本文实例为大家分享了ios实现图片抖动效果的具体代码,供大家参考,具体内容如下
效果图:
核心代码:
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// // viewcontroller.m // 图标抖动 // // created by llkj on 2017/8/29. // copyright © 2017年 laynecheung. all rights reserved. // #import "viewcontroller.h" #define angle2rad(angle) ((angle) / 180.0 *m_pi) @interface viewcontroller () @property (weak, nonatomic) iboutlet uiimageview *imagev; @end @implementation viewcontroller - ( void )viewdidload { [super viewdidload]; self.imagev.userinteractionenabled = yes; //添加长按手势 uilongpressgesturerecognizer *longpress = [[uilongpressgesturerecognizer alloc] initwithtarget:self action:@selector(longpress:)]; [self.imagev addgesturerecognizer:longpress]; } - ( void )longpress:(uilongpressgesturerecognizer *)longpress{ //创建动画对象 cakeyframeanimation *anim = [cakeyframeanimation animation]; anim.keypath = @ "transform.rotation" ; anim.values = @[@(angle2rad(-5)),@(angle2rad(5))]; anim.repeatcount = maxfloat; // anim.duration = 1; anim.autoreverses = yes; [self.imagev.layer addanimation:anim forkey:nil]; } - ( void )didreceivememorywarning { [super didreceivememorywarning]; // dispose of any resources that can be recreated. } @end |
小编再给大家补充一段ios uiview视图抖动效果的实现代码:
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/** * 抖动效果 * * @param view 要抖动的view */ - ( void )shakeanimationforview:(uiview *) view { calayer *viewlayer = view.layer; cgpoint position = viewlayer.position; cgpoint x = cgpointmake(position.x + 1, position.y); cgpoint y = cgpointmake(position.x - 1, position.y); cabasicanimation *animation = [cabasicanimation animationwithkeypath:@ "position" ]; [animation settimingfunction:[camediatimingfunction functionwithname:kcamediatimingfunctiondefault]]; [animation setfromvalue:[nsvalue valuewithcgpoint:x]]; [animation settovalue:[nsvalue valuewithcgpoint:y]]; [animation setautoreverses:yes]; [animation setduration:.06]; [animation setrepeatcount:3]; [viewlayer addanimation:animation forkey:nil]; } |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/u010981736/article/details/77683517