animation

问题 I have a swiftUI animation based on some state: withAnimation(.linear(duration: 0.1)) { self.someState = newState } Is there any callback which is triggered when the above animation completes? If there are any suggestions on how to accomplish an animation with a completion block in SwiftUI which are not withAnimation , I'm open to those as well. I would like to know when the animation completes so I can do something else, for the purpose of this example, I just want to print to console when

问题 I have the following animation code attached to my component animations:[ trigger('slide', [ state('show', style({ height: '*' })), state('hide', style({ position: 'relative', height: 0, overflow: 'hidden' })), transition('show <=> hide',animate('130ms ease-out')) ]) ] This is quite hard to explain, (and I can't seem to get animations to work on plunker) but here goes. The current functionality is as follows: User clicks a button to display table. Table smoothly slides into view from below a

问题 Im trying to create a simple loader animation that draws a line back and forth but currently is moving only in one direction. As soon as it reaches the middle of the animation it does not animate in the oposite direction. This is my css @keyframes loader-animation { 0% { width: 0%; } 49% { width: 100%; } 50% { left: 100%; } 100% { left: 0%; width: 100% } } .loader { height: 5px; width: 100%; } .loader .bar { position: relative; height: 5px; background-color: dodgerblue; animation-name: loader

问题 I want to use Activity View Indicator on my app while it's loading, so I have LaunchScreen.storyboard. I use "Behaviour - Animating" on my AVI, but it is not animating. When I use Act.V.Indic. not in LaunchScreen - it is animating. 回答1: The LaunchScreen storyboard is static. iOS actually creates an image from the LaunchScreen and displays that image. It is impossible to have any dynamic or animated content in a LaunchScreen storyboard. If your app takes time to load, then your app should

问题 I am in the process of trying to animate my data for a presentation. I am trying to use the animation package of python to do so. What I am trying to do boils down roughly to the first example in http://jakevdp.github.io/blog/2012/08/18/matplotlib-animation-tutorial/ import numpy as np from matplotlib import pyplot as plt from matplotlib import animation # First set up the figure, the axis, and the plot element we want to animate fig = plt.figure() ax = plt.axes(xlim=(0, 2), ylim=(-2, 2))

问题 I've been looking around and it seems the most efficient and resource friendly way of animating a CustomPainter is to pass it an AnimationController as a repaint listenable, rather than using SetState(). I've tried this method, but unfortunately my CustomPaint object requires a variable that can be set both by the controller.value but also by the position of a user's pointer during a drag. class CustomScroller extends StatefulWidget { final double width; //Should be width of user's screen

问题 I've been looking around and it seems the most efficient and resource friendly way of animating a CustomPainter is to pass it an AnimationController as a repaint listenable, rather than using SetState(). I've tried this method, but unfortunately my CustomPaint object requires a variable that can be set both by the controller.value but also by the position of a user's pointer during a drag. class CustomScroller extends StatefulWidget { final double width; //Should be width of user's screen

问题 I've been looking around and it seems the most efficient and resource friendly way of animating a CustomPainter is to pass it an AnimationController as a repaint listenable, rather than using SetState(). I've tried this method, but unfortunately my CustomPaint object requires a variable that can be set both by the controller.value but also by the position of a user's pointer during a drag. class CustomScroller extends StatefulWidget { final double width; //Should be width of user's screen

问题 I am trying to run this code below but it is not working properly. I've followed the documentation from matplotlib and wonder what is wrong with this simple code below. I am tryting to animate this into jupyter notebook with anaconda distro. My python version is 2.7.10. import numpy as np from matplotlib import pyplot as plt from matplotlib import animation fig = plt.figure() def init(): m = np.zeros(4800) m[0] = 1.6 return m def animate(i): for a in range(1,4800): m[a] = 1.6 m[a-1] = 0

问题 I am trying to show a gif file in google's colab.research. I was able to save the file in the directory with the following path name /content/BrowniamMotion.gif but I don't know how to show this GIF in my notebook to present. The code to generate the GIF so far, in case someone can manipulate it not to save the GIF but rather to animate it directly into the google colab file was, # Other Brownian Motion from math import * import numpy as np import matplotlib.pyplot as plt from mpl_toolkits