iOS8 Uivisualeffectview image Filter Effect processing

first knowledge of Uivisualeffectview

Uivisualeffectview is a new processing picture class in iOS8 and does not support systems below iOS8, that is, not supported in IOS7 and below. Here is a description of this class from Apple's official documentation:

Uivisualeffectview is a class This provides a simple abstraction over complex visual effects. Depending on the desired effect, the results could affect content layered behind the view or content added to the view's con Tentview. Please see the notes for each uivisualeffect for more details.

The general meaning is that Uivisualeffectview is a class that provides a simple abstract complex visual effect. Depending on the expected effect, the results may affect the content in the subsequent content hierarchy view or Contentview added to the view . See each Uivisualeffect note for more details. You can refer to the official documentation for its use and precautions.

Use of Uivisualeffectview

Not much to say, you can read the following code on the line

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Back if there is a deeper understanding of Uivisualeffectview, in the update ~\ (≧▽≦)/~!!!

iOS8 Uivisualeffectview image Filter Effect processing