تحدي أيها المبرمجين تحدي لمبرمجي جافا

هنا كود الكاميرا API فيه خطأ واحد اذا كنت مبرمج محترف ستعلم أين الخطا

package de.vogella.camera.api;

import java.io.File;

import java.io.FileOutputStream;

import java.text.SimpleDateFormat;

import java.util.Date;

import android.content.Context;

import android.hardware.Camera;

import android.hardware.Camera.PictureCallback;

import android.os.Environment;

import android.util.Log;

import android.widget.Toast;

public class PhotoHandler implements PictureCallback {

private final Context context;

public PhotoHandler(Context context) {
    this.context = context;
}

@Override
public void onPictureTaken(byte[] data, Camera camera) {

    File pictureFileDir = getDir();

    if (!pictureFileDir.exists() && !pictureFileDir.mkdirs()) {

        Log.d(MakePhotoActivity.DEBUG_TAG, "Can't create directory to save image.");
        Toast.makeText(context, "Can't create directory to save image.",
                Toast.LENGTH_LONG).show();
        return;

    }

    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyymmddhhmmss");
    String date = dateFormat.format(new Date());
    String photoFile = "Picture_" + date + ".jpg";

    String filename = pictureFileDir.getPath() + File.separator + photoFile;



    try {
        FileOutputStream fos = new FileOutputStream(pictureFile);
        fos.write(data);
        fos.close();
        Toast.makeText(context, "New Image saved:" + photoFile,
                Toast.LENGTH_LONG).show();
    } catch (Exception error) {
        Log.d(MakePhotoActivity.DEBUG_TAG, "File" + filename + "not saved: "
                + error.getMessage());
        Toast.makeText(context, "Image could not be saved.",
                Toast.LENGTH_LONG).show();
    }
}

private File getDir() {
    File sdDir = Environment
      .getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
    return new File(sdDir, "CameraAPIDemo");
}

}