I have a UITableView that has two modes. When we switch between the modes I have a different number of sections and cells per section. Ideally, it would do some cool animation when the table grows or shrinks. Here is the code I tried, but it doesn’t do anything: CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil … Read more
This question already has answers here: How do I animate constraint changes? (12 answers) Closed 6 years ago. I am trying to animate up some views so that they are blocked by the giant keyboard in landscape. It works well if I simply animate the frames, but others have suggested that this is counter-productive and … Read more
I have three activities whose launch modes are single instance. Using onfling(), I swing them left and right. The problem is when I swipe right to left the slide transition is okay but when I swipe left to right, I get the transition of swiping right to left. I know why this is happening its … Read more
In iOS, there is a very easy and powerful facility to animate the addition and removal of UITableView rows, here’s a clip from a youtube video showing the default animation. Note how the surrounding rows collapse onto the deleted row. This animation helps users keep track of what changed in a list and where in … Read more
Is it possible to run two animations on two different elements simultaneously? I need the opposite of this question Jquery queueing animations. I need to do something like this… $(‘#first’).animate({ width: 200 }, 200); $(‘#second’).animate({ width: 600 }, 200); but to run those two at the same time. The only thing I could think of … Read more
I’m trying to add a row to a table and have that row slide into view, however the slidedown function seems to be adding a display:block style to the table row which messes up the layout. Any ideas how to work around this? Here’s the code: $.get(‘/some_url’, { ‘val1’: id }, function (data) { var … Read more
I have an UIImageView with an image. Now I have a completely new image (graphic file), and want to display that in this UIImageView. If I just set myImageView.image = newImage; the new image is visible immediately. Not animatable. I want it to nicely fade into the new image. I thought maybe there’s a better … Read more
I have a navigation based application and I want to change the animation of the push and pop animations. How would I do that? Edit 2018 There have been many answers to this question and it’s been quite awhile now, I have re-chosen the answer to what I believe to be the most relevant now. … Read more
I’m using a RotateAnimation to rotate an image that I’m using as a custom cyclical spinner in Android. Here’s my rotate_indefinitely.xml file, which I placed in res/anim/: <?xml version=”1.0″ encoding=”UTF-8″?> <rotate xmlns:android=”http://schemas.android.com/apk/res/android” android:fromDegrees=”0″ android:toDegrees=”360″ android:pivotX=”50%” android:pivotY=”50%” android:repeatCount=”infinite” android:duration=”1200″ /> When I apply this to my ImageView using AndroidUtils.loadAnimation(), it works great! spinner.startAnimation( AnimationUtils.loadAnimation(activity, R.anim.rotate_indefinitely) ); … Read more
I’m trying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position. How can I achieve this? The latest thing I’ve tried is: [UIView animateWithDuration:1.0 delay:0.0 options:0 animations:^{ imageToMove.transform = CGAffineTransformMakeRotation(M_PI); } completion:^(BOOL finished){ … Read more
