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 May 11, 2017 4450 views
    This topic created in 3302 days ago, the information mentioned may be changed or developed.

    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 replies    2017-05-12 13:43:05 +08:00
    chipmuck
        1
    chipmuck  
       May 11, 2017   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
       May 11, 2017
    @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  
       May 11, 2017
    @flyico 看业务 和 用户体验。
    LeoDev
        5
    LeoDev  
       May 12, 2017
    @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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