import "AppDelegate.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

• (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
  self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
  // Override point for customization after application launch.
  self.window.backgroundColor = [UIColor whiteColor];
  [self.window makeKeyAndVisible];

  //添加照片
  UIImageView *imageView=[[UIImageView alloc]initWithFrame:CGRectMake(100, 100, 100, 100)];
  UIImage *image=[UIImage imageNamed:@"headImage.png"];
  imageView.image=image;
  [self.window addSubview:imageView];

//毛玻璃效果  也可以给View,把View的背景颜色变淡了
UIBlurEffect *effect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
UIVisualEffectView *visualEffectView = [[UIVisualEffectView alloc]initWithEffect:effect];
visualEffectView.alpha = 0.9;
[visualEffectView setFrame:imageView.bounds];
[imageView addSubview:visualEffectView];




return YES;

}