短视频系统源代码，iOS开发之实现点击图片放大3D效果

 
@interface FirmwareViewController ()
 
@property (strong, nonatomic)  UIImageView *tipImage;
 
@implementation FirmwareViewController
{
    UIView *background;
}
- (void)viewDidLoad {
    [super viewDidLoad];
    //点击图片放大
    _tipImage.userInteractionEnabled = YES;
    //添加点击手势
    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction)];
    [_tipImage addGestureRecognizer:tapGesture];
 
}
#pragma mark - 实现点击图片放大功能
//点击图片后的方法(即图片的放大全屏效果)
- (void) tapAction{
    [self.navigationController setNavigationBarHidden:YES animated:YES];
    //创建一个黑色背景
    //初始化一个用来当做背景的View。
    UIView *bgView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, ScreenWidth, ScreenHeight)];
    background = bgView;
    [bgView setBackgroundColor:[UIColor blackColor]];
    [self.view addSubview:bgView];
    
    //创建显示图像的视图
    //初始化要显示的图片内容的imageView
    UIImageView *imgView = [[UIImageView alloc] init];
    
    //根据设备类型显示相应图片
    if ([BluetoothDataManage shareInstance].deviceType == 0) {
        //要显示的图片，即要放大的图片
        [imgView setImage:[UIImage imageNamed:@"updateFirmwareTip0"]];
    }else{
        [imgView setImage:[UIImage imageNamed:@"updateFirmwareTip"]];
    }
    [bgView addSubview:imgView];
    [imgView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.size.mas_equalTo(CGSizeMake(ScreenHeight,ScreenWidth));
        make.centerX.equalTo(self.view.mas_centerX);
        make.centerY.equalTo(self.view.mas_centerY);
    }];
    imgView.transform=CGAffineTransformMakeRotation(M_PI_2);
    imgView.userInteractionEnabled = YES;
    //添加点击手势（即点击图片后退出全屏）
    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(closeView)];
    [imgView addGestureRecognizer:tapGesture];
    
    [self shakeToShow:bgView];//放大过程中的动画
}
-(void)closeView{
    [background removeFromSuperview];
    [self.navigationController setNavigationBarHidden:NO animated:nil];
}
//放大过程中出现的缓慢动画
- (void) shakeToShow:(UIView*)aView{
    CAKeyframeAnimation* animation = [CAKeyframeAnimation animationWithKeyPath:@"transform"];
    animation.duration = 0.5;
    NSMutableArray *values = [NSMutableArray array];
    [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale(0.1, 0.1, 0.1)]];
    [values addObject:[NSValue valueWithCATransform3D:CATransform3DMakeScale(1.0, 1.0, 1.0)]];
    animation.values = values;
    [aView.layer addAnimation:animation forKey:nil];
}