程序进入后台模糊效果

使用说明

安装

手工导入

将项目目录下BlurryBackground目录导入项目中 BlurryView:实现模糊效果的View

Pod安装

pod 'BlurryBackground', '~> 1.0'

使用

1. 在AppDelegate中导入头文件

   #import "BlurryView.h"
   

2. 定义BlurryView的Tag

   static const NSInteger viewTag = 10001 ;
   

3. 在App的生命周期中控制:

   当程序进入后台添加模糊:

   - (void)applicationDidEnterBackground:(UIApplication *)application{
       BlurryView *blurView = [[BlurryView alloc]initWithFrame:self.window.frame] ;
       blurView.tag = viewTag ;
       for (UIWindow *window in [[UIApplication sharedApplication] windows]) {
           if (window.windowLevel == UIWindowLevelNormal) {
               [window addSubview:blurView];
           }
       }
   }
   

   当程序进入前台删除模糊:

   - (void)applicationWillEnterForeground:(UIApplication *)application{
       for (UIWindow *window in [[UIApplication sharedApplication] windows]) {
           if (window.windowLevel == UIWindowLevelNormal) {
               UIView *view = [window viewWithTag:viewTag];
               [view removeFromSuperview];
           }
       }
   }
   

效果如下

BlurryBackground

BlurryBackground is available under the MIT license. See the LICENSE file for more info.