I have problem. I want realize slide menu, but want keep swipe to back gesture. I add panGestureRecognizer to my View and I get undefined behavior in working app. When I swipe from edge, triggered then one or the other gesture. How can I control it or what I doing wrong?
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In my app, I have horizontal FlatList which is used for swiping between several sub-pages of a screen. This works great.
However, on one of the pages, I have a Slider component. On iOS it works fine, but on Android, the parent ScrollView of the FlatList seems to "steal" the swipe gesture. I am only able to adjust the Slider by clicking very precisely on its thin line, but I cannot adjust it by sliding.
What I need is something like one of these
A view that wraps the Slider component and stops swipe gestures from being propagated to the parent ScrollView
A way to make the FlatList/ScrollView not consume swipes directly on elements that responds to horizontal swipes themself
Somehow adjust the area of which the Slider component will eat the touches around it (it's very small and hard to hit directly). I already tried adding a hitSlop prop, with no luck.
Any suggestions for a solution are very appreciated :)
Check example code and result here.
https://snack.expo.io/#esbenvb/mad-yogurt
I have a UIPageView controller with three view. Now the probleem is if you swipe over the view, the page scroll in the swipe direction. But if you swipe over the Page indictor dots the page scroll in the opposite direction of the swipe. Does anyone know how I can fix that?
The page indicator does not recognize swipes, it recognizes only taps.
If you tap on the right side, the next page is shown.
If you tab on the left side, the previous page is shown.
iOS recognizes the tap position where you release your finger (not where you tap down).
So when you think you swipe to the right, you release your finger at the right side and this is recognized by iOS as a tap on the right side which shows the next page.
And vice versa.
I am using a FlipView control in my windows store app. The swipe gesture is not working for the FlipView control. I want to hide the next and previous buttons and show the previous and next items only on swipe. I am running the app on simulator. By customizing the default style I am able to hide the buttons of the FlipView control, but the swipe is not recognized in the simulator. Do I need to change the properties to enable swipe in the FlipView?
The buttons should hide and the swipe gesture should be detected when the touch mode of the simulator is used. The buttons are shown when the mouse pointer is used.
I am using a UIPageViewController to display certain content. I want to be able to display additional content when the user pulls down on the page using a UIPanGestureRecognizer. I can't seem to figure out what I should add my gesture recognizer to such that it does not cancel any of the pageviewcontroller's actions.
One of the apps I worked on has functionality similar to this. It shows a full-screen UIPageViewController, but if the user drags down on a ribbon on the top right corner, it will slide the whole thing down to reveal a view behind (for settings and other stuff).
I think your problem is that the built-in gesture recognizers are for the page turns. So what you'd want to do is either have something to drag on (such as the ribbon on the top left in my app) that will have its own gestures. OR you can iterate through the gesture recognizers that are assigned to UIPageViewController and get the one that matches the PanGesture, then override it with your own functionality to either delegate the event to the UIPageViewController or do the slide down, based on the type of pan.
Hope that helps.
I have a UIView within a UIScrollView. When i want to simulate the drag event on the UIView, swipe event on the UIScrollView is being triggered.
As per the documentation , there isn't much of a difference between swipe and drag.
Swipe
1- Place the pointer at the start position.
2- Hold the mouse button.
3- Move the pointer in the swipe direction and release the mouse button.
Drag
1- Place the pointer at the start position.
2- Hold down the mouse button.
3- Move the pointer in the drag direction.
On an ipad I can use two fingers two swipe and one finger to drag. Now, how do i go about doing something similar on the simulator; drag instead of a swipe?
Edit 1:
I should have been clearer first up. Anyway, my problem is that the mouse drag is firing the swipe instead of drag, thereby scrolling the scroll view instead of passing on the drag event to the UIView contained by the scroll view.
I am on macbook pro. Two-finger swipe on the touchpad is being ignored. Touch and drag is causing the same thing as mouse-drag.
Thanks
See Jeff LaMarche's quick note on how to do this. It's documented in the same page you're reading, but Jeff's explanation is clearer.
If you want to simulate a two-finger gesture in the iPhone simulator, hold down the option key. You will get two dots on the screen instead of one. The two dots will default to pinching - if you bring the dot closer to the center of the screen, the other dot comes toward the center, making it easy to simulate a pinch in or pinch out.
If you want to do a different two-finger gesture, get the two dots the distance apart that you want them to be, then hold down the shift key, while still holding down the option key. That will lock the position of the two finger presses together so you can do, for example, a two-finger swipe.
see this documentation below:
iOS Simulator User Guide
Just use the mouse to drag the view, aka, left click the view then move the mouse
I ended up disabling the scrolling from the UI and added two buttons to scroll the scroll view. Since this is a work around only for the emulator, I have used #ifndef to hide the buttons while building for the device.