# jjcollectionviewroundflowlayout | Kingjiajie_Go | Knowledge Base | Instagit

JJCollectionViewRoundFlowLayout可设置CollectionView的BackgroundColor、Cell的对齐方式，可跟据用户Cell个数计算背景图尺寸，可自定义是否包括计算CollectionViewHeaderView、CollectionViewFootererView或只计算Cells。设置简单，可自定义背景颜色偏移，设置显示方向（竖向、横向）显示,不同Section设置不同的背景颜色，设置Cell的对齐方式，支持左对齐，右对齐，居中。

GitHub Stars: 172

Repository: https://github.com/kingjiajie/jjcollectionviewroundflowlayout

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## Articles

### [JJCollectionViewRoundFlowLayout: The Complete Solution for Rounded Section Backgrounds in iOS](/kingjiajie/jjcollectionviewroundflowlayout/why-use-jjcollectionviewroundflowlayout-for-rounded-section-backgrounds)

Effortlessly add rounded section backgrounds to your iOS collection views with JJCollectionViewRoundFlowLayout. This drop-in subclass automates styling without manual view management. Get backgrounds now.

- Tags: tutorial
- Published: 2026-03-05

### [How to Customize Cell Alignment for Specific Sections Using Delegates in JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/customizing-cell-alignment-for-specific-sections-using-delegates)

Customize cell alignment for specific sections in JJCollectionViewRoundFlowLayout using delegates. Override global settings per section with ease. Learn how now.

- Tags: how-to-guide
- Published: 2026-03-05

### [Enabling Touch Animations for JJCollectionViewRoundFlowLayout Decoration Views: Implementation Guide](/kingjiajie/jjcollectionviewroundflowlayout/enabling-touch-animations-for-jjcollectionviewroundflowlayout-decoration-views)

Easily enable touch animations for JJCollectionViewRoundFlowLayout decoration views. Set a property or use delegate methods for custom section animations and control.

- Tags: how-to-guide
- Published: 2026-03-05

### [How to Detect Taps on Section Backgrounds in JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/how-to-detect-taps-on-section-backgrounds-in-jjcollectionviewroundflowlayout)

Learn how to detect taps on section backgrounds in JJCollectionViewRoundFlowLayout. Implement the JJCollectionViewDelegateRoundFlowLayout protocol to handle section background taps.

- Tags: how-to-guide
- Published: 2026-03-05

### [JJCollectionViewRoundFlowLayout Cell Alignment Types: System, Left, Center, Right, and Right-Start-R Explained](/kingjiajie/jjcollectionviewroundflowlayout/what-are-the-available-cell-alignment-types-in-jjcollectionviewroundflowlayout)

Explore JJCollectionViewRoundFlowLayout cell alignment types: System, Left, Center, Right, and Right-Start-R. Control cell positioning globally or per section for precise layout control.

- Tags: how-to-guide
- Published: 2026-03-05

### [Configuring JJCollectionViewRoundConfigModel for Section Styling in Collection Views](/kingjiajie/jjcollectionviewroundflowlayout/configuring-jjcollectionviewroundconfigmodel-for-section-styling)

Style collection view sections with rounded backgrounds shadows and borders using JJCollectionViewRoundConfigModel and the JJCollectionViewDelegateRoundFlowLayout protocol Learn how to implement configModelForSectionAtIndex for...

- Tags: how-to-guide
- Published: 2026-03-05

### [How to Enable Irregular Cell Size Calculation in JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/how-to-enable-irregular-cell-size-calculation-in-jjcollectionviewroundflowlayout)

Enable irregular cell size calculation in JJCollectionViewRoundFlowLayout by setting isCalculateTypeOpenIrregularitiesCell to YES. Customize your collection view layout effortlessly.

- Tags: how-to-guide
- Published: 2026-03-05

### [JJCollectionViewRoundFlowLayout Delegate Methods: Complete Customization Guide](/kingjiajie/jjcollectionviewroundflowlayout/jjcollectionviewroundflowlayout-delegate-methods-for-customization)

Master JJCollectionViewRoundFlowLayout delegate methods to customize section backgrounds, shadows, alignment, animations, and tap handling without subclassing. Explore the complete guide.

- Tags: deep-dive
- Published: 2026-03-05

### [Implementing Dark Mode Support for Rounded Collection View Sections in JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/implementing-dark-mode-support-for-rounded-collection-view-sections)

Implement dark mode for rounded collection view sections using JJCollectionViewRoundFlowLayout. Dynamically provide colors for seamless adaptation.

- Tags: how-to-guide
- Published: 2026-03-05

### [How to Use JJCollectionViewRoundFlowLayout with IGListCollectionView Delegate: Complete Integration Guide](/kingjiajie/jjcollectionviewroundflowlayout/using-jjcollectionviewroundflowlayout-with-iglistcollectionview-delegate)

Master JJCollectionViewRoundFlowLayout with IGListCollectionView delegate. Integrate seamlessly using the SQCollectionRoundFlowLayout wrapper for dynamic list management.

- Tags: how-to-guide
- Published: 2026-03-05

### [How JJCollectionViewRoundFlowLayout Handles Empty Cells: Delegate and Property Configuration](/kingjiajie/jjcollectionviewroundflowlayout/how-does-jjcollectionviewroundflowlayout-handle-empty-cells)

Learn how JJCollectionViewRoundFlowLayout handles empty cells. Configure delegate methods or properties like isCanCalculateWhenRowEmpty for custom behavior and avoid background issues.

- Tags: how-to-guide
- Published: 2026-03-05

### [Per-Section Cell Alignment Customization in JJCollectionViewRoundFlowLayout: A Complete Guide](/kingjiajie/jjcollectionviewroundflowlayout/per-section-cell-alignment-customization-in-jjcollectionviewroundflowlayout)

Master per-section cell alignment customization in JJCollectionViewRoundFlowLayout. Implement delegate methods to control layout for each section and enhance your UI.

- Tags: how-to-guide
- Published: 2026-03-05

### [How to Use Background Images for Collection View Sections with Rounded Corners](/kingjiajie/jjcollectionviewroundflowlayout/using-background-images-for-collection-view-sections-with-rounded-corners)

Implement collection view sections with rounded corners and custom background images using JJCollectionViewRoundFlowLayout. Easily style your UI with this powerful iOS library.

- Tags: tutorial
- Published: 2026-03-05

### [Customizing Touch Animations for Section Backgrounds in JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/customizing-touch-animations-for-section-backgrounds)

Learn to customize touch animations for section backgrounds in JJCollectionViewRoundFlowLayout. Implement interactive press and release effects using touch animation config models and scale transforms.

- Tags: how-to-guide
- Published: 2026-03-05

### [Integrating Background Tap Events for Collection View Sections with JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/integrating-background-tap-events-for-collection-view-sections)

Easily integrate background tap events for collection view sections using JJCollectionViewRoundFlowLayout. Implement the JJCollectionViewDelegateRoundFlowLayout protocol for seamless callbacks.

- Tags: how-to-guide
- Published: 2026-03-05

### [Handling Irregular Cell Sizes in a Rounded Flow Layout: iOS Implementation Guide](/kingjiajie/jjcollectionviewroundflowlayout/handling-irregular-cell-sizes-in-a-rounded-flow-layout)

Effortlessly handle irregular cell sizes in iOS rounded flow layouts. Enable irregular cell calculation for correct background decoration views with JJCollectionViewRoundFlowLayout.

- Tags: how-to-guide
- Published: 2026-03-05

### [JJCollectionViewRoundFlowLayout Cell Alignment Options: A Complete Guide](/kingjiajie/jjcollectionviewroundflowlayout/jjcollectionviewroundflowlayout-cell-alignment-options)

Explore JJCollectionViewRoundFlowLayout cell alignment options: System, Left, Center, Right, and Right-and-Start-R. Easily control cell positioning without custom code. Learn more now.

- Tags: how-to-guide
- Published: 2026-03-05

### [How to Set Different Background Colors for Each Section in JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/how-to-set-different-background-colors-for-each-section)

Learn how to set different background colors for each section in JJCollectionViewRoundFlowLayout. Implement the delegate method to customize section background colors easily.

- Tags: how-to-guide
- Published: 2026-03-05

### [Supporting Vertical and Horizontal Scrolling with Rounded Section Layouts in iOS](/kingjiajie/jjcollectionviewroundflowlayout/supporting-vertical-and-horizontal-scrolling-with-rounded-section-layouts)

Implement rounded section layouts with vertical and horizontal scrolling in iOS. JJCollectionViewRoundFlowLayout automatically adapts for seamless UI.

- Tags: how-to-guide
- Published: 2026-03-05

### [Applying Shadow Effects to Collection View Section Backgrounds Using JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/applying-shadow-effects-to-collection-view-section-backgrounds)

Learn how to apply shadow effects to collection view section backgrounds using JJCollectionViewRoundFlowLayout by configuring the JJCollectionViewRoundConfigModel in the delegate method.

- Tags: how-to-guide
- Published: 2026-03-05

### [Implementing Section Borders with JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/implementing-section-borders-with-jjcollectionviewroundflowlayout)

Learn how to implement section borders in your UICollectionView using JJCollectionViewRoundFlowLayout. Configure borders easily via delegate methods for polished section designs.

- Tags: how-to-guide
- Published: 2026-03-05

### [JJCollectionViewRoundFlowLayout Custom Section Header and Footer Calculation](/kingjiajie/jjcollectionviewroundflowlayout/jjcollectionviewroundflowlayout-custom-section-header-and-footer-calculation)

Learn JJCollectionViewRoundFlowLayout custom section header and footer calculation. Discover how it merges attributes and frames with custom insets for rounded background decoration views.

- Tags: how-to-guide
- Published: 2026-03-05

### [How to Add Rounded Section Backgrounds to a UICollectionView Using JJCollectionViewRoundFlowLayout](/kingjiajie/jjcollectionviewroundflowlayout/how-to-add-rounded-section-backgrounds-to-uicollectionview)

Easily add rounded section backgrounds to your UICollectionView with JJCollectionViewRoundFlowLayout. This drop-in replacement simplifies background styling and customization.

- Tags: how-to-guide
- Published: 2026-03-05