Add & detect tag/mention using Textview

by iOS Example

DPTagTextView

Add & detect Tag/mention and tag search for Textview.

Installation with CocoaPods

CocoaPods is a dependency manager for Objective-C & Swift. You can install it with the following command:

$ gem install cocoapods

Podfile

To integrate DPTagDetectionTextView into your Xcode project using CocoaPods, specify it in your Podfile:

source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '10.0'

target 'TargetName' do
use_frameworks!
pod 'DPTagTextView'
end

Then, run the following command:

$ pod install

Installation with Carthage

Carthage is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks.

You can install Carthage with Homebrew using the following command:

$ brew update
$ brew install carthage

To integrate DPOTPView into your Xcode project using Carthage, specify it in your Cartfile:

github "Datt1994/DPTagTextView"

Run carthage to build the framework and drag the framework (DPTagTextView.framework) into your Xcode project.

Installation with Swift Package Manager

The Swift Package Manager is a tool for automating the distribution of Swift code and is integrated into the swift compiler.

To add the library as package dependency to your Xcode project, select File > Swift Packages > Add Package Dependency and enter its repository URL https://github.com/Datt1994/DPTagTextView.git

Add Manually

Download Project and copy-paste DPTagTextView.swift file into your project

How to use

?Add DPTagTextView to UITextView Custom Class.

Code

Set up

tagTextView.dpTagDelegate = self // set DPTagTextViewDelegate Delegate 
tagTextView.setTagDetection(true) // true :- detecte tag on tap , false :- Search Tags using mentionSymbol & hashTagSymbol.
tagTextView.mentionSymbol = "@" // Search start with this mentionSymbol.
tagTextView.hashTagSymbol = "#" // Search start with this hashTagSymbol for hashtagging.
tagTextView.allowsHashTagUsingSpace = true // Add HashTag using space
tagTextView.textViewAttributes = [NSAttributedString.Key.foregroundColor: UIColor.black,
NSAttributedString.Key.font: UIFont.systemFont(ofSize: 15)] // set textview defult text Attributes
tagTextView.mentionTagTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.blue,
NSAttributedString.Key.backgroundColor: UIColor.lightGray,
NSAttributedString.Key.font: UIFont.boldSystemFont(ofSize: 15)] // set textview mentionTag text Attributes
tagTextView.hashTagTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.red,
NSAttributedString.Key.backgroundColor: UIColor.lightGray,
NSAttributedString.Key.font: UIFont.boldSystemFont(ofSize: 15)] // set textview hashTag text Attributes

//Set pre text and tags 
let tag1 = DPTag(name: "Lorem Ipsum", range: NSRange(location: 41, length: 11))
let tag2 = DPTag(id: "567681647", name: "suffered", range: NSRange(location: 86, length: 9), data: ["withHashTag" : "#suffered"], isHashTag: true,customTextAttributes: [NSAttributedString.Key.foregroundColor: UIColor.green,NSAttributedString.Key.backgroundColor: UIColor.black, NSAttributedString.Key.font: UIFont.boldSystemFont(ofSize: 15)])
let tag3 = DPTag(name: "humour", range: NSRange(location: 133, length: 7), isHashTag: true)

tagTextView.setText("There are many variations of passages of Lorem Ipsum available, but the majority have #suffered alteration in some form, by injected #humour, or randomised words which don't look even slightly believable.", arrTags: [tag1, tag2, tag3])

//Clear textview 
tagTextView.setText(nil, arrTags: [])

//Add tag replacing serached string
//tagTextView.addTag(allText: String?, tagText: String, id: String, data: [String : Any], customTextAttributes: [NSAttributedString.Key : Any], isAppendSpace: Bool)
tagTextView.addTag(tagText: "User Name")

Delegate Methods

extension ViewController : DPTagTextViewDelegate {
    func dpTagTextView(_ textView: DPTagTextView, didChangedTagSearchString strSearch: String, isHashTag: Bool) {
    }
    
    func dpTagTextView(_ textView: DPTagTextView, didInsertTag tag: DPTag) {
    }
    
    func dpTagTextView(_ textView: DPTagTextView, didRemoveTag tag: DPTag) {
    }
    
    func dpTagTextView(_ textView: DPTagTextView, didSelectTag tag: DPTag) {
    }
    
    func dpTagTextView(_ textView: DPTagTextView, didChangedTags arrTags: [DPTag]) {
    }
}

GitHub