IOS 图片动画效果 ios动画图片 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 主要是移动动画,可以将元素在初始化时先放到屏幕外,也就是坐标不在(x:320,y:480)内。使用CABasicAnimation 创建多个移动动画。再使用CAAnimationGroup 来管理这些动画。 伪代码如下////////bounds animationCABasicAnimation *boundsAnimation =[CABasicAnimation animationWithKeyPath:@”bounds”];[boundsAnimation setToValue:[NSValue valueWithRect:newRect]];[boundsAnimation setDuration:15.0f];[boundsAnimation setBeginTime:0.0f];///////position animationCABasicAnimation *positionAnimation =[CABasicAnimation animationWithKeyPath:@”position”];[positionAnimation setToValue:[NSValue valueWithPoint:NSMakePoint(0.0, 0.0)]];[positionAnimation setDuration:15.0f];[positionAnimation setBeginTime:5.0f];/////////border width animationCABasicAnimation *borderWidthAnimation =[CABasicAnimation animationWithKeyPath:@”borderWidth”];[borderWidthAnimation setToValue:[NSNumber numberWithFloat:30.0f]];[borderWidthAnimation setDuration:15.0f];[borderWidthAnimation setBeginTime:10.0f];///////////动画组CAAnimationGroup *group = [CAAnimationGroup animation];[group setDuration:15];[group setAnimations:[NSArray arrayWithObjects:boundsAnimation, positionAnimation,borderWidthAnimation, nil]];[layer addAnimation:group forKey:nil]; 在 viewWillAppear里, 把 imageView.frame = 屏幕外的frame, 在 viewDidAppear 里, [UIView animateWithDuration: 0.3fanimations: ^{ imageView.frame = 该显示的frame; } completion: (BOOL finished){}]; iphone开发 关于self.navgationController为nil的问题。 请问 如何在一个view上 显示两个tableview? ios开发培训改变就业难 object-c协议问题 nib文件中control-drag 控件 创建outlet遇到问题! 难道真的让我放弃sublime IOS开发我该如何学习? 求大神解决,已经试了很多方式了,就是不行;卡死了。急死本宝宝了。谢谢各位大神! ios AFNetworking下载超时怎么重试 print print_r echo 区别 IOS真机调试向服务端发送数据出现问题
CABasicAnimation *boundsAnimation =
[CABasicAnimation animationWithKeyPath:@”bounds”];
[boundsAnimation setToValue:[NSValue valueWithRect:newRect]];
[boundsAnimation setDuration:15.0f];
[boundsAnimation setBeginTime:0.0f];
///////position animation
CABasicAnimation *positionAnimation =
[CABasicAnimation animationWithKeyPath:@”position”];
[positionAnimation setToValue:[NSValue valueWithPoint:NSMakePoint(0.0, 0.0)]];
[positionAnimation setDuration:15.0f];
[positionAnimation setBeginTime:5.0f];
/////////border width animation
CABasicAnimation *borderWidthAnimation =
[CABasicAnimation animationWithKeyPath:@”borderWidth”];
[borderWidthAnimation setToValue:[NSNumber numberWithFloat:30.0f]];
[borderWidthAnimation setDuration:15.0f];
[borderWidthAnimation setBeginTime:10.0f];
///////////动画组
CAAnimationGroup *group = [CAAnimationGroup animation];
[group setDuration:15];
[group setAnimations:
[NSArray arrayWithObjects:boundsAnimation, positionAnimation,
borderWidthAnimation, nil]];
[layer addAnimation:group forKey:nil];
把 imageView.frame = 屏幕外的frame, 在 viewDidAppear 里, [UIView animateWithDuration: 0.3f
animations: ^{
imageView.frame = 该显示的frame;
}
completion: (BOOL finished){}];