ios 关于动画用法的总结
#import "FirstVC.h"@implementation FirstVC/* 创建xib过程 1 创建xib(名字和类名相同) 2 文件拥有者为类名 3 和类的view连线 */- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{ self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self;}- (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view from its nib.}- (void)didReceiveMemoryWarning{ [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated.}//UIView属性动画- (IBAction)pressPropertyAnimation:(id)sender { //1 准备动画 //参数1: 动画的作用, 用来区分多个动画, 参数二: 传递参数用 nil:OC中使用 NULL:C语言使用 [UIView beginAnimations:@"改变大小" context:NULL]; //在准备动画的时候可以设置动画的属性 [UIView setAnimationDuration:2];//设置动画的持续时间 [UIView setAnimationDelegate:self]; [UIView setAnimationWillStartSelector:@selector(startAnimation)];// [UIView setAnimationDelay:1];//动画延迟执行时间 [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];//动画的曲线 [UIView setAnimationRepeatCount:20];//动画的重复次数 [UIView setAnimationRepeatAutoreverses:YES];//动画往返执行, 必须设置动画的重复次数 //2 修改view的属性, 可以同时修改多个属性 注意:不是所有的属性都可以修改的(只有frame, center, bounds, backgroundColor, alpha, transform 可以修改) self.changeView.frame = CGRectMake(110, 100, 100, 100);// self.changeView.backgroundColor = [UIColor brownColor]; self.changeView.backgroundColor = [UIColor colorWithRed:arc4random() % 256 / 255.0 green:arc4random() % 256 / 255.0 blue:arc4random() % 256 / 255.0 alpha:0.5]; //3 提交并执行动画 [UIView commitAnimations];}//UIView过度动画- (IBAction)pressTranstionAnimation:(id)sender { //1 准备动画 [UIView beginAnimations:@"过度动画" context:NULL]; [UIView setAnimationDuration:5]; [UIView setAnimationRepeatCount:50]; //2 设置过度样式 //参数1: 过度样式, 参数2: 指定那个View做动画, 参数3: 是否设置缓存 [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:self.changeView cache:YES]; self.changeView.backgroundColor = [UIColor colorWithRed:arc4random() % 256 / 255.0 green:arc4random() % 256 / 255.0 blue:arc4random() % 256 / 255.0 alpha:0.5]; //3 提交并执行动画 [UIView commitAnimations];}//Block动画- (IBAction)pressBlockAnimation:(id)sender { //只有一行代码 Block动画实质是对UIView动画的封装 //参数1:动画时长 参数2:Block: 设置要修改的View属性 /* [UIView animateWithDuration:2 animations:^{ self.changeView.backgroundColor = [UIColor orangeColor]; }]; */ //第二种Block /* //参数1:动画时长 参数2:Block: 设置要修改的View属性 参数3: 动画完成时调用 [UIView animateWithDuration:2 animations:^{ self.changeView.backgroundColor = [UIColor orangeColor]; } completion:^(BOOL finished) { //finished判断动画是否完成 if (finished) { NSLog(@"finished"); } }]; */ //第三种Block /* [UIView animateWithDuration:2 delay:1 options:UIViewAnimationOptionCurveEaseInOut animations:^{// 设置要修改的View属性 self.changeView.backgroundColor = [UIColor orangeColor]; } completion:^(BOOL finished) { //finished判断动画是否完成 if (finished) { NSLog(@"finished"); } }]; */ //对过度动画的封装 //参数1: 改变的View 参数2:动画时长 参数3:动画类型 参数4 Block: 设置要修改的View属性 参数5:完成后的操作 [UIView transitionWithView:self.changeView duration:2 options:UIViewAnimationOptionTransitionFlipFromLeft animations:^{ self.changeView.backgroundColor = [UIColor orangeColor]; } completion:^(BOOL finished) { //finished判断动画是否完成 if (finished) { NSLog(@"finished"); } }];}#pragma mark - AnimationDelegate//动画将要开始时调用- (void)animationWillStart:(NSString *)animationID context:(void *)context{ NSLog(@"start: %@, %@", animationID, context);}//动画结束时调用- (void)animationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context{ NSLog(@"stop: %@, %@", animationID, context);}- (void)startAnimation{ NSLog(@"self");}#import "SecondVC.h"@implementation SecondVC- (void)viewDidLoad{ [super viewDidLoad];
NSLog(@"%@", NSStringFromCGRect(self.changeView.frame)); NSLog(@"%f", CGRectGetWidth(self.changeView.frame)); //UIView和CALayer的关系 //UIView负责交互, frame以及显示CALayer //CALayer负责渲染, 并且它是UIView的一个readonly属性 /* self.changeView.layer.cornerRadius = 100;//设置圆角, 参数是内切圆的半径, 若想画一个圆, 前提是view必须是正方形, 参数应该是view边长的一半 self.changeView.layer.borderWidth = 1;//设置描边的宽度 self.changeView.layer.borderColor = [UIColor orangeColor].CGColor;//设置描边的颜色(UIView上的颜色使用的是UIColor, CALayer上使用的颜色是CGColor) self.changeView.layer.shadowOffset = CGSizeMake(50, 100);//设置阴影的偏移量 width影响水平偏移(正右负左), height影响垂直偏移(正下负上) self.changeView.layer.shadowColor = [UIColor grayColor].CGColor;//阴影的偏移的颜色 self.changeView.layer.shadowOpacity = 1;//阴影的不透明度, 取值范围(0 ~ 1), 默认是0, 就是透明的 */// CAAnimation抽象类, 使用必须要使用其具体的子类// CAPropertyAnimation抽象子类, 需要子类化// CABasicAnimation// CAKeyframeAnimation}- (void)didReceiveMemoryWarning{ [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated.}- (void)dealloc { [_changeView release]; [super dealloc];}//CABasicAnimation基本动画 没有真正的修改属性值- (IBAction)pressBasicAnimation:(id)sender { //1 创建并指定要修改的属性// KeyPath:CAlayer的属性名, 不是所有的属性都可以, 只有在头文件中出现animatable的属性才可以, 可以修改属性的属性, 例如:bounds.size// CALayer CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"bounds"]; [basic setDuration:2]; //2 修改属性值 basic.fromValue = [NSValue valueWithCGRect:CGRectMake(0, 0, self.changeView.bounds.size.width, self.changeView.bounds.size.height)]; basic.toValue = [NSValue valueWithCGRect:CGRectMake(0, 0, 300, 300)];// basic.byValue = //3 添加动画 //key做区分动画用 [self.changeView.layer addAnimation:basic forKey:@"changColor"];}//CAKeyframeAnimation关键帧动画- (IBAction)pressKeyFrameAnimation:(id)sender { /* //1 创建动画 CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animationWithKeyPath:@"bounds"]; [keyFrame setDuration:2]; //2 修改属性 keyFrame.values = @[[NSValue valueWithCGRect:CGRectMake(0, 0, self.changeView.bounds.size.width, self.changeView.bounds.size.height)], [NSValue valueWithCGRect:CGRectMake(0, 0, 250, 250)], [NSValue valueWithCGRect:CGRectMake(0, 0, 300, 300)]];// keyTimes:值代表了出现动画的时刻, 值得范围是0~1, 值必须是递增的, keyTimes和values是一一对应的 keyFrame.keyTimes = @[@(0.4), @(0.6), @(1)]; //3 添加动画 [self.changeView.layer addAnimation:keyFrame forKey:@"keyFrame"]; */ CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animationWithKeyPath:@"backgroundColor"]; [keyFrame setDuration:10]; keyFrame.values = @[(id)[UIColor redColor].CGColor, (id)[UIColor orangeColor].CGColor, (id)[UIColor yellowColor].CGColor, (id)[UIColor greenColor].CGColor, (id)[UIColor blueColor].CGColor]; //keyTimes中的第一个值是0, 不能修改 keyFrame.keyTimes = @[@(0.3), @(0.5), @(0.6), @(0.7), @(0.9)]; [self.changeView.layer addAnimation:keyFrame forKey:nil];}// CATransaction 过度动画- (IBAction)pressTransition:(id)sender { //1 创建 CATransition *transition = [CATransition animation]; [transition setDuration:2]; //2 设置过度样式 transition.type = kCATransitionReveal;//控制样式 transition.subtype = kCATransitionFromTop;//控制方向 //添加动画 [self.changeView.layer addAnimation:transition forKey:nil];}// CAAnimationGroup 组动画- (IBAction)pressAnimationGroup:(id)sender { //1 创建并指定要修改的属性 // KeyPath:CAlayer的属性名, 不是所有的属性都可以, 只有在头文件中出现animatable的属性才可以, 可以修改属性的属性, 例如:bounds.size // CALayer CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"bounds"]; [basic setDuration:2]; //2 修改属性值 basic.fromValue = [NSValue valueWithCGRect:CGRectMake(0, 0, self.changeView.bounds.size.width, self.changeView.bounds.size.height)]; basic.toValue = [NSValue valueWithCGRect:CGRectMake(0, 0, 300, 300)]; CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animationWithKeyPath:@"backgroundColor"]; [keyFrame setDuration:5]; keyFrame.values = @[(id)[UIColor redColor].CGColor, (id)[UIColor orangeColor].CGColor, (id)[UIColor yellowColor].CGColor, (id)[UIColor greenColor].CGColor, (id)[UIColor blueColor].CGColor]; //keyTimes中的第一个值是0, 不能修改 keyFrame.keyTimes = @[@(0.3), @(0.5), @(0.6), @(0.7), @(0.9)]; // 创建 //当group动画的时长 > 组中所有动画的最长时长, 动画的时长以组中最长的时长为准 //当group动画的时长 < 组中所有动画的最长时长, 动画的时长以group的时长为准 //最合适: group的时长 = 组中所有动画的最长时长 CAAnimationGroup *group = [CAAnimationGroup animation]; [group setDuration:10]; //设置组动画 group.animations = @[basic, keyFrame]; //添加动画 [self.changeView.layer addAnimation:group forKey:nil];}@end
