简单的动画效果

作者: 王道ob | 来源:发表于2016-08-20 20:44 被阅读91次

前言

一些简单的动画效果,会让你的界面看起来更加酷炫,这里我就把一些简单的实现动画效果的方法总结了一些.下面我就开始介绍下吧

UIView(1)

// 简单介绍这个API
// 参数1 : 是动画持续的时间.
// 参数2 : 延迟的时间.
// 参数3 :  阻尼.
// 参数4 : 是速率
// 参数5 : 选择动画的各种方式.是一个按位枚举
// 参数6 : 是一个block. 在block中完成,你需要的动画效果. 比如改变某个视图的位子.大小.
// 参数7 : 动画完成之后要做的事情
[UIView animateWithDuration:2 delay:0 usingSpringWithDamping:0.9 initialSpringVelocity:10 options:0 animations:^{       
        [UIView setAnimationRepeatCount:2];
        
        self.viewOfGray.frame = CGRectMake(0, 200, 375, 120);
    } completion:^(BOOL finished) {
    }];

注释: 
这是options的枚举
typedef NS_OPTIONS(NSUInteger, UIViewAnimationOptions) {
    UIViewAnimationOptionLayoutSubviews            = 1 <<  0,
    UIViewAnimationOptionAllowUserInteraction      = 1 <<  1, // turn on user interaction while animating
    UIViewAnimationOptionBeginFromCurrentState     = 1 <<  2, // start all views from current value, not initial value
    UIViewAnimationOptionRepeat                    = 1 <<  3, // repeat animation indefinitely
    UIViewAnimationOptionAutoreverse               = 1 <<  4, // if repeat, run animation back and forth
    UIViewAnimationOptionOverrideInheritedDuration = 1 <<  5, // ignore nested duration
    UIViewAnimationOptionOverrideInheritedCurve    = 1 <<  6, // ignore nested curve
    UIViewAnimationOptionAllowAnimatedContent      = 1 <<  7, // animate contents (applies to transitions only)
    UIViewAnimationOptionShowHideTransitionViews   = 1 <<  8, // flip to/from hidden state instead of adding/removing
    UIViewAnimationOptionOverrideInheritedOptions  = 1 <<  9, // do not inherit any options or animation type
    
    UIViewAnimationOptionCurveEaseInOut            = 0 << 16, // default
    UIViewAnimationOptionCurveEaseIn               = 1 << 16,
    UIViewAnimationOptionCurveEaseOut              = 2 << 16,
    UIViewAnimationOptionCurveLinear               = 3 << 16,
    
    UIViewAnimationOptionTransitionNone            = 0 << 20, // default
    UIViewAnimationOptionTransitionFlipFromLeft    = 1 << 20,
    UIViewAnimationOptionTransitionFlipFromRight   = 2 << 20,
    UIViewAnimationOptionTransitionCurlUp          = 3 << 20,
    UIViewAnimationOptionTransitionCurlDown        = 4 << 20,
    UIViewAnimationOptionTransitionCrossDissolve   = 5 << 20,
    UIViewAnimationOptionTransitionFlipFromTop     = 6 << 20,
    UIViewAnimationOptionTransitionFlipFromBottom  = 7 << 20,

UIView(2)

 
    // 准备开始动画
    [UIView beginAnimations:@"abc" context:nil];
    
    // 设置动画参数
//执行的时间
    [UIView setAnimationDuration:2];
// 动画执行的次数
    [UIView setAnimationRepeatCount:CGFLOAT_MAX];
    [UIView setAnimationRepeatAutoreverses:YES];    
    // 控件属性的更改
    self.viewOF.backgroundColor = [UIColor blueColor];
    self.viewOF.frame = CGRectMake(50, 50, 60, 50);
    self.viewOfGray.frame = CGRectMake(0, 200, 375, 120);
    self.viewOfGray.backgroundColor = [UIColor redColor];
    
    // 提交动画.
    [UIView commitAnimations];

CABasicAnimation

  // 创建动画对象.
    CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"transform.scale.y"];
    
    // 动画对象的API设置.
    basic.fromValue = @1;
    basic.toValue = @0.5;
    basic.duration = 1;
    basic.autoreverses = YES;
    basic.repeatCount = CGFLOAT_MAX;
    
  
    // layer层上添加动画.
    [self.viewOfGray.layer addAnimation:basic forKey:@"basic"];


CAAnimationGroup动画组

// 创建动画组对象.
    CAAnimationGroup *group = [CAAnimationGroup animation];
    
    // 第一个动画
    CABasicAnimation *basic1 = [CABasicAnimation animationWithKeyPath:@"transform.scale.y"];
    basic1.fromValue = @1;
    basic1.toValue = @0.2;
    // 第二个动画
    CABasicAnimation *basic2 = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];    
    basic2.fromValue = @2;
    basic2.toValue = @M_PI;
    
   // 设置动画组的一些属性 
    group.animations = @[basic1, basic2];
    group.duration = 2;
    group.autoreverses = YES;
    group.repeatCount = CGFLOAT_MAX;
       
    // layer层添加动画对象.
    [self.viewOfGray.layer addAnimation:group forKey:@"group"];

CAKeyFrameAnimation

 // 创建动画对象
    CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animationWithKeyPath:@"position"];
    
    // 设置动画的API
    
    // 通过函数创建CGPathRef结构体.
    CGMutablePathRef path = CGPathCreateMutable();
    
    // 起始点
    CGPathMoveToPoint(path, nil, self.viewOfRed.center.x, self.viewOfRed.center.y);
    
    // 路径经过的点(直线移动).
//    CGPathAddLineToPoint(path, nil, 200, 200);
//    CGPathAddLineToPoint(path, nil, 200, 300);
//    CGPathAddLineToPoint(path, nil, 300, 300);
        
    // 路径经过的点(曲线移动).
    CGPathAddCurveToPoint(path, nil, self.viewOfRed.center.x, self.viewOfRed.center.y, self.viewOfRed.center.x, self.viewOfRed.center.y + 100, self.viewOfRed.center.x + 100, self.viewOfRed.center.y + 100);
        
    keyFrame.path = path;
    keyFrame.duration = 2;
    keyFrame.autoreverses = YES;
    keyFrame.repeatCount = CGFLOAT_MAX;
    
    // layer层添加动画.
    [self.viewOfRed.layer addAnimation:keyFrame forKey:@"keyFrame"];

CATransition

    // 创建动画对象.
    CATransition *sition = [CATransition animation];
    
    // 设置动画API
    sition.type = @"cameraIrisHollowOpen";
    
    sition.duration = 2;
    sition.autoreverses = YES;
    sition.repeatCount = CGFLOAT_MAX;
      
    // layer上添加动画.
    [self.viewOfGray.layer addAnimation:sition forKey:@"sition"];

总结

这就是小编总结的一些实现动画效果的方法,这里也是简单的介绍.实现的也是一些简单的动画, 如果需要,你们可以研究一些更酷炫的动画效果哦.
希望会对你们有些小的帮助.也希望多提一些宝贵的意见.

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