First of all, sorry for my bad English if it confuses you.
There is a function that can be called only when you move your finger on the screen but you must not take your finger off. So, I short this sentence to
"(it is) called when you move the finger on the screen without taking it off"
But somehow I feel this is very strange so posted here to get your advice if possible. Sorry to bother you
Top answer
The function is activated when you drag your finger across the screen.
— Mister Micawber
The function is activated when you drag your finger across the screen.
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