Authored by 许高强

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}</style><title>YHAnimationKit使用一览</title></head><body><article class="markdown-body"><h1>
<a id="user-content-yhanimationkit使用一览" class="anchor" href="#yhanimationkit%E4%BD%BF%E7%94%A8%E4%B8%80%E8%A7%88" aria-hidden="true"><span class="octicon octicon-link"></span></a>YHAnimationKit使用一览</h1>
<p>POP原始使用方法:</p>
<div class="highlight highlight-objc"><pre>POPSpringAnimation *animation = [<span class="pl-v">self</span>.boxView <span class="pl-s3">pop_animationForKey:</span><span class="pl-s1"><span class="pl-pds">@"</span>bounds<span class="pl-pds">"</span></span>];
<span class="pl-k">if</span> (!animation) {
animation = [POPSpringAnimation <span class="pl-s3">animationWithPropertyNamed:</span><span class="pl-c1">kPOPViewBounds</span>];
}
animation.toValue = [<span class="pl-s3">NSValue</span> <span class="pl-s3">valueWithCGRect:</span><span class="pl-s3">CGRectMake</span>(<span class="pl-c1">0</span>, <span class="pl-c1">0</span>, <span class="pl-c1">200</span>, <span class="pl-c1">200</span>)];
[<span class="pl-v">self</span>.boxView <span class="pl-s3">pop_addAnimation:</span>animation <span class="pl-s3">forKey:</span><span class="pl-s1"><span class="pl-pds">@"</span>bounds<span class="pl-pds">"</span></span>];</pre></div>
<p>现在使用方法:</p>
<div class="highlight highlight-objc"><pre>self.boxView.spring.bounds = CGRectMake(<span class="pl-c1">0</span>, <span class="pl-c1">0</span>, <span class="pl-c1">200</span>, <span class="pl-c1">200</span>);</pre></div>
<h3>
<a id="user-content-弹簧动画" class="anchor" href="#%E5%BC%B9%E7%B0%A7%E5%8A%A8%E7%94%BB" aria-hidden="true"><span class="octicon octicon-link"></span></a>弹簧动画</h3>
<div class="highlight highlight-objc"><pre>self.boxView.springBounciness = <span class="pl-c1">20</span>;
self.boxView.springSpeed = <span class="pl-c1">20</span>;
self.boxView.spring.center = viewCenter;</pre></div>
<h3>
<a id="user-content-减速动画" class="anchor" href="#%E5%87%8F%E9%80%9F%E5%8A%A8%E7%94%BB" aria-hidden="true"><span class="octicon octicon-link"></span></a>减速动画</h3>
<div class="highlight highlight-objc"><pre>self.boxView.velocity.center = [pan <span class="pl-s3">velocityInView:</span><span class="pl-v">self</span>.boxView];
self.boxView.decayDeceleration = <span class="pl-c1">0.998</span>;
[<span class="pl-v">self</span>.boxView.decay <span class="pl-s3">center</span>];</pre></div>
<h3>
<a id="user-content-基础动画" class="anchor" href="#%E5%9F%BA%E7%A1%80%E5%8A%A8%E7%94%BB" aria-hidden="true"><span class="octicon octicon-link"></span></a>基础动画</h3>
<div class="highlight highlight-objc"><pre>self.boxView.duration = <span class="pl-c1">1</span>;
self.boxView.easeInEaseOut.center = CGPointMake(<span class="pl-c1">10</span>, <span class="pl-c1">10</span>);
self.boxView.easeInEaseOut.rotation = M_PI;</pre></div>
<h3>
<a id="user-content-动画组" class="anchor" href="#%E5%8A%A8%E7%94%BB%E7%BB%84" aria-hidden="true"><span class="octicon octicon-link"></span></a>动画组</h3>
<div class="highlight highlight-objc"><pre>[NSObject <span class="pl-s3">animate:</span>^{
self.<span class="pl-vo">boxView</span>.<span class="pl-vo">spring</span>.<span class="pl-vo">alpha</span> = <span class="pl-c1">0.5</span>;
self.<span class="pl-vo">boxView</span>.<span class="pl-vo">spring</span>.<span class="pl-vo">bounds</span> = <span class="pl-s3">CGRectMake</span>(<span class="pl-c1">0</span>, <span class="pl-c1">0</span>, <span class="pl-c1">200</span>, <span class="pl-c1">200</span>);
self.<span class="pl-vo">boxView</span>.<span class="pl-vo">spring</span>.<span class="pl-vo">backgroundColor</span> = [UIColor <span class="pl-s3">blueColor</span>];
} <span class="pl-s3">completion:</span>^(<span class="pl-st">BOOL</span> finished) {
self.<span class="pl-vo">boxView</span>.<span class="pl-vo">alpha</span> = <span class="pl-c1">1</span>;
self.<span class="pl-vo">boxView</span>.<span class="pl-vo">spring</span>.<span class="pl-vo">bounds</span> = <span class="pl-s3">CGRectMake</span>(<span class="pl-c1">0</span>, <span class="pl-c1">0</span>, <span class="pl-c1">100</span>, <span class="pl-c1">100</span>);
self.<span class="pl-vo">boxView</span>.<span class="pl-vo">spring</span>.<span class="pl-vo">backgroundColor</span> = [UIColor <span class="pl-s3">redColor</span>];
self.<span class="pl-vo">boxView</span>.<span class="pl-vo">spring</span>.<span class="pl-vo">center</span> = viewCenter;
}];</pre></div>
<h3>
<a id="user-content-停止动画" class="anchor" href="#%E5%81%9C%E6%AD%A2%E5%8A%A8%E7%94%BB" aria-hidden="true"><span class="octicon octicon-link"></span></a>停止动画</h3>
<p>如果要显式停止一个动画,可以像下面这样写:</p>
<div class="highlight highlight-objc"><pre>[<span class="pl-v">self</span>.boxView.pop_stop <span class="pl-s3">bounds</span>];<span class="pl-c">// 停止bounds动画</span>
[<span class="pl-v">self</span>.boxView.layer.pop_stop <span class="pl-s3">rotation</span>];<span class="pl-c">// 停止旋转动画</span>
[<span class="pl-v">self</span>.messageLabel.pop_stop <span class="pl-s3">textColor</span>];<span class="pl-c">// 停止改变字体颜色动画</span></pre></div>
<h3>
<a id="user-content-延时动画" class="anchor" href="#%E5%BB%B6%E6%97%B6%E5%8A%A8%E7%94%BB" aria-hidden="true"><span class="octicon octicon-link"></span></a>延时动画</h3>
<p>如需要,可以设置beginTime来实现延时:</p>
<div class="highlight highlight-objc"><pre>circle.beginTime = CACurrentMediaTime() + <span class="pl-c1">0.1</span>
circle.spring.alpha = <span class="pl-c1">1</span>;
circle.spring.scaleXY = CGPointMake(<span class="pl-c1">1</span>, <span class="pl-c1">1</span>);</pre></div>
<h3>
<a id="user-content-nsarray组实现序列动画" class="anchor" href="#nsarray%E7%BB%84%E5%AE%9E%E7%8E%B0%E5%BA%8F%E5%88%97%E5%8A%A8%E7%94%BB" aria-hidden="true"><span class="octicon octicon-link"></span></a>NSArray组实现序列动画</h3>
<p>像下面这样:</p>
<div class="highlight highlight-objc"><pre>[circles <span class="pl-s3">sequenceWithInterval:</span><span class="pl-c1">0.1</span> <span class="pl-s3">animations:</span>^(UIView *circle, <span class="pl-st">NSInteger</span> <span class="pl-s3">index</span>){
circle.<span class="pl-vo">spring</span>.<span class="pl-vo">center</span> = position;
circle.<span class="pl-vo">spring</span>.<span class="pl-vo">alpha</span> = <span class="pl-c1">1</span>;
circle.<span class="pl-vo">spring</span>.<span class="pl-vo">scaleXY</span> = <span class="pl-s3">CGPointMake</span>(<span class="pl-c1">1</span>, <span class="pl-c1">1</span>);
} <span class="pl-s3">completion:</span>^(<span class="pl-st">BOOL</span> finished){
}];</pre></div>
<h3>
<a id="user-content-自定义属性动画" class="anchor" href="#%E8%87%AA%E5%AE%9A%E4%B9%89%E5%B1%9E%E6%80%A7%E5%8A%A8%E7%94%BB" aria-hidden="true"><span class="octicon octicon-link"></span></a>自定义属性动画</h3>
<p>先注册一个动画,使用readBlock来获取原始值,writeBlock来改变属性,threshold是一个值用来告诉POP属性改变了多少来触发write操作</p>
<div class="highlight highlight-objc"><pre>[UILabel <span class="pl-s3">registerAnimatablePropertyWithName:</span><span class="pl-s1"><span class="pl-pds">@"</span>textColor<span class="pl-pds">"</span></span> <span class="pl-s3">readBlock:</span>^(UILabel *label, <span class="pl-s3">CGFloat</span> values[]) {
<span class="pl-s3">POPUIColorGetRGBAComponents</span>(label.<span class="pl-vo">textColor</span>, values);
} <span class="pl-s3">writeBlock:</span>^(UILabel *label, <span class="pl-s">const</span> <span class="pl-s3">CGFloat</span> values[]) {
label.<span class="pl-vo">textColor</span> = <span class="pl-s3">POPUIColorRGBACreate</span>(values);
} <span class="pl-s3">threshold:</span><span class="pl-c1">0.01</span>];</pre></div>
<p>然后,只要直接设置下,就能触发动画来改变属性:</p>
<div class="highlight highlight-objc"><pre>self.messageLabel.spring.textColor = [UIColor <span class="pl-s3">blackColor</span>];</pre></div>
<h2>
<a id="user-content-备注" class="anchor" href="#%E5%A4%87%E6%B3%A8" aria-hidden="true"><span class="octicon octicon-link"></span></a>备注</h2>
<p>对于属性,默认已经开启了简写模式,即:<code>pop_positionX</code>可以直接写成<code>positionX</code>
如果因为工程里出现命名冲突,在<code>YHAnimationConfigure.h</code>中把<code>YHANIMATE_SHORTHAND</code>宏注释掉即可。
<a href="/Users/gaoqiangxu/Documents/YHAnimationConfigure.png" target="_blank"><img src="/Users/gaoqiangxu/Documents/YHAnimationConfigure.png" alt="ShorthandCancel" style="max-width:100%;"></a></p>
<p>支持的属性列表如下,左边是简写,括号内是不简写:</p>
<h4>
<a id="user-content-calayer" class="anchor" href="#calayer" aria-hidden="true"><span class="octicon octicon-link"></span></a>CALayer</h4>
<ul>
<li>backgroundColor</li>
<li>bounds</li>
<li>opacity</li>
<li>position</li>
<li>zPosition</li>
<li>positionX(pop_positionX)</li>
<li>positionY(pop_positionY)</li>
<li>rotation(pop_rotation)</li>
<li>rotationX(pop_rotationX)</li>
<li>rotationY(pop_rotationY)</li>
<li>scaleX(pop_scaleX)</li>
<li>scaleY(pop_scaleY)</li>
<li>scaleXY(pop_scaleXY)</li>
<li>translationX(pop_translationX)</li>
<li>translationXY(pop_translationXY)</li>
<li>translationY(pop_translationY)</li>
<li>translationZ(pop_translationZ)</li>
<li>size(pop_size)</li>
</ul>
<h4>
<a id="user-content-cashapelayer" class="anchor" href="#cashapelayer" aria-hidden="true"><span class="octicon octicon-link"></span></a>CAShapeLayer</h4>
<ul>
<li>strokeColor</li>
<li>strokeStart</li>
<li>strokeEnd</li>
</ul>
<h4>
<a id="user-content-nslayoutconstraint" class="anchor" href="#nslayoutconstraint" aria-hidden="true"><span class="octicon octicon-link"></span></a>NSLayoutConstraint</h4>
<ul>
<li>constant</li>
</ul>
<h4>
<a id="user-content-uiview" class="anchor" href="#uiview" aria-hidden="true"><span class="octicon octicon-link"></span></a>UIView</h4>
<ul>
<li>alpha</li>
<li>backgroundColor</li>
<li>bounds</li>
<li>center</li>
<li>frame</li>
<li>scaleX(pop_scaleX)</li>
<li>scaleY(pop_scaleY)</li>
<li>scaleXY(pop_scaleXY)</li>
</ul>
<h4>
<a id="user-content-uiscrollview" class="anchor" href="#uiscrollview" aria-hidden="true"><span class="octicon octicon-link"></span></a>UIScrollView</h4>
<ul>
<li>contentOffset</li>
<li>contentSize</li>
</ul>
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