PCLBlurEffectAlert

Swift AlertController, use UIVisualeffectview

Requirements

• iOS 8.0+
• Swift 3.0+
• ARC

Feature

• Change color
• Change effect
• Change font
• Use UITextField
• Use UIImageView

install

Cocoapods

Adding the following to your Podfile and running pod install:

use_frameworks!
pod "PCLBlurEffectAlert"

import

import PCLBlurEffectAlert

Initialize

UIBlurEffect

// Default effect: UIBlurEffect(style: .extraLight)
convenience init(title: String?, message: String?, effect: UIBlurEffect, style: PCLBlurEffectAlert.ControllerStyle)

style => alert, alertVertical, actionSheet

When actions count becomes more than 3, alert and alertVertical is the same as.

Usage

Example

let alertController = PCLBlurEffectAlertController(title: "How are you doing?", 
                                                  message: "Press a button!",
                                                  effect: UIBlurEffect(style: .lightdark)
                                                  style: .alert)'
// Customize if needed
alertController.configure(titleColor: .white)
alertController.configure(buttonFont: [.default: UIFont.systemFont(ofSize: 24),
                                       .destructive: UIFont.boldSystemFont(ofSize: 20),
                                       .cancel: UIFont.systemFont(ofSize: 14)])

// Adds ImageView
alertController.addImageView(with: <image files>)

// Adds TextField
alertController.addTextField()

// Adds actions
let action = PCLBlurEffectAlertAction(title: "I’m fine.", style: .default) { _ in }
let cancelAction = PCLBlurEffectAlertAction(title: "Not so good.", style: .cancel) { _ in }
alertController.addAction(action)
alertController.addAction(cancelAction)

// Presented
alertController.show() // or present(alertController, animated: true, completion: nil)

Sources

// Adds Actions
open func addAction(_ action: PCLBlurEffectAlertAction)
// Adds ImageView
open func addImageView(with image: UIImage, configurationHandler: ((UIImageView?) -> Void)? = nil)
// Adds TextFields
open func addTextField(with configurationHandler: ((UITextField?) -> Void)? = nil)
// Presented
open func show()

Customize

// Default ActionSheet: UIScreen.main.bounds.width - (margin * 2)
// Default Alert: 320 - (margin * 2)
func configure(alertViewWidth: CGFloat)

// Default: 4
func configure(cornerRadius: CGFloat)
// Default: 1 / UIScreen.main.scale
func configure(thin: CGFloat)
// Default: 8
func configure(margin: CGFloat)

/// Color
// Default: UIColor.black.withAlphaComponent(0.3)
func configure(overlayBackgroundColor: UIColor)
// Default: .clear
func configure(backgroundColor: UIColor)

/// Text
// Default: .boldSystemFont(ofSize: 16)
// Default: .black
func configure(titleFont: UIFont, titleColor: UIColor)
// Default: .systemFont(ofSize: 14)
// Default: .black
func configure(messageFont: UIFont, messageColor: UIColor)
// Default: 
// .default: UIFont.systemFont(ofSize: 16),
// .cancel: UIFont.systemFont(ofSize: 16),
// .destructive: UIFont.systemFont(ofSize: 16)
func configure(buttonFont: [PCLBlurEffectAlert.ActionStyle : UIFont])
// Default: 
// .default: .black,
// .cancel: .black,
// .destructive: .red
func configure(buttonTextColor: [PCLBlurEffectAlert.ActionStyle : UIColor])
// Default: 
// .default: .gray,
// .cancel: .gray,
// .destructive: .gray
func configure(buttonDisableTextColor: [PCLBlurEffectAlert.ActionStyle : UIColor])

/// Button
// Default: 44
func configure(buttonHeight: CGFloat)
// Default: .clear
func configure(buttonBackgroundColor: UIColor)

// Default: 32
func configure(textFieldHeight: CGFloat)
// Default: UIColor.white.withAlphaComponent(0.1)
func configure(textFieldsViewBackgroundColor: UIColor)
// Default: UIColor.black.withAlphaComponent(0.15)
func configure(textFieldBorderColor: UIColor)

More Examples

let alertController = PCLBlurEffectAlertController(title: "How are you doing?", 
                                                  message: "Press a button!",
                                                  style: .alert)
let action1 = PCLBlurEffectAlertAction(title: "I’m fine.", style: .default) { _ in }
let action2 = PCLBlurEffectAlertAction(title: "Not so good.", style: .default) { _ in }
alertController.addAction(action1)
alertController.addAction(action2)
alertController.show()

let alertController = PCLBlurEffectAlertController(title: "title title title title title title title",
                                                  message: "message message message message message",
                                                  effect: UIBlurEffect(style: .light),
                                                  style: .alert)
alertController.addTextField { _ in }
alertController.addTextField { _ in }
alertController.configure(textFieldsViewBackgroundColor: UIColor.white.withAlphaComponent(0.1))
alertController.configure(textFieldBorderColor: .black)
alertController.configure(buttonDisableTextColor: [.default: .lightGray, .destructive: .lightGray])
let action1 = PCLBlurEffectAlertAction(title: "Default", style: .default) { _ in }
let action2 = PCLBlurEffectAlertAction(title: "Destructive", style: .destructive) { _ in }
let cancelAction = PCLBlurEffectAlertAction(title: "Cancel", style: .cancel) { _ in }
alertController.addAction(action1)
alertController.addAction(action2)
alertController.addAction(cancelAction)
alertController.show()

let alertController = PCLBlurEffectAlertController(title: "How are you doing?", 
                                                  message: "Press a button!",
                                                  effect: UIBlurEffect(style: .dark),
                                                  style: .actionSheet)
let action1 = PCLBlurEffectAlertAction(title: "I’m fine.", style: .default) { _ in }
let action2 = PCLBlurEffectAlertAction(title: "Not so good.", style: .default) { _ in }
alertController.addAction(action1)
alertController.addAction(action2)
alertController.show()

let alertController = PCLBlurEffectAlertController(title: "title title title title title title title",
                                                  message: "message message message message message",
                                                  style: .actionSheet)
alertController.addTextField()
alertController.addTextField()
alertController.configure(textFieldsViewBackgroundColor: UIColor.white.withAlphaComponent(0.1))
alertController.configure(textFieldBorderColor: .black)
alertController.configure(buttonDisableTextColor: [.default: .lightGray, .destructive: .lightGray])
let action1 = PCLBlurEffectAlertAction(title: "Default", style: .default) { _ in }
let action2 = PCLBlurEffectAlertAction(title: "Destructive", style: .destructive) { _ in }
let cancelAction = PCLBlurEffectAlertAction(title: "Cancel", style: .cancel) { _ in }
alertController.addAction(action1)
alertController.addAction(action2)
alertController.addAction(cancelAction)
alertController.show()

let alertController = PCLBlurEffectAlertController(title: "title title title title title title title",
                                                    message: "message message message message message",
                                                    style: .alert)
alertController.addImageView(with: UIImage(named: "cat")!)
let catAction = PCLBlurEffectAlertAction(title: "Cat?", style: .default) { _ in
    print("You pressed Cat?")
}
let dogAction = PCLBlurEffectAlertAction(title: "Dog?", style: .default) { _ in
    print("You pressed Dog?")
}
alertController.addAction(catAction)
alertController.addAction(dogAction)
alertController.show()

Photos from

• by pakutaso.com
• by FLATICON

Acknowledgements

• Inspired by DOAlertController in okmr-d.

License

This project is made available under the MIT license. See LICENSE file for details.