At round 14:00 minutes on this video, after adapter.notifyChange();
add this line under:
This makes the updates the our file with the newly up to date listing, when gadgets are deleted.
On this video I’ll present you how you can construct a Todo Listing app in Android Studio. This video will present you how you can create a listing and save gadgets to a listing and in addition delete gadgets from the listing. Like all my tutorials, I’ll provide under a hyperlink to my github web page with all of the code from the completed venture.
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Android StudioTutorial 1: https://www.youtube.com/watch?v=W2mZheKAAF4