IOS炫酷的引导界面

代码地址如下：
http://www.demodashi.com/demo/11246.html

一、准备工作

1.先用时ps工具制作好图片
2.然后计算好每张图片通过滑动视图的偏移量来改变图片的位置
3.理顺该demo将需要的一些逻辑顺序

二、程序实现

项目中不需要配置任何东西，全都是逻辑方面的东西，只要思维逻辑清楚，我们就开始干

由上面可以知道，其实该demo的代码不是很大。

1、所有的图片的初始位置进行定义

-(void)createUI
{//1pageoneImage1 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 40, ScreenWidth, 30)];pageoneImage1.image = [UIImage imageNamed:@"1_01"];[imageView1 addSubview:pageoneImage1];pageoneImage2 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 100, ScreenWidth, ScreenWidth)];pageoneImage2.image = [UIImage imageNamed:@"1_02"];[imageView1 addSubview:pageoneImage2];pageoneImage3 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 120, ScreenWidth, ScreenWidth/4)];pageoneImage3.image = [UIImage imageNamed:@"1_03"];[imageView1 addSubview:pageoneImage3];pageoneImage4 = [[UIImageView alloc]initWithFrame:CGRectMake(ScreenWidth/6, CGRectGetMaxY(pageoneImage2.frame)+10, ScreenWidth*2/3, 50)];pageoneImage4.image = [UIImage imageNamed:@"1_04"];[imageView1 addSubview:pageoneImage4];pageoneImage5 = [[UIImageView alloc]initWithFrame:CGRectMake(40, CGRectGetMaxY(pageoneImage4.frame)+10, ScreenWidth-80, 40)];pageoneImage5.image = [UIImage imageNamed:@"1_05"];[imageView1 addSubview:pageoneImage5];//2pageoneImage1 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 40, ScreenWidth, 30)];pageoneImage1.image = [UIImage imageNamed:@"1_01"];[imageView2 addSubview:pageoneImage1];pagetwoImage1 = [[UIImageView alloc]initWithFrame:CGRectMake(-ScreenWidth/2, 100-ScreenWidth/2, ScreenWidth*2, ScreenWidth*2)];pagetwoImage1.image = [UIImage imageNamed:@"2_01"];[imageView2 addSubview:pagetwoImage1];pagetwoImage2 = [[UIImageView alloc]initWithFrame:CGRectMake(0, CGRectGetMaxY(pagetwoImage1.frame)+10, ScreenWidth, 60)];pagetwoImage2.image = [UIImage imageNamed:@"2_02"];[imageView2 addSubview:pagetwoImage2];pagetwoImage3 = [[UIImageView alloc]initWithFrame:CGRectMake(0, CGRectGetMaxY(pagetwoImage2.frame)+10, ScreenWidth, 30)];pagetwoImage3.image = [UIImage imageNamed:@"2_03"];[imageView2 addSubview:pagetwoImage3];//3pageoneImage1 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 40, ScreenWidth, 30)];pageoneImage1.image = [UIImage imageNamed:@"1_01"];[imageView3 addSubview:pageoneImage1];pagethreeImage1 = [[UIImageView alloc]initWithFrame:CGRectMake(0, 100, ScreenWidth, ScreenWidth*31/36)];pagethreeImage1.image = [UIImage imageNamed:@"3_01"];[imageView3 addSubview:pagethreeImage1];pagethreeImage2 = [[UIImageView alloc]initWithFrame:CGRectMake(ScreenWidth, 100, ScreenWidth, ScreenWidth*31/36)];pagethreeImage2.image = [UIImage imageNamed:@"3_02"];[imageView3 addSubview:pagethreeImage2];pagethreeImage3 = [[UIImageView alloc]initWithFrame:CGRectMake(ScreenWidth/2, 100, ScreenWidth, ScreenWidth*31/36)];pagethreeImage3.image = [UIImage imageNamed:@"3_03"];[imageView3 addSubview:pagethreeImage3];pagethreeImage4 = [[UIImageView alloc]initWithFrame:CGRectMake(10, ScreenHeight, ScreenWidth-20, 60)];pagethreeImage4.image = [UIImage imageNamed:@"3_04"];pagethreeImage4.alpha = 0;[imageView3 addSubview:pagethreeImage4];pagethreeImage5 = [[UIImageView alloc]initWithFrame:CGRectMake(0, CGRectGetMaxY(pagethreeImage4.frame)+15, ScreenWidth, 40)];pagethreeImage5.image = [UIImage imageNamed:@"3_05"];pagethreeImage5.alpha = 0;[imageView3 addSubview:pagethreeImage5];//5pagefiveImage1 = [[UIImageView alloc]initWithFrame:CGRectMake(15, 50-300, ScreenWidth-30, 70)];pagefiveImage1.image = [UIImage imageNamed:@"5_01"];[imageView5 addSubview:pagefiveImage1];pagefiveImage2 = [[UIImageView alloc]initWithFrame:CGRectMake(55, CGRectGetMaxY(pagefiveImage1.frame)+10-300, ScreenWidth-110, 10)];pagefiveImage2.image = [UIImage imageNamed:@"5_02"];pagefiveImage2.alpha = 0;[imageView5 addSubview:pagefiveImage2];pagefiveImage3 = [[UIImageView alloc]initWithFrame:CGRectMake(ScreenWidth/4, ScreenHeight-ScreenWidth/2-60+300, ScreenWidth/2, ScreenWidth/4)];pagefiveImage3.image = [UIImage imageNamed:@"5_03"];pagefiveImage3.alpha = 0;[imageView5 addSubview:pagefiveImage3];pagefiveImage4 = [[UIImageView alloc]initWithFrame:CGRectMake(-ScreenWidth/2, ScreenHeight-ScreenWidth*5/4, ScreenWidth*4, ScreenWidth*4)];pagefiveImage4.image = [UIImage imageNamed:@"5_05"];pagefiveImage4.alpha = 0;[self rotate360DegreeWithImageView:pagefiveImage4];[imageView5 addSubview:pagefiveImage4];imgView = [[UIImageView alloc]initWithFrame:CGRectMake(50, ScreenHeight-ScreenWidth*4/5, 30-30, 30-30)];[self tomAnimationWithName:@"run" count:9];imgView.alpha = 0;[imageView5 addSubview:imgView];
}

2、初始化scrollView

- (void)setupScrollView
{// 添加scrollViewUIScrollView *scrollView = [[UIScrollView alloc] init];scrollView.frame = self.view.bounds;CGFloat contentW = scrollView.bounds.size.width * XXNewfeatureImageCount;[self.view addSubview:scrollView];scrollView.contentSize = CGSizeMake(contentW, 0);scrollView.pagingEnabled = YES;scrollView.bounces = NO;scrollView.showsHorizontalScrollIndicator = NO;scrollView.delegate = self;// 添加图片CGFloat imageW = scrollView.bounds.size.width;CGFloat imageH = scrollView.bounds.size.height;imageView1 = [[UIImageView alloc] init];imageView1.frame = CGRectMake(0 * imageW, 0, imageW, imageH);[scrollView addSubview:imageView1];imageView2 = [[UIImageView alloc] init];imageView2.frame = CGRectMake(1 * imageW, 0, imageW, imageH);imageView2.alpha = 0;[scrollView addSubview:imageView2];imageView3 = [[UIImageView alloc] init];imageView3.frame = CGRectMake(2 * imageW, 0, imageW, imageH);[scrollView addSubview:imageView3];imageView5 = [[UIImageView alloc] init];imageView5.frame = CGRectMake(3 * imageW, 0, imageW, imageH);imageView5.userInteractionEnabled = YES;imageView5.alpha = 0;[scrollView addSubview:imageView5];// 添加跳转按钮UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];button.frame = CGRectMake(0, 0, 150, 30);[button setTitle:@"进入APP" forState:UIControlStateNormal];button.layer.borderWidth = 1.0;button.layer.borderColor = [UIColor colorWithWhite:0.915 alpha:1.000].CGColor;button.titleLabel.font = [UIFont systemFontOfSize:14.0];[button addTarget:self action:@selector(getstart) forControlEvents:UIControlEventTouchUpInside];CGFloat centerX = imageView5.bounds.size.width * 0.5;CGFloat centerY = imageView5.bounds.size.height - 88;button.center = CGPointMake(centerX, centerY);[imageView5 addSubview:button];
}

UIScrollViewDelegate method

- (void)scrollViewDidScroll:(UIScrollView *)scrollView
{offsetX = scrollView.contentOffset.x;NSLog(@"%f",offsetX);int page = offsetX / scrollView.bounds.size.width + 0.5;#pragma mark --- 此处写动画if (offsetX <= ScreenWidth/2) {[self firstPage];}else if (offsetX > ScreenWidth/2 && offsetX <= ScreenWidth+ScreenWidth/2) {[self secondPage];}else if (offsetX > ScreenWidth+ScreenWidth/2 && offsetX <= ScreenWidth*2+ScreenWidth/2) {[self thirdPage];}else if (offsetX > ScreenWidth*2+ScreenWidth/2 && offsetX <= ScreenWidth*3+ScreenWidth/2) {[self lastPage];}self.pageControl.currentPage = page;
}

3、gif的动画和旋转动画

#pragma mark --- UIImageView显示gif动画
- (void)tomAnimationWithName:(NSString *)name count:(NSInteger)count
{// 如果正在动画，直接退出if ([imgView isAnimating]) return;// 动画图片的数组NSMutableArray *arrayM = [NSMutableArray array];// 添加动画播放的图片for (int i = 0; i < count; i++) {// 图像名称NSString *imageName = [NSString stringWithFormat:@"%@%d.png", name, i+1];// ContentsOfFile需要全路径NSString *path = [[NSBundle mainBundle] pathForResource:imageName ofType:nil];UIImage *image = [UIImage imageWithContentsOfFile:path];[arrayM addObject:image];}// 设置动画数组imgView.animationImages = arrayM;// 重复1次imgView.animationRepeatCount = 0;// 动画时长imgView.animationDuration = imgView.animationImages.count * 0.05;// 开始动画[imgView startAnimating];
}#pragma mark --- 旋转动画
- (void)rotate360DegreeWithImageView:(UIImageView *)imageView
{CABasicAnimation *animation = [ CABasicAnimationanimationWithKeyPath: @"transform" ];animation.fromValue = [NSValue valueWithCATransform3D:CATransform3DIdentity];//围绕Z轴旋转，垂直与屏幕animation.toValue = [ NSValue valueWithCATransform3D:CATransform3DMakeRotation(M_PI, 0.0, 0.0, 1.0) ];animation.duration = 5;//旋转效果累计，先转180度，接着再旋转180度，从而实现360旋转animation.cumulative = YES;animation.repeatCount = MAXFLOAT;//在图片边缘添加一个像素的透明区域，去图片锯齿CGRect imageRrect = CGRectMake(0, 0,imageView.frame.size.width, imageView.frame.size.height);UIGraphicsBeginImageContext(imageRrect.size);[imageView.image drawInRect:CGRectMake(1,1,imageView.frame.size.width-2,imageView.frame.size.height-2)];imageView.image = UIGraphicsGetImageFromCurrentImageContext();UIGraphicsEndImageContext();[imageView.layer addAnimation:animation forKey:nil];
}

三、运行效果

运行效果图如下图：

IOS炫酷的引导界面

代码地址如下：
http://www.demodashi.com/demo/11246.html

注：本文著作权归作者，由demo大师发表，拒绝转载，转载需要作者授权

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IOS炫酷的引导界面

一、准备工作

二、程序实现

三、运行效果

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