code: package com.gteam.auctionsystem.fragment;
  
  import java.io.File;
  import java.io.IOException;
  import java.text.SimpleDateFormat;
  import java.util.Date;
  
  import android.annotation.SuppressLint;
  import android.app.AlertDialog;
  import android.content.Intent;
  import android.graphics.Bitmap;
  import android.graphics.BitmapFactory;
  import android.net.Uri;
  import android.os.Environment;
  import android.provider.MediaStore;
  import android.util.Log;
  import android.view.View;
  import android.widget.ImageView;
  
  import com.gteam.auctionsystem.R;
  import com.gteam.auctionsystem.util.Constants;
  
  public class PhotoFragment extends BaseFragment {
  
  	private static final String JPEG_FILE_PREFIX = "IMG_";
  	private static final String JPEG_FILE_SUFFIX = ".jpg";
  	protected AlertDialog mDialog;
  	protected String mCurrentPhotoPath;
  
  	public File getAlbumStorageDir(String albumName) {
  		return new File(Environment.getExternalStorageDirectory(), albumName);
  	}
  
  	private File getAlbumDir() {
  		File storageDir = null;
  		if (Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
  			storageDir = getAlbumStorageDir(Constants.DIRECTORY_NAME);
  			if (storageDir != null) {
  				if (!storageDir.mkdirs()) {
  					if (!storageDir.exists()) {
  						showToast(getString(R.string.external_storage_na));
  						return null;
  					}
  				}
  			}
  		} else {
  			showToast(getString(R.string.external_storage_na));
  		}
  		return storageDir;
  	}
  
  	@SuppressLint("SimpleDateFormat")
  	private File createImageFile() throws IOException {
  		// Create an image file name
  		String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
  		String imageFileName = JPEG_FILE_PREFIX + timeStamp + "_";
  		File albumF = getAlbumDir();
  		File imageF = File.createTempFile(imageFileName, JPEG_FILE_SUFFIX, albumF);
  		imageF.createNewFile();
  		return imageF;
  	}
  
  	private File setUpPhotoFile() throws IOException {
  		File file = createImageFile();
  		mCurrentPhotoPath = file.getAbsolutePath();
  		return file;
  	}
  
  	protected void takePicture(int actionCode) {
  		Intent intent = new Intent();
  		intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
  		File file = null;
  		try {
  			file = setUpPhotoFile();
  			mCurrentPhotoPath = file.getAbsolutePath();
  			intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(file));
  		}
  		catch (IOException ex) {
  			Log.e(TAG, ex.getMessage(), ex);
  			file = null;
  			mCurrentPhotoPath = null;
  		}
  		startActivityForResult(intent, actionCode);
  	}
  
  	protected void showImage(ImageView imageView, String path) {
  		Bitmap bitmap = null;
  		BitmapFactory.Options options = new BitmapFactory.Options();
  		options.inSampleSize = 4;
  		bitmap = BitmapFactory.decodeFile(path, options);
  		imageView.setImageBitmap(bitmap);
  		imageView.setVisibility(View.VISIBLE);
  	}
  
  	protected void deleteFile(String filePath) {
  		File file = new File(filePath);
  		if (file.exists()) {
  			file.delete();
  		}
  	}
  }