playActionSoundAutofocusComplete() {
    MediaActionSound player = getMediaActionSound();
    if (player == null) return;
    if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) return;
    player.play(MediaActionSound.FOCUS_COMPLETE);
}

public void playActionSoundShutter() {
    MediaActionSound player = getMediaActionSound();
    if (player == null) return;
    if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) return;
    player.play(MediaActionSound.SHUTTER_CLICK);
}

/**
 * Play the camera shutter shound
 */
private void playShutterSound() {
    MediaActionSound sound = new MediaActionSound();
    sound.play(MediaActionSound.SHUTTER_CLICK);
}