這篇文章將為大家詳細(xì)講解有關(guān)IOS開(kāi)發(fā)之UIView動(dòng)畫(huà)的示例分析,小編覺(jué)得挺實(shí)用的,因此分享給大家做個(gè)參考,希望大家閱讀完這篇文章后可以有所收獲。
網(wǎng)站建設(shè)哪家好,找創(chuàng)新互聯(lián)公司!專(zhuān)注于網(wǎng)頁(yè)設(shè)計(jì)、網(wǎng)站建設(shè)、微信開(kāi)發(fā)、微信小程序、集團(tuán)企業(yè)網(wǎng)站建設(shè)等服務(wù)項(xiàng)目。為回饋新老客戶創(chuàng)新互聯(lián)還提供了延平免費(fèi)建站歡迎大家使用!IOS 動(dòng)畫(huà)實(shí)例詳解
iOS動(dòng)畫(huà)的實(shí)現(xiàn)方式多種多樣,這里就只記錄一下 beginAnimations:context 。
在你調(diào)用 beginAnimations:context:方法來(lái)啟動(dòng)一個(gè)動(dòng)畫(huà)后,動(dòng)畫(huà)并不會(huì)立即被執(zhí)行,直 到你調(diào)用 UIView 類(lèi)的 commitAnimations 類(lèi)方法。你對(duì)一個(gè)視圖對(duì)象執(zhí)行的介于 beginAnimations:context:方法跟 commitAnimations方法之間的操作(例如移動(dòng))會(huì)在 commitAnimations 被執(zhí)行后才會(huì)生效 。
實(shí)現(xiàn)效果圖:
代碼很簡(jiǎn)單,直接貼了,如下:
// // ViewController.m // Graphics // // Created by aaron on 14b-5-29. // Copyright (c) 2014年 The Technology Studio. All rights reserved. // #import "ViewController.h" @interface ViewController () @property(nonatomic,strong) UIImageView *imageView1; @property(nonatomic,strong) UIImageView *imageView2; @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; UIImage *image = [UIImage imageNamed:@"1.png"]; self.imageView1 = [[UIImageView alloc] initWithImage:image]; self.imageView2 = [[UIImageView alloc] initWithImage:image]; [self.imageView1 setFrame:CGRectMake(0.0f, 0.0f, 100.0f, 100.0f)]; [self.imageView2 setFrame:CGRectMake(220.0f, 350.0f, 100.0f, 100.0f)]; [self.view addSubview:self.imageView1]; [self.view addSubview:self.imageView2]; // [self startTopLeftImageViewAnimation]; // [self startBottomRightViewAnimationAfterDelay:2]; [self affineTransformScaleAnimation]; [self affineTransformRotateAnimation]; } //imageView2 animation -(void)startTopLeftImageViewAnimation{ [self.imageView1 setFrame:CGRectMake(0.0f, 0.0f, 100.0f, 100.0f)]; [self.imageView1 setAlpha:1.0f]; [UIView beginAnimations:@"imageView1Animation" context:(__bridge void*)self.imageView1]; [UIView setAnimationDuration:3.0f]; [UIView setAnimationDelegate:self]; [UIView setAnimationDidStopSelector:@selector(imageViewDidStop:finished:context:)]; [self.imageView1 setFrame:CGRectMake(220.0f, 350.0f, 100.0f, 100.0f)]; [self.imageView1 setAlpha:0.0f]; [UIView commitAnimations]; } -(void)imageViewDidStop:(NSString*)paramAnimationID finished:(NSNumber*)paramFinished context:(void*)paramContext{ NSLog(@"AnimationID = %@\n",paramAnimationID); UIImageView *contextImageView = (__bridge UIImageView *)(paramContext); NSLog(@"contextImageView = %@",contextImageView); [contextImageView removeFromSuperview]; } //imageView2 animation -(void)startBottomRightViewAnimationAfterDelay:(CGFloat)paramDelay{ [self.imageView2 setFrame:CGRectMake(220.0f, 350.0f, 100.0f, 100.0f)]; [self.imageView2 setAlpha:1.0f]; [UIView beginAnimations:@"imageView2Animation" context:(__bridge voidvoid *)(self.imageView2)]; [UIView setAnimationDuration:3.0f]; [UIView setAnimationDelay:paramDelay]; [UIView setAnimationDelegate:self]; [UIView setAnimationDidStopSelector:@selector(imageViewDidStop:finished:context:)]; [self.imageView2 setFrame:CGRectMake(0.0f, 0.0f, 100.0f, 100.0f)]; [self.imageView2 setAlpha:0.0f]; [UIView commitAnimations]; } //imageView1 AffineTransformScale animation -(void)affineTransformScaleAnimation{ self.imageView1.center = self.view.center; self.imageView1.transform = CGAffineTransformIdentity; [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:5.0f]; self.imageView1.transform = CGAffineTransformMakeScale(2.0f, 2.0f); [self.imageView1 setAlpha:0.0f]; [UIView commitAnimations]; } //imageView2 AffineTransformRotate animation -(void)affineTransformRotateAnimation{ self.imageView2.center = self.view.center; [UIView beginAnimations:@"clockwiseAnimation" context:NULL]; [UIView setAnimationDuration:5.0f]; [UIView setAnimationDelegate:self]; [UIView setAnimationDidStopSelector:@selector(clockwiseRotationStopped:finished:context:)]; self.imageView2.transform = CGAffineTransformMakeRotation(90.0f*M_PI/180.f); [UIView commitAnimations]; } -(void)clockwiseRotationStopped:(NSString*)paramAnimationID finished:(NSNumber*)paramFinished context:(void*)paramContext{ [UIView beginAnimations:@"counterclockwiseAnimation" context:NULL]; [UIView setAnimationDuration:5.0f]; self.imageView2.transform = CGAffineTransformIdentity; [UIView commitAnimations]; } @end
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