TTGTagCollectionView

TTGTagCollectionView is a Swift-first iOS tag layout component. Use it for filter chips, topic labels, search facets, dense table cells, custom tag views, and any UI that needs predictable wrapping or horizontal tag rows.

Highlights

Text tags or custom views: TextTagCollectionView for styled text, TagCollectionView for arbitrary UIView content.
Flexible layout: vertical wrapping, horizontal scrolling, line limits, spacing, insets, and 6 alignment modes.
Per-tag appearance: gradient backgrounds, borders, shadows, corner radius, padding, size constraints, and selected states.
AutoLayout friendly: intrinsic size updates and preferredMaxLayoutWidth for stack views, forms, and self-sizing cells.
Cache-aware performance: text measurement cache, pure layout cache, and precomputed content-size APIs for dense lists.
Swift and Objective-C: modern Swift sources with Objective-C-compatible names and selectors.

Requirements

iOS 16.0+
Swift 5.9+
Xcode 15+

Installation

Swift Package Manager

In Xcode, choose File -> Add Package Dependencies and enter:

https://github.com/zekunyan/TTGTagCollectionView.git

Or add it to Package.swift:

dependencies: [
    .package(url: "https://github.com/zekunyan/TTGTagCollectionView.git", from: "3.3.0")
]

CocoaPods

pod 'TTGTagCollectionView'

Quick Start

The screenshots below are generated from the Swift example app running in an iOS Simulator.

1. Create the view

import TTGTags

let tagView = TextTagCollectionView()
tagView.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(tagView)

NSLayoutConstraint.activate([
    tagView.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 16),
    tagView.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -16),
    tagView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 24)
])

2. Build content plus style

Each TextTag is built from content and style. The same model also carries selection state, accessibility metadata, and optional attachment data.

let content = TextTagStringContent(text: "Swift")
content.textFont = .boldSystemFont(ofSize: 14)
content.textColor = .white

let style = TextTagStyle()
style.enableGradientBackground = true
style.gradientBackgroundStartColor = .systemBlue
style.gradientBackgroundEndColor = .systemPurple
style.cornerRadius = 12
style.extraSpace = CGSize(width: 14, height: 8)

let tag = TextTag(content: content, style: style)
tagView.add(tag: tag)
tagView.reload()

3. Add selected states

selectedStyle is applied automatically when a tag is selected. Use selectionLimit and the delegate callbacks for app-specific behavior.

let selectedStyle = TextTagStyle()
selectedStyle.backgroundColor = .systemOrange
selectedStyle.cornerRadius = 12
selectedStyle.extraSpace = CGSize(width: 14, height: 8)

tag.selectedStyle = selectedStyle
tagView.selectionLimit = 3
tagView.delegate = self

4. Control layout behavior

Use the same view for normal wrapping tag clouds, fill-width rows, or horizontal filter bars.

tagView.alignment = .fillByExpandingWidth
tagView.horizontalSpacing = 8
tagView.verticalSpacing = 8
tagView.contentInset = UIEdgeInsets(top: 12, left: 12, bottom: 12, right: 12)

tagView.scrollDirection = .horizontal
tagView.numberOfLines = 2
tagView.showsHorizontalScrollIndicator = false

tagView.reload()

Objective-C

#import <TTGTags/TTGTags-Swift.h>

TTGTextTagCollectionView *tagView = [[TTGTextTagCollectionView alloc] initWithFrame:self.view.bounds];
[self.view addSubview:tagView];

TTGTextTagStringContent *content = [TTGTextTagStringContent contentWithText:@"Hello"];
TTGTextTagStyle *style = [TTGTextTagStyle new];
style.backgroundColor = UIColor.systemBlueColor;
style.cornerRadius = 10;
style.extraSpace = CGSizeMake(12, 8);

TTGTextTag *tag = [TTGTextTag tagWithContent:content style:style];
[tagView addTag:tag];
[tagView reload];

Concepts

Understanding these 4 building blocks will help you use the library effectively:

Concept	Class	Role
Tag	`TextTag`	Data model: holds content, style, selection state, and an optional `attachment`
Content	`TextTagStringContent` / `TextTagAttributedStringContent`	What text to display, with font and color
Style	`TextTagStyle`	Visual appearance: background, gradient, corners, border, shadow, size
Collection View	`TextTagCollectionView` / `TagCollectionView`	Container that lays out tags with alignment, spacing, and scroll

Key rule: always call reload() after adding, removing, or updating tags.

Visual Assets

Promo poster: Resources/promo_poster.png
Quick Start images: Resources/quick_start_01_create.png, Resources/quick_start_02_style.png, Resources/quick_start_03_selection.png, Resources/quick_start_04_layout.png
Concepts image: Resources/concepts_poster.png
Review HTML: Resources/promo_poster.html, Resources/quick_start_01_create.html, Resources/quick_start_02_style.html, Resources/quick_start_03_selection.html, Resources/quick_start_04_layout.html
Regenerate PNG assets with node Resources/render_readme_images.mjs.

Architecture at a Glance

The architecture poster is generated from Resources/architecture_poster.html. It summarizes the Swift-first architecture, Objective-C compatibility layer, pure layout engine, rendering flow, and the cache-aware path used for dense tag lists.

Usage

Delegate

tagView.delegate = self

// TextTagCollectionViewDelegate
func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           canTapTag tag: TextTag, at index: Int) -> Bool { true }

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           didTapTag tag: TextTag, at index: Int) {
    print("tapped: \(tag.rightfulContent.contentAttributedString.string), selected: \(tag.selected)")
}

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           canSwipeSelectTag tag: TextTag, at index: Int) -> Bool { true }

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           didSwipeSelectTag tag: TextTag, at index: Int) {
    print("swipe selected: \(index)")
}

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           updateContentSize contentSize: CGSize) {
    // e.g. update a height constraint
}

Content types

// Plain text
let c1 = TextTagStringContent(text: "Hello")
c1.textFont  = .systemFont(ofSize: 14)
c1.textColor = .darkText

// Rich text via NSAttributedString
let attrs: [NSAttributedString.Key: Any] = [
    .foregroundColor: UIColor.systemRed,
    .font: UIFont.boldSystemFont(ofSize: 16)
]
let c2 = TextTagAttributedStringContent(
    attributedText: NSAttributedString(string: "Rich", attributes: attrs)
)

Style properties — TextTagStyle

let style = TextTagStyle()

// Background
style.backgroundColor = .systemBlue
style.textAlignment = .center
style.numberOfLines = 1                  // 0 = unlimited multiline
style.lineBreakMode = .byTruncatingTail

// Gradient background
style.enableGradientBackground        = true
style.gradientBackgroundStartColor    = .systemBlue
style.gradientBackgroundEndColor      = .systemPurple
style.gradientBackgroundStartPoint    = CGPoint(x: 0, y: 0.5)
style.gradientBackgroundEndPoint      = CGPoint(x: 1, y: 0.5)

// Corner (all corners by default; set individual flags for per-corner control)
style.cornerRadius      = 14
style.cornerTopLeft     = true
style.cornerTopRight    = true
style.cornerBottomLeft  = false
style.cornerBottomRight = false

// Border
style.borderWidth = 1
style.borderColor = .white

// Shadow
style.shadowColor   = .black
style.shadowOffset  = CGSize(width: 2, height: 2)
style.shadowRadius  = 2
style.shadowOpacity = 0.3

// Size
style.extraSpace  = CGSize(width: 12, height: 6)  // padding
style.minWidth    = 60      // 0 = no limit
style.maxWidth    = 200
style.exactWidth  = 0       // 0 = auto
style.exactHeight = 32

Layout configuration

tagView.scrollDirection  = .vertical     // .vertical (default) or .horizontal
tagView.alignment        = .left         // see Alignment below
tagView.horizontalDistribution = .rowMajor
tagView.contentVerticalAlignment = .top
tagView.numberOfLines    = 0             // 0 = unlimited
tagView.selectionLimit   = 3             // 0 = unlimited
tagView.horizontalSpacing = 8
tagView.verticalSpacing   = 8
tagView.contentInset      = UIEdgeInsets(top: 8, left: 8, bottom: 8, right: 8)

// AutoLayout manual height
tagView.manualCalculateHeight   = true
tagView.preferredMaxLayoutWidth = 320

// Tap callbacks (no delegate needed)
tagView.onTapBlankArea = { point in print("tapped blank at \(point)") }
tagView.onTapAllArea   = { point in print("tapped anywhere at \(point)") }

Alignment modes

Swift	Description
`.left`	Left-aligned (default)
`.center`	Center-aligned
`.right`	Right-aligned
`.fillByExpandingSpace`	Expand spacing between tags to fill each row
`.fillByExpandingWidth`	Expand each tag's width to fill each row
`.fillByExpandingWidthExceptLastLine`	Same as above but skip the last row

Horizontal rows and vertical placement

// Natural reading order in horizontal multi-line rows (default in 3.1)
tagView.scrollDirection = .horizontal
tagView.numberOfLines = 2
tagView.horizontalDistribution = .rowMajor

// Preserve the old round-robin column-first behavior when needed
tagView.horizontalDistribution = .columnMajor

// Center content inside a fixed-height tag surface
tagView.contentVerticalAlignment = .center

Multiline text tags

let content = TextTagStringContent(text: "Long filter label that can wrap")
let style = TextTagStyle()
style.numberOfLines = 0
style.maxWidth = 180
style.lineBreakMode = .byWordWrapping

let tag = TextTag(content: content, style: style)

Tag model — TextTag

let tag = TextTag()

// Content & style for normal / selected state
tag.content         = TextTagStringContent(text: "Label")
tag.style           = TextTagStyle()
tag.selectedContent = TextTagStringContent(text: "Selected")   // optional, falls back to content copy
tag.selectedStyle   = TextTagStyle()                           // optional, falls back to style copy

// Selection
tag.selected = false
tag.onSelectStateChanged = { selected in print(selected) }

// Attach any object
tag.attachment = myModel

// Accessibility
tag.enableAutoDetectAccessibility = true   // auto sets label + traits from content
// or manually:
tag.isAccessibilityElement  = true
tag.accessibilityLabel      = "My tag"
tag.accessibilityHint       = "Double tap to select"
tag.accessibilityTraits     = .button

// Current active content / style (respects selected state)
let activeContent = tag.rightfulContent
let activeStyle   = tag.rightfulStyle

Mutating tags

// Add
tagView.add(tag: tag)
tagView.add(tags: [tag1, tag2])

// Insert
tagView.insert(tag: tag, at: 0)
tagView.insert(tags: [tag1, tag2], at: 2)

// Update
tagView.updateTag(at: 0, selected: true)
tagView.updateTag(at: 0, with: newTag)
tagView.updateTag(byId: tag.tagId, selected: true)
tagView.updateTag(byId: tag.tagId, with: newTag)

// Remove
tagView.remove(tag: tag)
tagView.removeTag(byId: tag.tagId)
tagView.removeTag(at: 0)
tagView.removeAllTags()

// Move (auto reloads)
tagView.moveTag(at: 0, to: 3)
tagView.moveTag(byId: tag.tagId, to: 1)

// Query
let tag  = tagView.getTag(at: 0)
let sameTag = tagView.getTag(byId: tagId)
let index = tagView.indexOfTag(byId: tagId)
let tags = tagView.getTags(in: NSRange(location: 0, length: 3))
let all      = tagView.allTags()
let selected = tagView.allSelectedTags()
let unselected = tagView.allNotSelectedTags()

// Reload (required after any mutation)
tagView.reload()

Hit-testing

let index = tagView.indexOfTag(at: touchPoint)   // NSNotFound if missed

Scroll to a tag

tagView.scrollToTag(at: 12, position: .center, animated: true)
tagView.scrollToTag(byId: tag.tagId, position: .end, animated: true)

Swipe selection

TextTagCollectionView can select tags as the user's finger moves across them. Swipe selection is opt-in, selects only unselected tags, and respects selectionLimit.

tagView.enableSwipeSelection = true
tagView.selectionLimit = 6
tagView.delegate = self

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           canSwipeSelectTag tag: TextTag,
                           at index: Int) -> Bool {
    return true
}

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           didSwipeSelectTag tag: TextTag,
                           at index: Int) {
    print("swipe selected \(index)")
}

tagView.enableSwipeSelection = YES;
tagView.selectionLimit = 6;

Reorder and drag-to-delete

TextTagCollectionView can reorder text tags with a long-press drag gesture. Drag-to-delete is opt-in and shows a bottom delete zone while dragging.

tagView.enableTagReordering = true
tagView.enableDragToDelete = true
tagView.enableTagSelection = false
tagView.delegate = self

// Optional delete-zone styling
tagView.dragDeleteZoneHeight = 52
tagView.dragDeleteZoneInsets = UIEdgeInsets(top: 0, left: 18, bottom: 12, right: 18)
tagView.dragDeleteZoneCornerRadius = 16
tagView.dragDeleteZoneBackgroundColor = UIColor.systemGray.withAlphaComponent(0.92)
tagView.dragDeleteZoneHighlightedBackgroundColor = UIColor.systemPink.withAlphaComponent(0.96)
tagView.dragDeleteZoneText = "Drop tag to remove"
tagView.dragDeleteZoneTextColor = .white
tagView.dragDeleteZoneFont = .systemFont(ofSize: 15, weight: .semibold)
tagView.dragDeleteZoneImage = UIImage(systemName: "trash.fill")
tagView.dragDeleteZoneImageTintColor = .white

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           canMoveTag tag: TextTag,
                           fromIndex: Int,
                           toIndex: Int) -> Bool {
    return true
}

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           didMoveTag tag: TextTag,
                           fromIndex: Int,
                           toIndex: Int) {
    print("moved \(fromIndex) -> \(toIndex)")
}

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           canDeleteTag tag: TextTag,
                           at index: Int) -> Bool {
    return true
}

func textTagCollectionView(_ collectionView: TextTagCollectionView,
                           didDeleteTag tag: TextTag,
                           at index: Int) {
    print("deleted \(index)")
}

Objective-C uses the same API through TTGTags-Swift.h:

tagView.enableTagReordering = YES;
tagView.enableDragToDelete = YES;
[tagView moveTagAtIndex:0 toIndex:3];
[tagView moveTagById:tag.tagId toIndex:1];

tagView.dragDeleteZoneHeight = 52;
tagView.dragDeleteZoneInsets = UIEdgeInsetsMake(0, 18, 12, 18);
tagView.dragDeleteZoneBackgroundColor = [UIColor.systemGrayColor colorWithAlphaComponent:0.92];
tagView.dragDeleteZoneHighlightedBackgroundColor = [UIColor.systemPinkColor colorWithAlphaComponent:0.96];
tagView.dragDeleteZoneText = @"Drop tag to remove";
tagView.dragDeleteZoneImage = [UIImage systemImageNamed:@"trash.fill"];

TagCollectionView — custom views

Use TagCollectionView when your tags are arbitrary UIView subclasses instead of text.

tagCollectionView.dataSource = self
tagCollectionView.delegate   = self

// TagCollectionViewDataSource
func numberOfTags(in tagCollectionView: TagCollectionView) -> Int { items.count }

func tagCollectionView(_ tagCollectionView: TagCollectionView,
                       tagViewFor index: Int) -> UIView { myViews[index] }

// TagCollectionViewDelegate
func tagCollectionView(_ tagCollectionView: TagCollectionView,
                       sizeForTagAt index: Int) -> CGSize { myViews[index].frame.size }

func tagCollectionView(_ tagCollectionView: TagCollectionView,
                       didSelectTag tagView: UIView, at index: Int) {
    print("selected \(index)")
}

func tagCollectionView(_ tagCollectionView: TagCollectionView,
                       updateContentSize contentSize: CGSize) { }

// Reload
tagCollectionView.reload()

All layout and spacing properties (scrollDirection, alignment, horizontalDistribution, contentVerticalAlignment, numberOfLines, horizontalSpacing, verticalSpacing, contentInset, manualCalculateHeight, preferredMaxLayoutWidth) are identical to TextTagCollectionView.

Performance

TTGTagCollectionView keeps layout deterministic and cache-friendly:

TagCollectionLayout is a pure calculator: the same tag sizes and configuration produce the same frames and content size.
TextTagCollectionView caches text tag measurements by attributed content, style constraints, selected state, and available width.
Layout results are cached for repeated tag size arrays and collection view configuration.
TextTagCollectionView.contentSize(for:width:...) lets table/list screens precompute row height without creating or laying out a cell.
Demo table cells batch tag configuration and call reload() once per reuse pass.

Dense tags inside UITableViewCell

For smooth scrolling, build tag models once, cache the row height by table width, and configure the cell in one pass:

let tagSize = TextTagCollectionView.contentSize(
    for: tags,
    width: availableTagWidth,
    scrollDirection: .vertical,
    alignment: .fillByExpandingWidth,
    horizontalDistribution: .rowMajor,
    numberOfLines: 0,
    horizontalSpacing: 8,
    verticalSpacing: 8,
    contentInset: UIEdgeInsets(top: 4, left: 0, bottom: 4, right: 0)
)

let rowHeight = titleHeight + tagSize.height + verticalPadding

Objective-C uses the same API through TTGTags-Swift.h:

CGSize tagSize = [TTGTextTagCollectionView contentSizeForTags:tags
                                                        width:availableTagWidth
                                              scrollDirection:TTGTagCollectionScrollDirectionVertical
                                                    alignment:TTGTagCollectionAlignmentFillByExpandingWidth
                                       horizontalDistribution:TTGTagCollectionHorizontalDistributionRowMajor
                                                numberOfLines:0
                                            horizontalSpacing:8
                                              verticalSpacing:8
                                                 contentInset:UIEdgeInsetsMake(4, 0, 4, 0)];

When data changes globally or you need to benchmark a cold path, clear both caches:

TextTagCollectionView.clearMeasurementCache()

Tips

Always call reload() after adding, removing, or updating tags.
moveTag(at:to:) and moveTag(byId:to:) reload automatically.
Swipe selection starts only from a tag, selects unselected tags, and does not toggle already selected tags off.
Drag-to-delete is destructive. Use canDeleteTag to block protected tags or the last remaining tag.
When embedding in a UITableViewCell, prefer precomputing row height with TextTagCollectionView.contentSize(for:width:...) and reusing the result by table width.
Configure all tags first, then call reload() once. Avoid repeated updateTag(...) calls during cell reuse.
Use manualCalculateHeight = true + preferredMaxLayoutWidth when the view's width is not yet determined at layout time.

Source Structure

Sources/TTGTags/
├── Model/
│   ├── TextTag.swift                         # Tag data model (id, content, style, selection)
│   ├── TextTagContent.swift                  # Abstract content base class
│   ├── TextTagStringContent.swift            # Plain text content
│   └── TextTagAttributedStringContent.swift  # NSAttributedString content
├── Style/
│   └── TextTagStyle.swift                    # Visual style (background, border, shadow, corner, size)
├── Layout/
│   └── TagCollectionLayout.swift             # Pure layout calculator (no UIKit side effects)
└── View/
    ├── TagCollectionView.swift               # Custom-view tag collection
    ├── TextTagCollectionView.swift            # Text tag collection
    └── Internal/
        ├── TextTagComponentView.swift        # Per-tag rendering view
        └── TextTagGradientLabel.swift        # CAGradientLayer-backed label

Tests/TTGTagsTests/
├── TagCollectionLayoutTests.swift
├── TextTagTests.swift
└── TextTagContentTests.swift

3.0 Migration Guide

Version 3.0 rewrites all core sources in Swift. Objective-C class names, selectors, and enum cases are fully preserved via @objc(TTGXxx) aliases — existing OC call sites need only one change: replace the old .h imports with the Swift generated umbrella header.

One-line OC migration:

// Before (2.x)
#import <TTGTags/TTGTextTagCollectionView.h>

// After (3.0+)
#import <TTGTags/TTGTags-Swift.h>

Swift API mapping

2.x / Objective-C	3.0 Swift
`TTGTagCollectionView`	`TagCollectionView`
`TTGTextTagCollectionView`	`TextTagCollectionView`
`TTGTextTag`	`TextTag`
`TTGTextTagStyle`	`TextTagStyle`
`TTGTextTagContent`	`TextTagContent`
`TTGTextTagStringContent`	`TextTagStringContent`
`TTGTextTagAttributedStringContent`	`TextTagAttributedStringContent`
`TTGTagCollectionAlignment`	`TagCollectionAlignment`
`TTGTagCollectionScrollDirection`	`TagCollectionScrollDirection`
`[tag getRightfulContent]`	`tag.rightfulContent`
`[tag getRightfulStyle]`	`tag.rightfulStyle`
`[content getContentAttributedString]`	`content.contentAttributedString`
`[tagView addTag:]`	`tagView.add(tag:)`
`[tagView insertTag:atIndex:]`	`tagView.insert(tag:at:)`
`[tagView removeTagAtIndex:]`	`tagView.removeTag(at:)`
`[tagView getTagAtIndex:]`	`tagView.getTag(at:)`
`[tagView updateTagAtIndex:selected:]`	`tagView.updateTag(at:selected:)`

Other changes in 3.0

Minimum deployment target raised from iOS 11 to iOS 16
tagId auto-increment is now thread-safe (NSLock)
Per-corner UIRectCorner bitmask bug fixed
Pure layout calculator TagCollectionLayout extracted (fully unit-tested)
Text measurement and layout caches added for dense tag lists
TextTagCollectionView.contentSize(for:width:...) added for precomputing list row height
SPM test target added (Tests/TTGTagsTests)

3.1 API additions

Horizontal multi-line rows now default to .rowMajor, matching natural reading order.
.columnMajor keeps the previous round-robin horizontal distribution when apps need it.
contentVerticalAlignment can place short tag content at the top, center, or bottom of a fixed-height tag view.
TextTagStyle.numberOfLines and lineBreakMode enable multiline text tags with maxWidth or container-width constraints.
getTag(byId:), indexOfTag(byId:), updateTag(byId:...), and scrollToTag(byId:...) make id-driven updates straightforward.
scrollToTag(at:position:animated:) supports .nearest, .start, .center, and .end.

3.2 API additions

enableTagReordering enables long-press drag reordering for TextTagCollectionView.
enableDragToDelete shows a bottom delete zone while dragging.
dragDeleteZoneHeight, dragDeleteZoneInsets, colors, text, font, image, and tint properties customize the delete zone without replacing its view.
moveTag(at:to:) and moveTag(byId:to:) support programmatic reordering.
canMoveTag / didMoveTag and canDeleteTag / didDeleteTag cover reorder and delete decisions.
SwiftUI TagCloudView does not expose reordering yet because it rebuilds tags from value input on each update; use UIKit TextTagCollectionView for reorder/delete workflows.

Swipe selection API additions

enableSwipeSelection enables finger-swipe selection for TextTagCollectionView.
canSwipeSelectTag / didSwipeSelectTag cover swipe selection decisions and results.
Swipe selection falls back to canTapTag when canSwipeSelectTag is not implemented, so existing selection gates still apply.

Author

zekunyan — zekunyan@163.com

License

TTGTagCollectionView is available under the MIT license. See the LICENSE file for more info.

Name		Name	Last commit message	Last commit date
Latest commit History 214 Commits
.github		.github
.swiftpm/xcode/package.xcworkspace		.swiftpm/xcode/package.xcworkspace
Example		Example
ExampleSwift		ExampleSwift
Resources		Resources
Sources/TTGTags		Sources/TTGTags
Tests/TTGTagsTests		Tests/TTGTagsTests
.gitignore		.gitignore
LICENSE		LICENSE
Package.swift		Package.swift
README.md		README.md
README_CN.md		README_CN.md
TTGTagCollectionView.podspec		TTGTagCollectionView.podspec

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TTGTagCollectionView

Highlights

Requirements

Installation

Swift Package Manager

CocoaPods

Quick Start

1. Create the view

2. Build content plus style

3. Add selected states

4. Control layout behavior

Objective-C

Concepts

Visual Assets

Architecture at a Glance

Usage

Delegate

Content types

Style properties — TextTagStyle

Layout configuration

Alignment modes

Horizontal rows and vertical placement

Multiline text tags

Tag model — TextTag

Mutating tags

Hit-testing

Scroll to a tag

Swipe selection

Reorder and drag-to-delete

TagCollectionView — custom views

Performance

Dense tags inside UITableViewCell

Tips

Source Structure

3.0 Migration Guide

Swift API mapping

Other changes in 3.0

3.1 API additions

3.2 API additions

Swipe selection API additions

Author

License

About

Topics

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