What gesture can execute code only while user placing their finger on the screen in SwiftUI?

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What gesture can execute code only while user placing their finger on the screen?

Running certain code should not be Effect of the Cause(gesture), what I want is running certain code while user holding their finger on the screen, and if the user took their finger off the code stops running

For example, 

//some view
.unknownGesture{
// running this code only while user placing their finger on the screen
}
swiftui uigesturerecognizer
1 Answers

Here is possible solution

.gesture(
  DragGesture(minimumDistance: 0)
    .onChanged() { event in
      print(">>> activated")
    })
user_122990300
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