touch-event

问题 I'm developing a custom drag UI using touch events. When there is a scrollbar on the page, Chrome Android touchmove performance is abysmal, the event will only fire a couple times per second which results in extremely jerky dragging. The problem won't reproduce when there is no scrollbar or when testing using Chrome devtools emulator. Adding touch-events: none; CSS property helps with the issue but also prevents native scrolling from happening inside the container so using this approach will

问题 I took one custom view (SignatoryView) on pdf, When I click on Add button from Navigation bar, it will add that SignatoryView on PDF view and according to my choice I can move/drag that signatory view to any location. Problem : When I am moving that signatory view on pdf, it is going outside edges of pdfView. (Left, right, bottom and top also) Here is the demo : It should not go beyond its boundaries, it should be movable only inside edges on PDF view. How I can achieve this ? Here is the

问题 The design support library v. 23.2 introduced BottomSheetBehavior , which allows childs of a coordinator to act as bottom sheets (views draggable from the bottom of the screen). What I’d like to do is to have, as a bottom sheet view , the following view (the typical coordinator + collapsing stuff): <CoordinatorLayout app:layout_behavior=“@string/bottom_sheet_behavior”> <AppBarLayout> <CollapsingToolbarLayout> <ImageView /> </CollapsingToolbarLayout> </AppBarLayout> <NestedScrollView>

问题 The design support library v. 23.2 introduced BottomSheetBehavior , which allows childs of a coordinator to act as bottom sheets (views draggable from the bottom of the screen). What I’d like to do is to have, as a bottom sheet view , the following view (the typical coordinator + collapsing stuff): <CoordinatorLayout app:layout_behavior=“@string/bottom_sheet_behavior”> <AppBarLayout> <CollapsingToolbarLayout> <ImageView /> </CollapsingToolbarLayout> </AppBarLayout> <NestedScrollView>

来源： https://stackoverflow.com/questions/63705422/how-to-draw-brushes-or-shape-using-path-when-moving-finger-fast-in-andorid-canva

来源： https://stackoverflow.com/questions/63705422/how-to-draw-brushes-or-shape-using-path-when-moving-finger-fast-in-andorid-canva

来源： https://stackoverflow.com/questions/15323424/removing-fragment-by-clicking-touching-outside

来源： https://stackoverflow.com/questions/15323424/removing-fragment-by-clicking-touching-outside

来源： https://stackoverflow.com/questions/15323424/removing-fragment-by-clicking-touching-outside

来源： https://stackoverflow.com/questions/15323424/removing-fragment-by-clicking-touching-outside