IOS8 automatically calculates the cell height after

Premise:

1.iOS system >=8

Each control in 2.cell has a fixed layout with no dynamic modules, but can contain label changes

The cell height can be calculated automatically using TableView

First set the properties of the TableView:

    // height setting    for cell  - // Default Height    // Automatic Height calculation

Cell Xib Settings:

PS:The bottom constraint of a label needs to follow the lower part of the cell

IOS8 automatically calculates the cell height after