How can I get id of memory leak problem?

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Mobile

Android

SQLite

memory

can anyone help me please to get rid of this problem...

this is my code :

cl = new CursorLoader(activity,MediaStore.Video.Media.EXTERNAL_CONTENT_URI, proj, null, null, null);
        videocursor = cl.loadInBackground();

if (videocursor.moveToFirst())
        {

                do
			{
				
			}
			while (videocursor.moveToNext());
		  }
//videocursor.close();

here you can see that I commented a line where cursor is closed. But when I close this, I can't resume the activity cause cursor is alredy closed. And when I didn't close it I get an error called 'memoryleak' hence I didn't close it :'(

Actually I want to resume the activity without any error. :)

I am begging a fruitful help. thanks :)