Crime Reference.

CrimeLab.java

public class CrimeLab{
  public File getPhotoFile(Crime crime) {
    File externalFilesDir = mContext.getExternalFilesDir(Environment.DIRECTORY_PICTURES);
    if (externalFilesDir == null) {
      return null;
    }
      return new File(externalFilesDir, crime.getPhotoFilename());
    }
}

DetailFragment.java

public class DetailFragment{
  private void updatePhotoView() {
    if (mPhotoFile == null || !mPhotoFile.exists()) {
      mPhotoView.setImageDrawable(null);
    } else {
      Bitmap bitmap = PictureUtils.getScaledBitmap(mPhotoFile.getPath(), getActivity());
      mPhotoView.setImageBitmap(bitmap);
    }
  }
  
  private void requestPhotoFromCamera(){
    final Intent captureImage = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    boolean canTakePhoto = mPhotoFile != null && captureImage.resolveActivity(packageManager) != null;
    mPhotoButton.setEnabled(canTakePhoto);
    if (canTakePhoto) {
      Uri uri = Uri.fromFile(mPhotoFile);
      captureImage.putExtra(MediaStore.EXTRA_OUTPUT, uri);
    }
    mPhotoButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
          startActivityForResult(captureImage, REQUEST_PHOTO);
        }
    });
  }
}

PictureUtils.java

public class PictureUtils {
	public static Bitmap getScaledBitmap(String path, int destWidth, int destHeight) {
		// Read in the dimensions of the image on disk
		BitmapFactory.Options options = new BitmapFactory.Options();
		options.inJustDecodeBounds = true;
		BitmapFactory.decodeFile(path, options);
		float srcWidth = options.outWidth;
		float srcHeight = options.outHeight;
		// Figure out how much to scale down by
		int inSampleSize = 1;
		if (srcHeight > destHeight || srcWidth > destWidth) {
			if (srcWidth > srcHeight) {
				inSampleSize = Math.round(srcHeight / destHeight);
			} else {
				inSampleSize = Math.round(srcWidth / destWidth);
			}
		}
		options = new BitmapFactory.Options();
		options.inSampleSize = inSampleSize;
		// Read in and create final bitmap
		return BitmapFactory.decodeFile(path, options);
	}
	
	public static Bitmap getScaledBitmap(String path, Activity activity) {
			Point size = new Point();
			activity.getWindowManager().getDefaultDisplay()
			.getSize(size);
			return getScaledBitmap(path, size.x, size.y);
	}
}