public PickRequest withCameraPicsDirectory(@Nullable final File pDirFile){
  this.mCustomCameraPicsDirPath=pDirFile == null ? null : pDirFile.getAbsolutePath();
  return this;
}

public PickRequest withCameraPicsDirectory ( @ Nullable final File pDirFile ) { this . mCustomCameraPicsDirPath = pDirFile == null ? null : pDirFile . getAbsolutePath ( ) ; return this ; }
set a directory to which pictures taken by camera will be saved . useful only when camera is a pick source
