Hello, what method do I use to update an activity

Question

Hello, what method do I use to update an activity

in this case 👇?
I have 2 activities
The first one is MainActivity and the second one is AddActivity that is triggered when user clicks on the menu items that are set in a listView within the MainActivity and help the user to add something onto the database
Now I want to that after the data has been added to the db, update the listview of the MainActivity

0

31.12.2021