iOS 怎样能设置 app 在任务切换界面里显示的样子? - V2EX
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flyico
V2EX    iDev

iOS 怎样能设置 app 在任务切换界面里显示的样子?

  •  
  •   flyico 2017-05-11 15:34:29 +08:00 4256 次点击
    这是一个创建于 3145 天前的主题,其中的信息可能已经有所发展或是发生改变。

    我发现一些敏感类的 app (比如金融类),都会在切换 app 的界面里把自己显示模糊,好像支付宝也是这样,他们是怎么实现这个的呢?

    5 条回复    2017-05-12 13:43:05 +08:00
    chipmuck
        1
    chipmuck  
       2017-05-11 15:47:18 +08:00   1
    在 AppDelegate 里面的 ```-applicationDidEnterBackground:``` 生命周期方法中创建一个 ```UIVisualEffectView``` 对象,并把它添加于 ```self.window``` 上。
    flyico
        2
    flyico  
    OP
       2017-05-11 15:52:26 +08:00
    @chipmuck 明白了,这么说,只要是在切后台以后加到 window 上去,理论上这里可以显示任何东西了?不只模糊
    chipmuck
        3
    chipmuck  
       2017-05-11 17:01:00 +08:00
    @flyico 看业务 和 用户体验。
    LeoDev
        5
    LeoDev  
       2017-05-12 13:43:05 +08:00
    @flyico #2
    是的,可以添加任何东西,别忘了在返回前台的代理方法中清除这些 View。
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