#import "AppDelegate.h"

@interface AppDelegate ()
@property (nonatomic, strong) UIVisualEffectView *effectView;

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    UIVisualEffect *effect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
    self.effectView = [[UIVisualEffectView alloc] initWithEffect:effect];
    self.effectView.frame = self.window.bounds;
    self.effectView.alpha = 0;
    return YES;
}


- (void)applicationWillResignActive:(UIApplication *)application {
    [self.window addSubview:self.effectView];
    [UIView animateWithDuration:0.5 animations:^{
        self.effectView.alpha = 1;
    } completion:^(BOOL finished) {

    }];
}

- (void)applicationDidBecomeActive:(UIApplication *)application {
    [UIView animateWithDuration:0.3 animations:^{
        self.effectView.alpha = 0;
    } completion:^(BOOL finished) {
        [self.effectView removeFromSuperview];
    }];
}


- (void)applicationWillTerminate:(UIApplication *)application {
    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.

}


@end