animation

问题 I am trying to have my animation ease the screen from black to white to black again and repeat that a certain amount of times. Currently with the code I have the animation eases from black to white then jumps back to black. Is there anyway to run an animation in reverse or add an animation that runs after the first animation is completed? override func viewDidAppear(_ animated: Bool) { let viewColorAnimator: UIViewPropertyAnimator = UIViewPropertyAnimator.runningPropertyAnimator( withDuration

问题 I made this script, which opens a div with the right class and close the others. function showhide(id) { if (document.getElementById) { var divid = document.getElementById(id); var divs = document.getElementsByClassName("hideable"); for (var i = 0; i < divs.length; i = i + 1) { divs[i].style.display = "none"; } divid.style.display = "block"; } return false; } Is it possible to make some animation, like fadout, easeout instead of just showing it by display options? 回答1: You could try this

问题 I made this script, which opens a div with the right class and close the others. function showhide(id) { if (document.getElementById) { var divid = document.getElementById(id); var divs = document.getElementsByClassName("hideable"); for (var i = 0; i < divs.length; i = i + 1) { divs[i].style.display = "none"; } divid.style.display = "block"; } return false; } Is it possible to make some animation, like fadout, easeout instead of just showing it by display options? 回答1: You could try this

问题 I am trying to create an animation for moving a child element from one parent element to another using React. A user should be able to click on an element and see it move into another div. I made a simple demo component (without the animation) to show what I mean. When an element is clicked, the state updates and the elements are re-rendered in the correct place. class App extends React.Component { state = { list: ['Alice', 'Bob', 'Charlie', 'David', 'Emily', 'Frank'], top: [0, 1, 2], bottom:

问题 I have a BottomSheetView which has animateLayoutChanges="true" . Initially it shows up fine. But if change the visibility of a view (inside BottomSheetView ) from GONE to VISIBLE , the app messes up calculations and my BottomSheetView moves to the top of the screen. i have tried setting layout_gravity=bottom at the root of the BottomSheetView layout. But no success. Here I have the image of my BottomSheetView before changing the visibility of any view. (Click image for full size) After I

问题 Alright Im just trying to loop the background color of a view, fading between 3-4 colors. I found How to animate the backgroundColor of a ScrollView in React Native and have copied verbatim, but looking at the Snack, I believe this answer is out of date. With the following, I get the error: this.setState is not a function export default props => { let [fontsLoaded] = useFonts({ 'Inter-SemiBoldItalic': 'https://rsms.me/inter/font-files/Inter-SemiBoldItalic.otf?v=3.12', 'SequelSans-RomanDisp' :

问题 I am making an app that tracks the progress of goals. once a goal is complete, hitting 100%, an animation of confetti is displayed, but it won't stop. how would I stop the confetti animation after a certain amount of time? would I use a timer? func displayConfetti() { //creates purple confetti let purpleConfetti: UIImage = UIImage(named: "purpleConfetti")! let emitter = Emitter.get(with: purpleConfetti) emitter.emitterPosition = CGPoint(x: view.frame.size.width / 2, y: -10) emitter

问题 I'm a newbie in WPF and please, guide me in the right direction for this problem. I have built a WPF application which contains all the functionality of that of a road map view control. I.e. the road map can be zoomed in/out, panned in all directions using mouse, keyboard and the controls provided. I have mapped the roads as paths drawn using Expression Blend. Currently I am looking for a way to animate a selected road, as if it was drawn by a pencil/pen/marker. Is this possible? So far, I've

问题 I want animation like this: Calendar Animation I want to scale animation on calendar and focus on current date to centre. I am new in android animation, I do some stuff for scaling: zoom_in.xml <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" android:fillAfter="true"> <scale android:duration="1000" android:fromXScale="1" android:fromYScale="1" android:pivotX="50%" android:pivotY="50%" android:toXScale="2" android:toYScale="2" /> </set> but

问题 I want animation like this: Calendar Animation I want to scale animation on calendar and focus on current date to centre. I am new in android animation, I do some stuff for scaling: zoom_in.xml <?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android" android:fillAfter="true"> <scale android:duration="1000" android:fromXScale="1" android:fromYScale="1" android:pivotX="50%" android:pivotY="50%" android:toXScale="2" android:toYScale="2" /> </set> but