Horizontal Drag Gesture - Flutter Programming

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[lukaszglowacz]

Hello - nice tutorial. Thanks!
I want to share my 'struggle' with gesture detector -> make sure that apart from using "onVerticalDragUpdate" or "onHorizontalDragUpdae" to detect the speed and direction of the drag you call your desired function by the "onVerticalDragEnd" - if you call your function directly from DragUpdate you will trigger it more than once ...

[orwa]

hey dude, do u have any idea how to achieve multi finger gesture detector ?

[balasubramanisundaram]

How to achieve the bi-directional scrolling in flutter, could you please provide the video session is more help us

[sandipborad]

Hello sir, i just implemented onHorizontalDragCancel and print log as well but can't see that log in my console, also i make it same case like phone call in simulator so app goes are in background and phone call are in foreground still it does not execute function of cancel event so can you help me out how i can observe this event ?
Here is my code.

onHorizontalDragStart: (DragStartDetails details){
print("Horizontal Drag start");
print(details);
},
onHorizontalDragEnd: (DragEndDetails details){
print("Horizontal Drag End");
print(details);
},
onHorizontalDragCancel: (){
print("Horizontal Drag Cancel");
},