iphone - framework - UIView shake animation
swift ios documentation (13)
Estoy tratando de hacer un movimiento de UIView cuando se presiona un botón.
Estoy adaptando el código que encontré en http://www.cimgf.com/2008/02/27/core-animation-tutorial-window-shake-effect/ .
Sin embargo, al tratar de adaptar el siguiente código para sacudir un UIView, no funciona:
- (void)animate {
const int numberOfShakes = 8;
const float durationOfShake = 0.5f;
const float vigourOfShake = 0.1f;
CAKeyframeAnimation *shakeAnimation = [CAKeyframeAnimation animation];
CGRect frame = lockView.frame;
CGMutablePathRef shakePath = CGPathCreateMutable();
CGPathMoveToPoint(shakePath, NULL, CGRectGetMinX(frame), CGRectGetMinY(frame));
for (int index = 0; index < numberOfShakes; ++index) {
CGPathAddLineToPoint(shakePath, NULL, CGRectGetMinX(frame) - frame.size.width * vigourOfShake, CGRectGetMinY(frame));
CGPathAddLineToPoint(shakePath, NULL, CGRectGetMinX(frame) + frame.size.width * vigourOfShake, CGRectGetMinY(frame));
}
CGPathCloseSubpath(shakePath);
shakeAnimation.path = shakePath;
shakeAnimation.duration = durationOfShake;
[lockView.layer addAnimation:shakeAnimation forKey:@"frameOrigin"];
}
Aquí está la versión rápida como una extensión en caso de que alguien lo necesite
extension UIImageView{
func vibrate(){
let animation = CABasicAnimation(keyPath: "position")
animation.duration = 0.05
animation.repeatCount = 5
animation.autoreverses = true
animation.fromValue = NSValue(CGPoint: CGPointMake(self.center.x - 2.0, self.center.y))
animation.toValue = NSValue(CGPoint: CGPointMake(self.center.x + 2.0, self.center.y))
self.layer.addAnimation(animation, forKey: "position")
}
}
Esto animará un pequeño UIImageView (alrededor de 15x15). Si necesita animar algo más grande, puede cambiar el factor de movimiento 2.0 a algo mayor.
Aquí está mi versión atractiva y sencilla. Simula la sacudida que obtienes en Mac OS X cuando realizas un inicio de sesión incorrecto. Puede agregar esto como una categoría en UIView si lo desea.
@implementation UIView (DUExtensions)
- (void) shake {
CAKeyframeAnimation *animation = [CAKeyframeAnimation animationWithKeyPath:@"transform.translation.x"];
animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
animation.duration = 0.6;
animation.values = @[ @(-20), @(20), @(-20), @(20), @(-10), @(10), @(-5), @(5), @(0) ];
[self.layer addAnimation:animation forKey:@"shake"];
}
@end
Los valores de animación son el desplazamiento x desde la posición actual de las vistas. Valores positivos que cambian la vista a la derecha y valores negativos a la izquierda. Al bajarlos sucesivamente, obtienes un batido que, naturalmente, pierde impulso. Puede ajustar estos números si lo desea.
Aquí hay una versión que usa,
+ (void)animateKeyframesWithDuration:(NSTimeInterval)duration delay:(NSTimeInterval)delay options:(UIViewKeyframeAnimationOptions)options animations:(void (^)(void))animations completion:(void (^)(BOOL finished))completion
Introducido en iOS 7.
const CGFloat xDelta = 16.0f;
[UIView animateKeyframesWithDuration:0.50f
delay:0.0f
options:UIViewKeyframeAnimationOptionCalculationModeLinear
animations:^{
[UIView addKeyframeWithRelativeStartTime:0.0
relativeDuration:(1.0/6.0)
animations:^{
self.passwordTextField.transform = self.usernameTextField.transform = CGAffineTransformMakeTranslation(xDelta, 0.0);
}];
[UIView addKeyframeWithRelativeStartTime:(1.0/6.0)
relativeDuration:(1.0/6.0)
animations:^{
self.passwordTextField.transform = self.usernameTextField.transform = CGAffineTransformMakeTranslation(-xDelta, 0.0);
}];
[UIView addKeyframeWithRelativeStartTime:(1.0/3.0)
relativeDuration:(1.0/3.0)
animations:^{
self.passwordTextField.transform = self.usernameTextField.transform = CGAffineTransformMakeTranslation(xDelta/2.0, 0.0);
}];
[UIView addKeyframeWithRelativeStartTime:(2.0/3.0)
relativeDuration:(1.0/3.0)
animations:^{
self.passwordTextField.transform = self.usernameTextField.transform = CGAffineTransformIdentity;
}];
}
completion:NULL];
Aquí hay uno que usa una función de amortiguación para descomponer el batido:
- (void)shake
{
CAKeyframeAnimation* animation = [CAKeyframeAnimation animationWithKeyPath:@"position"];
animation.duration = 0.5;
animation.delegate = self;
animation.fillMode = kCAFillModeForwards;
animation.removedOnCompletion = YES;
animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionLinear];
NSMutableArray* values = [[NSMutableArray alloc] init];
int steps = 100;
double position = 0;
float e = 2.71;
for (int t = 0; t < steps; t++)
{
position = 10 * pow(e, -0.022 * t) * sin(0.12 * t);
NSValue* value = [NSValue valueWithCGPoint:CGPointMake([self center].x - position, [self center].y)];
DDLogInfo(@"Value: %@", value);
[values addObject:value];
}
animation.values = values;
[[self layer] addAnimation:animation forKey:@"position"];
}
Basado en @bandejapaisa answer, extensión UIView para Swift 3
extension UIView {
func shake() {
let animation = CAKeyframeAnimation(keyPath: "transform.translation.x")
animation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
animation.duration = 0.6
animation.values = [-20, 20, -20, 20, -10, 10, -5, 5, 0]
layer.addAnimation(animation, forKey: "shake")
}
}
C # Xamarin.iOS versión de respuesta cómo crear la animación de UIView Shake en iOS está debajo
CAKeyFrameAnimation keyframeAnimation = CAKeyFrameAnimation.GetFromKeyPath(new NSString("transform.translation.x"));
keyframeAnimation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
keyframeAnimation.Duration = 0.6f;
keyframeAnimation.Values = new NSObject[]{ new NSNumber(-20f), new NSNumber(20f), new NSNumber(-20f), new NSNumber(20f), new NSNumber(-10f), new NSNumber(10f), new NSNumber(-5f), new NSNumber(5f), new NSNumber(0f) };
shakyView.Layer.AddAnimation(keyframeAnimation, "shake");
Escribí esa publicación. Es excesivo para una UIView, además los parámetros están orientados a una aplicación OSX. Haz esto en su lugar.
CABasicAnimation *animation =
[CABasicAnimation animationWithKeyPath:@"position"];
[animation setDuration:0.05];
[animation setRepeatCount:8];
[animation setAutoreverses:YES];
[animation setFromValue:[NSValue valueWithCGPoint:
CGPointMake([lockView center].x - 20.0f, [lockView center].y)]];
[animation setToValue:[NSValue valueWithCGPoint:
CGPointMake([lockView center].x + 20.0f, [lockView center].y)]];
[[lockView layer] addAnimation:animation forKey:@"position"];
Tendrá que jugar con la duración y los parámetros repeatCount, así como la distancia x desde el centro en los valores from y to, pero debe darle lo que necesita. Espero que eso ayude. Hazme saber si tienes alguna pregunta.
---
Swift 3.0
let midX = lockView.center.x
let midY = lockView.center.y
let animation = CABasicAnimation(keyPath: "position")
animation.duration = 0.06
animation.repeatCount = 4
animation.autoreverses = true
animation.fromValue = CGPoint(x: midX - 10, y: midY)
animation.toValue = CGPoint(x: midX + 10, y: midY)
layer.add(animation, forKey: "position")
Implementación de Swift 3 basada en la respuesta @ Mihael-Isaev
private enum Axis: StringLiteralType {
case x = "x"
case y = "y"
}
extension UIView {
private func shake(on axis: Axis) {
let animation = CAKeyframeAnimation(keyPath: "transform.translation./(axis.rawValue)")
animation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
animation.duration = 0.6
animation.values = [-20, 20, -20, 20, -10, 10, -5, 5, 0]
layer.add(animation, forKey: "shake")
}
func shakeOnXAxis() {
self.shake(on: .x)
}
func shakeOnYAxis() {
self.shake(on: .y)
}
}
Prefiero esta solución que tiene un buen comportamiento elástico, ideal para una animación de batido de contraseña incorrecta.
view.transform = CGAffineTransformMakeTranslation(20, 0);
[UIView animateWithDuration:0.4 delay:0.0 usingSpringWithDamping:0.2 initialSpringVelocity:1.0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
view.transform = CGAffineTransformIdentity;
} completion:nil];
Swift 3
extension UIView {
func shake() {
self.transform = CGAffineTransform(translationX: 20, y: 0)
UIView.animate(withDuration: 0.4, delay: 0, usingSpringWithDamping: 0.2, initialSpringVelocity: 1, options: .curveEaseInOut, animations: {
self.transform = CGAffineTransform.identity
}, completion: nil)
}
}
Puede llamar a este método en el evento UIButton click
-(void)shakescreen
{
//Shake screen
CGFloat t = 5.0;
CGAffineTransform translateRight = CGAffineTransformTranslate(CGAffineTransformIdentity, t, t);
CGAffineTransform translateLeft = CGAffineTransformTranslate(CGAffineTransformIdentity, -t, -t);
self.view.transform = translateLeft;
[UIView animateWithDuration:0.05 delay:0.0 options:UIViewAnimationOptionAutoreverse|UIViewAnimationOptionRepeat animations:^
{
[UIView setAnimationRepeatCount:2.0];
self.view.transform = translateRight;
} completion:^(BOOL finished)
{
if (finished)
{
[UIView animateWithDuration:0.05 delay:0.0 options:UIViewAnimationOptionBeginFromCurrentState animations:^
{
self.view.transform = CGAffineTransformIdentity;
}
completion:NULL];
}
}];
}
Espero que esto te ayudará :-)
Puedes probar el siguiente código:
+ (void)vibrateView:(UIView*)view
{
CABasicAnimation *shiverAnimationR;
shiverAnimationR = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
shiverAnimationR.toValue = [NSNumber numberWithFloat:DEGREES_TO_RADIANS(1)];
//shiverAnimationR.toValue = [NSNumber numberWithFloat:DEGREES_TO_RADIANS(-10)];
shiverAnimationR.duration = 0.1;
shiverAnimationR.repeatCount = 1000000.0; // Use A high Value
shiverAnimationR.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
[view.layer addAnimation: shiverAnimationR forKey:@"shiverAnimationR"];
CABasicAnimation * shiverAnimationL;
shiverAnimationL = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
//shiverAnimationL 2.toValue = [NSNumber numberWithFloat:DEGREES_TO_RADIANS(10)];
shiverAnimationL.toValue = [NSNumber numberWithFloat:DEGREES_TO_RADIANS(-1)];
shiverAnimationL.duration = 0.1;
shiverAnimationL.repeatCount = 1000000.0;
shiverAnimationL.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
[view.layer addAnimation: shiverAnimationL forKey:@"shiverAnimationL"];
}
Puedes probar esta pieza de código:
para llamar al código a continuación, use: [self earthquake:myObject];
#pragma mark EarthQuake Methods
- (void)earthquake:(UIView*)itemView
{
AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
CGFloat t = 2.0;
CGAffineTransform leftQuake = CGAffineTransformTranslate(CGAffineTransformIdentity, t, -t);
CGAffineTransform rightQuake = CGAffineTransformTranslate(CGAffineTransformIdentity, -t, t);
itemView.transform = leftQuake; // starting point
[UIView beginAnimations:@"earthquake" context:itemView];
[UIView setAnimationRepeatAutoreverses:YES]; // important
[UIView setAnimationRepeatCount:3];
[UIView setAnimationDuration:0.05];
[UIView setAnimationDelegate:self];
[UIView setAnimationDidStopSelector:@selector(earthquakeEnded:finished:context:)];
itemView.transform = rightQuake; // end here & auto-reverse
[UIView commitAnimations];
}
- (void)earthquakeEnded:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context
{
if ([finished boolValue])
{
UIView* item = (UIView *)context;
item.transform = CGAffineTransformIdentity;
}
}
Refactore el código @Matt Long e hice una categoría para UIView
. Ahora es mucho más reutilizable y fácil de usar.
@implementation UIView (Animation)
- (void)shakeViewWithOffest:(CGFloat)offset {
CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"position.x"];
[animation setDuration:0.05];
[animation setRepeatCount:6];
[animation setAutoreverses:YES];
[animation setFromValue:@([self center].x-offset)];
[animation setToValue:@([self center].x+offset)];
[self.layer addAnimation:animation forKey:@"position.x"];
}
- (void)shake {
[self shakeViewWithOffest:7.0f];
}
@end