java - How to upload a file in android using AsyncTask -

i beginner @ android question might stupid. please me out of this.

i working on app requires data uploaded on server. data text, image or video. tried use following link

http://developer.android.com/reference/java/net/httpurlconnection.html

and

http://androidexample.com/upload_file_to_server_-_android_example/index.php?view=article_discription&aid=83&aaid=106

however ended being more confused. how send data server using asynctask doinbackgound method.

thanks.

i answered similar post, have 3 tutorials , reasons method. can read solution here. tell me if helped , programming!