The basis for automatic layout of the VFL visual format language

Source: Internet
Author: User

Horizontal OR vertical H:V:

V:[VIEW1]-15-[VIEW2]

Set the top of the view2 distance from the bottom of View1 15

View [Item]

[View1]

Match the view instance with the key in the dictionary as View1

Parent View |

h:|[view1]|

The width of the view1 equals the width of the parent view

Relationship = = <= >=

h:[view1]-(>=20)-[view2]

View1 to the right of View2, the distance to the left of the minimum is 20.

Measure Metric

H:[view1 (<=somewidth)]

Somewidthz in the measure dictionary, the number value,

Horizontal Stacking [Item] [Item]

H:[view1 (<=somewidth)]

Somewidthz in the measure dictionary, the number value,

Flexible interval [Item]-(>=0)-[item]

The basis for automatic layout of the VFL visual format language

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