Allows the UIView to be moved elastically and the UIView to be moved elastically.

Allows the UIView to be moved elastically and the UIView to be moved elastically.
Enable UIView to move elastically by Wu xueying

[UIView animateWithDuration:1 delay:0.0 usingSpringWithDamping:0.5 initialSpringVelocity:0 options:UIViewAnimationOptionLayoutSubviews animations:^{        _moveView.top = 400;    } completion:^(BOOL finished) {        _moveView.top = 100;}];

Does Objective-C have a UIView animation? How can I slide a view from the top of the screen?

Animated: YES, that is, enable the animation effect. All programs written in Objective-c are run on the console. animation is available in IOS. As for moving the view, this is certainly okay. Write a function to change the origin of the view frame or the center point. Use a timer to trigger the function. After the timer is triggered, the coordinates are incremented until the target coordinates are reached and the timer is stopped. 44 more. After learning for a long time, you will naturally know, don't worry

How can images be moved at a constant speed?

Solve the problem. paste the code CGPoint point = CGPointFromString ([PointArray objectAtIndex: number]); float durationTime = [self distanceBetweenTwoPoint: protagonist. center point2: point]/MOVE_VELOCITY; [UIView animateWithDuration: durationTime delay: 0 opti *****: Refreshing animati *****: ^ {[UIView setAnimationCurve: Unknown]; protagonist. center = point;} completion: ^ (BOOL finished) {if (finished) {int currentPointNumber = number + 1; [self protagonistMove: PointArray protagonist: protagonist number: currentPointNumber] ;}}] ;}