Use of third-party framework masonry to implement layouts

1.

Https://github.com/SnapKit/Masonry

2. Use

Configuration of the 2.1 masonry

Only need to introduce the header file Masonry.h can be used;

Common methods of 2.2 masonry

Create a new constraint

[View mas_makeconstraints:^ (Masconstraintmaker *make) {}];

If a constraint is already in the past, the new constraint is updated, and if there is no constraint, the constraint is added

[View mas_updateconstraints:^ (Masconstraintmaker *make) {}];

Remove all previous constraints, add new constraints

[View mas_remakeconstraints:^ (Masconstraintmaker *make) {}];

2.3 Common property settings and usage examples

Make.top.equalTo (self.view.mas_top). offset (+); Top 20 from the bottom of its parent view

Make.left.equalTo (self.view.mas_left). Offset (0); Left border from parent view 0

Make.width.mas_equalTo (+); Set width

Make.top.equalTo (view2.mas_top); setting is equal to the top of the View2

Make.center.equalTo (self.view); Set equal to the center of the parent view

Use of third-party framework masonry to implement layouts