【代码笔记】iOS-水波效果

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

@end

#import "ViewController.h"
//加入头文件
#import "VWWWaterView.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.

VWWWaterView *waterView = [[VWWWaterView alloc]initWithFrame:self.view.bounds];

[self.view addSubview:waterView];
}