bina kisi application ke photo video hide or unhide karna sikhe

agr aap bhi bina kisi application ke photo video document ko hide karna chahte hai toh ek aisi hi trick ke bare mai aaj video dikhayi ja rahi hai agr ap sikhna chahte hai toh ye video ap ko dekh leni chaiye apke bahut kam ayegi

yaha click kare video dekhne ke liye
https://youtu.be/ynGhKM320NQ