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@interface AppDelegate ()
@property(assign, nonatomic) int index;
@property(strong, nonatomic) NSTimer *timer;
@end
#pragma mark - 退入后台的模糊效果
- (void)applicationDidEnterBackground:(UIApplication *)application {
dispatch_async(
dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0),
^{
self.index = 0;
if (self.timer) {
[self.timer invalidate];
self.timer = nil;
}
self.timer =
[NSTimer timerWithTimeInterval:1
target:self
selector:@selector(timerAction)
userInfo:nil
repeats:YES];
[[NSRunLoop currentRunLoop] addTimer:self.timer
forMode:NSDefaultRunLoopMode];
[[NSRunLoop currentRunLoop] run];
});
UIImage *image = [self catchLocalScreen];
//后台的模糊效果实现，当app进入后台时在app的上加一层覆盖视图
UIImageView *bgImageView = [[UIImageView alloc]
initWithFrame:CGRectMake(0, 0, kSCreenWidth, kSCreenHeight)];
bgImageView.image = image;
[bgImageView enableBlur:YES];
bgImageView.blurTintColor = [UIColor colorWithWhite:1 alpha:0.3];
bgImageView.blurStyle = UIViewBlurDarkStyle;
bgImageView.tag = FrostedGlassTag;
[[[UIApplication sharedApplication] keyWindow] addSubview:bgImageView];
//设置app图标小圆点
[[UIApplication sharedApplication] setApplicationIconBadgeNumber:0];
}
#pragma mark - 程序进入前台时移除遮罩视图
- (void)applicationWillEnterForeground:(UIApplication *)application {
[self.timer invalidate];
//当app进入活动时，移除覆盖的模糊视图
NSArray *array = [[UIApplication sharedApplication] keyWindow].subviews;
for (id view in array) {
if ([view isKindOfClass:[UIImageView class]]) {
UIImageView *myView = view;
if (myView.tag == FrostedGlassTag) {
[myView removeFromSuperview];
}
}
}
//设置app图标小圆点
[application setApplicationIconBadgeNumber:0];
[application cancelAllLocalNotifications];
}
- (void)timerAction{
self.index++;
NSLog(@"%d",_index);
if (self.index >=10) {
// dispatch_async(dispatch_get_main_queue(), ^{
// HJBRootViewController *tabBarC = [HJBRootViewController sharedManager];
// self.window.rootViewController = tabBarC;
// });
[self.timer invalidate];
}
}
//毛玻璃tag值 #define FrostedGlassTag 1008611 //屏幕宽高宏定义 #define kSCreenWidth [UIScreen mainScreen].bounds.size.width #define kSCreenHeight [UIScreen mainScreen].bounds.size.height
