گرفتن عکس

سلام

من از روش دوم استاد برای گرفتن عکس استفاده میکنم

تو امولاتور درست ولی تو گوشی عکس نمیگیره و فقط کمرا اوپن میشه

اینم کدش

   private void takePicture() {
        openCamera();
        camera.takePicture(
                new ShutterCallback() {

                    @Override
                    public void onShutter() {
                        Toast.makeText(getApplicationContext(), "Shot", Toast.LENGTH_LONG).show();
                    }
                }, new PictureCallback() {

                    @Override
                    public void onPictureTaken(byte[] data, Camera camera) {
                        Toast.makeText(getApplicationContext(), "Taken1", Toast.LENGTH_LONG).show();
                    }
                }, new PictureCallback() {

                    @Override
                    public void onPictureTaken(byte[] data, Camera camera) {
                        Toast.makeText(getApplicationContext(), "Taken", Toast.LENGTH_LONG).show();
                        Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
                        File myDir = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/Saved_Image/");
                        myDir.mkdirs();
                        Random generator = new Random();
                        int n = 100000;
                        n = generator.nextInt(n);
                        String fname = "Image-" + n + ".jpg";
                        File file = new File(myDir, fname);
                        if (file.exists()) {
                            file.delete();
                        }
                        try {
                            FileOutputStream out = new FileOutputStream(file);
                            bitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
                            out.flush();
                            out.close();

                        }
                        catch (Exception e) {
                            e.printStackTrace();
                        }

                        closeCamera();
                    }
                });
    }


    private void openCamera() {
        Toast.makeText(getApplicationContext(), "open", Toast.LENGTH_LONG).show();
        camera = Camera.open();
        Camera.Parameters params = camera.getParameters();
        List<Size> sizes = params.getSupportedPictureSizes();
        Size mSize = sizes.get(0);
        params.setPictureSize(mSize.width, mSize.height);
        camera.setParameters(params);
    }


    private void closeCamera() {
        camera.release();
    }