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Code Quality Rank: L2
Monthly Downloads: 0
Programming language: Swift
License: MIT License
Tags: UI     Alerts    
Latest version: v1.8.0

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README

TTGSnackbar

A Swift based implementation of the Android Snackbar for iOS

Build Status Version License Platform Swift4 Apps Using Total Download

Screenshot

Gif

Screenshot

About

TTGSnackbar is useful for showing a brief message at bottom or top of the screen with one or two action buttons. It appears above all other elements on screen.
It disappears after a timeout or after user click the action button.

Installation

Swift 5

Version 1.8.0 Xcode 9
iOS 8+

Swift 4

Version 1.6.0 Xcode 9
iOS 8+

Swift 3

Version 1.5.3 Xcode 8
iOS 8+

CocoaPods

You can use CocoaPods to install TTGSnackbar by adding it to your Podfile:

pod "TTGSnackbar"

Carthage

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

github "zekunyan/TTGSnackbar"

Import

And you need to import the module.

import TTGSnackbar

Usage

Show a simple message

Example

let snackbar = TTGSnackbar(message: "TTGSnackbar !", duration: .short)
snackbar.show()

Show a simple message with an action button

Example

let snackbar = TTGSnackbar(
    message: "TTGSnackBar !",
    duration: .middle,
    actionText: "Action!",
    actionBlock: { (snackbar) in
        print("Click action!")
    }
)
snackbar.show()

Show a simple message with a long running action

Example

let snackbar = TTGSnackbar(
    message: "TTGSnackbar !",
    duration: .forever,
    actionText: "Action",
    actionBlock: { (snackbar) in
        print("Click action!")
        // Dismiss manually after 3 seconds
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + Double(Int64(3 * Double(NSEC_PER_SEC))) / Doubl(NSEC_PER_SEC)) {
            snackbar.dismiss()
        }   
    }
)
snackbar.show()

Show a simple message with two action buttons

Example

let snackbar = TTGSnackbar(message: "Two actions !", duration: .long)

// Action 1
snackbar.actionText = "Yes"
snackbar.actionTextColor = UIColor.green
snackbar.actionBlock = { (snackbar) in NSLog("Click Yes !") }

// Action 2
snackbar.secondActionText = "No"
snackbar.secondActionTextColor = UIColor.yellow
snackbar.secondActionBlock = { (snackbar) in NSLog("Click No !") }

snackbar.show()

Show a simple message with an icon image

Example

let snackbar = TTGSnackbar(message: "TTGSnackbar !", duration: .long)

// Add icon image
snackbar.icon = UIImage(named: "emoji_cool_small")

snackbar.show()

[Improved!] Show custom content view in snackbar

Example

// Instantiate the custom content view
let customContentView = UINib(nibName: "CustomView", bundle:Bundle.main).instantiate(withOwner: nil, options: nil).first as! UIView?

// Initialize the snackbar with the custom content view
let snackbar = TTGSnackbar(customContentView: customContentView, duration: .long)

snackbar.show()

Make use of the Gesture recognizers in snackbar

Example

let snackbar = TTGSnackbar(message: "TTGSnackbar !", duration: .long)

// Add icon image
snackbar.icon = UIImage(named: "emoji_cool_small")

// Add the gesture recognizer callbacks
ssnackbar.onTapBlock = { snackbar in
    snackbar.dismiss()
}

snackbar.onSwipeBlock = { (snackbar, direction) in

    // Change the animation type to simulate being dismissed in that direction
    if direction == .right {
        snackbar.animationType = .slideFromLeftToRight
    } else if direction == .left {
        snackbar.animationType = .slideFromRightToLeft
    } else if direction == .up {
        snackbar.animationType = .slideFromTopBackToTop
    } else if direction == .down {
        snackbar.animationType = .slideFromTopBackToTop
    }

    snackbar.dismiss()
}

snackbar.show()

[New!] Automatic handling of Showing one Snackbar at a time

TTGSnackbarManager can handle automatically showing and replacing the presented Snackbars at your screen.

Note: This is an experimental feature that works only for message only snackbars at the moment.

let snackbar = TTGSnackbar(message: "TTGSnackbar !", duration: .long)
TTGSnackbarManager.show(snackbar)

TTGSnackbarManager uses the dismissBlock property of a snackbar, if you still need to use it you can use the dismissBlock parameter of TTGSnackbarManager.show(_: TTGSnackbar, dismissBlock: @escaping TTGDismissBlock) Example:

let snackbar = TTGSnackbar(message: "TTGSnackbar !", duration: .long)
TTGSnackbarManager.show(snackbar) {
    // Some dismiss block here
}

Customization

Message

message: String defines the message to display. Supports multi line text. Supports updating on the fly.

Message text color

messageTextColor: UIColor defines the message text color.

Message text font

messageTextFont: UIFont defines the message text font.

Display duration

duration: TTGSnackbarDurationdefines the display duration.
TTGSnackbarDuration : short, middle, long and forever. When you set forever, the snackbar will show an activity indicator after user click the action button and you must dismiss the snackbar manually.

Action title

actionText: String defines the action button title.

Action title color

actionTextColor: UIColor defines the action button title color.

Action title font

actionTextFont: UIFont defines the action button title font.

Action max width

actionMaxWidth: CGFloat defines the action button max width. Min is 44.

Action text number of lines

actionTextNumberOfLines: Int defines the number of lines of action button title. Default is 1.

Action callback

actionBlock: TTGActionBlock? will be called when user clicks the action button.

// TTGActionBlock definition.
public typealias TTGActionBlock = (snackbar: TTGSnackbar) -> Void

Second action title, color, font and callback

secondActionText: String  
secondActionTextColor: UIColor  
secondActionTextFont: UIFont  
secondActionBlock: TTGActionBlock?

Dismiss callback

dismissBlock: TTGDismissBlock? will be called when snackbar dismiss automatically or when user click action button to dismiss the snackbar.

// TTGDismissBlock definition.
public typealias TTGDismissBlock = (snackbar: TTGSnackbar) -> Void

On Tap Gesture callback

onTapBlock: TTGActionBlock will be called when the user taps the snackbar.

// TTGActionBlock definition.
public typealias TTGActionBlock = (snackbar: TTGSnackbar) -> Void

On Swipe Gesture callback

onSwipeBlock: TTGSwipeBlock will be called when the user swipes on the snackbar

/// Swipe gesture callback closure
public typealias TTGSwipeBlock = (_ snackbar: TTGSnackbar, _ direction: UISwipeGestureRecognizerDirection) -> Void

Auto Dismissal using Swipe Gestures

shouldDismissOnSwipe: Bool will determine if the snackbar will automatically be dismissed when it's swiped

/// A property to make the snackbar auto dismiss on Swipe Gesture
public var shouldDismissOnSwipe: Bool = false

Animation type

animationType: TTGSnackbarAnimationType defines the style of snackbar when it show and dismiss.

TTGSnackbarAnimationType : fadeInFadeOut, slideFromBottomToTop, slideFromBottomBackToBottom, slideFromLeftToRight, slideFromRightToLeft, slideFromTopToBottom and slideFromTopBackToTop.

The default value of animationType is slideFromBottomBackToBottom, which is the same as Snackbar in Android.

Animation duration

animationDuration: NSTimeInterval defines the duration of show and hide animation.

Margins

leftMargin: CGFloat, rightMargin: CGFloat, topMargin: CGFloat and bottomMargin: CGFloat defines the margins of snackbar

[New!] Custom Content View to follow left and right margins

shouldActivateLeftAndRightMarginOnCustomContentView: Bool will activate the left and right margins if using a customContentView

/// a property to enable left and right margin when using customContentView
public var shouldActivateLeftAndRightMarginOnCustomContentView: Bool = false

Padding (Content inset)

contentInset: UIEdgeInsets defines the padding(content inset) of content in the snackbar. Default is UIEdgeInsets.init(top: 0, left: 4, bottom: 0, right: 4).

Corner radius

cornerRadius: CGFloat defines the corner radius of snackbar.

Icon image

icon: UIImage defines the icon image.

Icon image content mode

iconContentMode: UIViewContentMode defines the content mode of icon imageView.

[New!] Custom container view

containerView: UIView defines the custom container(super) view for snackbar to show.

[New!] Custom content view

customContentView: UIView? defines the custom content view to show in the snackbar.

[New!] Separator line view background color

separateViewBackgroundColor: UIColor = UIColor.gray defines the separator line color.

ActivityIndicatorViewStyle

activityIndicatorViewStyle: UIActivityIndicatorViewStyle defines the activityIndicatorViewStyle in snackbar.

ActivityIndicatorView color

activityIndicatorViewColor: UIColor defines the activityIndicatorView color in snackbar.

Animation SpringWithDamping

animationSpringWithDamping: CGFloat defines the spring animation damping value. Default is 0.7.

Animation initialSpringVelocity

animationInitialSpringVelocity: CGFloat defines the spring animation initial velocity. Default is 5.

Contact me

zekunyan@163.com


*Note that all licence references and agreements mentioned in the TTGSnackbar README section above are relevant to that project's source code only.