Do not use (masonry) to add constraints to CollectionView--Add headers to CollectionView by Contentoffset

//

Shoplistmainviewcontroller.m

Weili

//

Created by Zhang Lizhi on 16/10/13.

COPYRIGHT©2016 year Zhang determined. All rights reserved.

//

#import "ShopListMainViewController.h"

#import "ConstantHeader.h"

#import <Masonry/Masonry.h>

#import "OJLWaterLayout.h"

#import "Mbprogresshud+qsj.h"

#import "AlertUtil.h"

#import "MJREFRESH.H"

#import <SDWebImage/UIImageView+WebCache.h>

#import <SDCycleScrollView/SDCycleScrollView.h>

#import "Model.h"

#import "DynamicExperienceCell.h"

@interface Shoplistmainviewcontroller () <uicollectionviewdatasource, Uicollectionviewdelegate, Ojlwaterlayoutdelegate>

@property (Nonatomic,strong) Uiscrollview *mainscrollview;

@property (Nonatomic,strong) UIView *contentview;

@property (nonatomic, strong) uicollectionview* CollectionView;

@property (nonatomic, strong) nsmutablearray* Modelarray;

@property (nonatomic, strong) ojlwaterlayout* layout;

@end

@implementation Shoplistmainviewcontroller

-(Nsmutablearray *) Modelarray

{

if (!_modelarray) {

_modelarray = [[Model models] mutablecopy];

}

return _modelarray;

}

-(void) Viewdidload {

[Super Viewdidload];

Self.mainscrollview = [[Uiscrollview alloc]init];

[Self.view AddSubview:self.mainScrollView];

Self.mainScrollView.showsHorizontalScrollIndicator = NO;

Self.mainScrollView.showsVerticalScrollIndicator = NO;

Self.mainScrollView.bounces = NO;

Self.mainScrollView.backgroundColor = Normal_bkg_grey;

self.mainScrollView.scrollEnabled = YES;

[Self.mainscrollview mas_makeconstraints:^ (Masconstraintmaker *make) {

Make.edges.mas_equalTo (Self.view);

//    }];

Today's recommended products main

ojlwaterlayout* layout = [[Ojlwaterlayout alloc] init];

Self.layout = layout;

Layout.numberofcol = 2;

layout.rowpanding = 7;

layout.colpanding = 7;

Layout.sectioninset = uiedgeinsetsmake (0, 0, 0, 0);

Layout.delegate = self;

[Layout autucontentsize];

Add Collection

Self.collectionview = [[Uicollectionview alloc]initwithframe:cgrectmake (0, Screen_size_height, SCREEN_SIZE_WIDTH, SCREEN_SIZE_HEIGHT-49-64-40) CollectionViewLayout:self.layout];

Self.collectionView.dataSource = self;

Self.collectionView.delegate = self;

Self.collectionView.backgroundColor = Normal_bkg_grey;

[Self.view AddSubview:self.collectionView];

[Self.collectionview mas_makeconstraints:^ (Masconstraintmaker *make) {

Make.edges.mas_equalTo (Self.view);

}];

Register cell

[Self.collectionview Registerclass:[dynamicexperiencecell class] forcellwithreuseidentifier:@ "cell"];

With Contentview braces.

Self.contentview = [[UIView alloc] init];

[Self.collectionview AddSubview:self.contentView];

//

[Self.contentview mas_makeconstraints:^ (Masconstraintmaker *make) {

Make.left.mas_equalTo (0);

Make.top.mas_equalTo (0);

Make.width.mas_equalTo (Self.collectionView.mas_width);

Make.bottom.mas_equalTo (0);

}];

Carousel Map

UIView *lunboview = [[UIView alloc]init];

[Self.contentview Addsubview:lunboview];

Lunboview.backgroundcolor = [Uicolor Yellowcolor];

[Lunboview mas_makeconstraints:^ (Masconstraintmaker *make) {

Make.top.mas_equalTo (Self.contentview);

Make.left.mas_equalTo (Self.contentview);

Make.width.mas_equalTo (Screen_size_width);

Make.height.mas_equalTo (SCREEN_SIZE_WIDTH*2/5);

}];

The title of a hot item under a carousel map

UIView *rexiaotitleview = [[UIView alloc]init];

Rexiaotitleview.backgroundcolor = Normal_bkg_grey;

[Self.contentview Addsubview:rexiaotitleview];

[Rexiaotitleview mas_makeconstraints:^ (Masconstraintmaker *make) {

Make.top.mas_equalTo (Lunboview.mas_bottom);

Make.left.mas_equalTo (Self.contentview);

Make.width.mas_equalTo (Screen_size_width);

Make.height.mas_equalTo (40);

}];

UIView *lineone = [[UIView alloc]init];

UIView *rexiaoview = [[UIView alloc]init];

[Self.contentview Addsubview:rexiaoview];

Rexiaoview.backgroundcolor = [Uicolor Yellowcolor];

[Rexiaoview mas_makeconstraints:^ (Masconstraintmaker *make) {

Make.top.mas_equalTo (Rexiaotitleview.mas_bottom);

Make.left.mas_equalTo (Self.contentview);

Make.width.mas_equalTo (Screen_size_width);

Make.height.mas_equalTo (SCREEN_SIZE_WIDTH*2/5);

}];

The title of the commodity in the activity area below

UIView *activitytitleview = [[UIView alloc]init];

Activitytitleview.backgroundcolor = Normal_bkg_grey;

[Self.contentview Addsubview:activitytitleview];

[Activitytitleview mas_makeconstraints:^ (Masconstraintmaker *make) {

Make.top.mas_equalTo (Rexiaoview.mas_bottom);

Make.left.mas_equalTo (Self.contentview);

Make.width.mas_equalTo (Screen_size_width);

Make.height.mas_equalTo (40);

}];

UIView *activityview = [[UIView alloc]init];

[Self.contentview Addsubview:activityview];

Activityview.backgroundcolor = [Uicolor Yellowcolor];

[ActivityView mas_makeconstraints:^ (Masconstraintmaker *make) {

Make.top.mas_equalTo (Activitytitleview.mas_bottom);

Make.left.mas_equalTo (Self.contentview);

Make.width.mas_equalTo (Screen_size_width);

Make.height.mas_equalTo (SCREEN_SIZE_WIDTH*2/5);

}];

Title of the product recommended today

UIView *todaytitleview = [[UIView alloc]init];

Todaytitleview.backgroundcolor = Normal_bkg_grey;

[Self.contentview Addsubview:todaytitleview];

[Todaytitleview mas_makeconstraints:^ (Masconstraintmaker *make) {

Make.top.mas_equalTo (Activityview.mas_bottom);

Make.left.mas_equalTo (Self.contentview);

Make.width.mas_equalTo (Screen_size_width);

Make.height.mas_equalTo (40);

}];

[Self.contentview mas_updateconstraints:^ (Masconstraintmaker *make) {

Make.left.mas_equalTo (0);

Make.top.mas_equalTo (0);

Make.width.mas_equalTo (Self.collectionView.mas_width);

Make.bottom.mas_equalTo (Todaytitleview.mas_bottom);

}];

Content Detail Offset

Self.collectionView.contentOffset = Cgpointmake (0, (SCREEN_SIZE_WIDTH*2/5 +40) *3);

}

-(void) Viewwillappear: (BOOL) animated{

[Super viewwillappear:animated];

Self.tabBarController.tabBar.hidden = NO;

}

-(void) didreceivememorywarning {

[Super didreceivememorywarning];

Dispose of any of the can is recreated.

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