question: public static GraphRequest newUploadVideoRequest ( AccessToken accessToken , File file , Callback callback ) throws FileNotFoundException { ParcelFileDescriptor descriptor = ParcelFileDescriptor . open ( file , ParcelFileDescriptor . MODE_READ_ONLY ) ; Bundle parameters = new Bundle ( 1 ) ; parameters . putParcelable ( file . getName ( ) , descriptor ) ; return new GraphRequest ( accessToken , MY_VIDEOS , parameters , HttpMethod . POST , callback ) ; }
target:  Creates a new Request configured to upload a video to the user's default video album. The video will be read from the specified file.