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LUAutocompleteView

Easy to use and highly configurable autocomplete view that is attachable to any UITextField

Installation

CocoaPods

CocoaPods is a dependency manager for Cocoa projects. You can install it with the following command:

$ sudo gem install cocoapods

CocoaPods 1.7.0+ is required.

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

source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '9.0'
use_frameworks!

target '<Your Target Name>' do
    pod 'LUAutocompleteView'
end

Then, run the following command:

$ pod install

Carthage

You can use Carthage to install LUAutocompleteView by adding it to your Cartfile:

github "LaurentiuUngur/LUAutocompleteView" ~> 4.0

Then run carthage update.

If this is your first time using Carthage in the project, you'll need to go through some additional steps as explained over at Carthage.

Swift Package Manager

To integrate using Apple's Swift Package Manager, add the following as a dependency to your Package.swift:

.Package(url: "https://github.com/LaurentiuUngur/LUAutocompleteView", majorVersion: 4)

Here's an example of PackageDescription:

import PackageDescription

let package = Package(name: "MyApp",
    dependencies: [
        .Package(url: "https://github.com/LaurentiuUngur/LUAutocompleteView", majorVersion: 4)
    ])

Manually

If you prefer not to use either of the before mentioned dependency managers, you can integrate LUAutocompleteView into your project manually.

Usage

• Import LUAutocompleteView into your project.

import LUAutocompleteView

• Assign to textField property the text field to which the autocomplete view you want be attached.

autocompleteView.textField = textField

• Set as data source and delegate.

autocompleteView.dataSource = self
autocompleteView.delegate = self

• Implement LUAutocompleteViewDataSource and LUAutocompleteViewDelegate protocols.

// MARK: - LUAutocompleteViewDataSource

extension ViewController: LUAutocompleteViewDataSource {
    func autocompleteView(_ autocompleteView: LUAutocompleteView, elementsFor text: String, completion: @escaping ([String]) -> Void) {
        let elementsThatMatchInput = elements.filter { $0.lowercased().contains(text.lowercased()) }
        completion(elementsThatMatchInput)
    }
}

// MARK: - LUAutocompleteViewDelegate

extension ViewController: LUAutocompleteViewDelegate {
    func autocompleteView(_ autocompleteView: LUAutocompleteView, didSelect text: String) {
        print(text + " was selected from autocomplete view")
    }
}

Customisation

• Create your custom autocomplete cell by subclassing LUAutocompleteTableViewCell.
• Override func set(text: String) from LUAutocompleteTableViewCell that is called every time when given text should be displayed by the cell.

import UIKit
import LUAutocompleteView

final class CustomAutocompleteTableViewCell: LUAutocompleteTableViewCell {
    // MARK: - Base Class Overrides

    override func set(text: String) {
        textLabel?.text = text
        textLabel?.textColor = .red
    }
}

• Assign to autocompleteCell property your custom autocomplete cell.

autocompleteView.autocompleteCell = CustomAutocompleteTableViewCell.self

For more usage details please see example app

Requirements

• Xcode 10.2+
• Swift 5.0+
• iOS 9.0+

Author

• Laurentiu Ungur

License

• LUAutocompleteView is available under the MIT license.