UITextFieldNavigation

Textfield

October 21, 2023

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Description

UITextField-Navigation adds next, previous and done buttons to the keyboard for your UITextFields and UITextViews. It allows you to specify a next field either on the Interface Builder or programmatically. Then, you can access next and previous fields of each UITextField or UITextView easily.

The UI is highly customizable. RTL languages are supported.

To run the example project:

pod try UITextField-Navigation

Usage

Basic

You can set the nextNavigationField property for each UITextField and UITextView either on the Interface Builder or programmatically. The previousNavigationField property will be set on the other UITextField or UITextView automatically for you.

Example:


                                              
                                                import UITextField_Navigation
…

let textField = UITextField()

let textView = UITextView()

textField.nextNavigationField = textView
assert(textView == textField.nextNavigationField)

assert(textField == textView.previousNavigationField)

Please note that the nextNavigationField and previousNavigationField properties are not retained.

Capturing taps

To capture taps on the next, previous and done buttons, assign a delegate to your NavigationField, which is a UITextField or UITextView, also either on the Interface Builder or programmatically. Then implement the NavigationFieldDelegate protocol (in addition to the UITextFieldDelegate or UITextViewDelegate protocol) for the delegate. Please note that you have to explicitly declare that the delegate conforms to the NavigationFieldDelegate protocol to make it work.

Swift


                                              
                                                import UIKit

import UITextField_Navigation
…

extension ViewController: NavigationFieldDelegate { // explicitly protocol conforming declaration
func navigationFieldDidTapPreviousButton(_ navigationField: NavigationField) {

navigationField.previousNavigationField?.becomeFirstResponder()

// your custom work

}
func navigationFieldDidTapNextButton(_ navigationField: NavigationField) {

navigationField.nextNavigationField?.becomeFirstResponder()

// your custom work

}
func navigationFieldDidTapDoneButton(_ navigationField: NavigationField) {

navigationField.resignFirstResponder()

// your custom work

}

}

Objective-C


                                              
                                                @import UITextField_Navigation;

#import “ViewController.h”
@interface ViewController () <NavigationFieldDelegate> // explicitly protocol conforming declaration
…

#pragma mark – NavigationFieldDelegate
– (void)navigationFieldDidTapPreviousButton:(id<NavigationField>)navigationField {

[navigationField.previousNavigationField becomeFirstResponder];

// your custom work

}
– (void)navigationFieldDidTapNextButton:(id<NavigationField>)navigationField {

[navigationField.nextNavigationField becomeFirstResponder];

// your custom work

}
– (void)navigationFieldDidTapDoneButton:(id<NavigationField>)navigationField {

[navigationField resignFirstResponder];

// your custom work

}

Set button titles

The titles of the previous, next and done buttons can be modified for each instant by setting the title property of each corresponding button.


                                              
                                                navigationField.navigationFieldToolbar?.previousButton.title = “Previous”

navigationField.navigationFieldToolbar?.nextButton.title = “Next”

navigationField.navigationFieldToolbar?.doneButton.title = “Dismiss”

Or they can be set globally for all instances using Config.


                                              
                                                func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

UITextField_Navigation.Config.previousButtonTitle = “Previous”

UITextField_Navigation.Config.nextButtonTitle = “Next”

UITextField_Navigation.Config.doneButtonTitle = “Done”

return true

}

UI Customization

Using UIAppearance

Modify the appearance proxy of the NavigationFieldToolbar and NavigationFieldToolbarButtonItem classes to customize the navigation view’s UI for all fields.


                                              
                                                NavigationFieldToolbar.appearance().barStyle = .black

NavigationFieldToolbar.appearance().backgroundColor = .purple

if #available(iOS 11.0, *) {

UIButton.appearance(whenContainedInInstancesOf: [NavigationFieldToolbar.self]).tintColor = .white

} else {

NavigationFieldToolbarButtonItem.appearance().tintColor = .white

}

Directly and adding more buttons

Alternatively, you can directly modify the UI of each navigation view by accessing the navigationFieldToolbar property of a UITextField or UITextView.


                                              
                                                …

navigationField.navigationFieldToolbar?.barStyle = .default

navigationField.navigationFieldToolbar?.backgroundColor = .red
// Add a custom button

let customButton = UIBarButtonItem(title: “Custom”, style: .plain, target: nil, action: nil)

let flexibleSpace = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)

navigationField.navigationFieldToolbar?.items = [navigationField.navigationFieldToolbar!.previousButton, navigationField.navigationFieldToolbar!.nextButton, customButton, flexibleSpace, navigationField.navigationFieldToolbar!.doneButton]

Installation

Carthage

Add the line below to your Cartfile:


                                              
                                                github “T-Pham/UITextField-Navigation”

CocoaPods

Add the line below to your Podfile:


                                              
                                                pod ‘UITextField-Navigation’

Manually

Download and drop /UITextField-Navigation/Classes folder in your project.
Congratulations!

Compatibility

Swift 4, 5: please use the latest version
Swift 3: please use version 3.0.0
Swift 2: please use version 1.4.3

GitHub

View Github

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