Code Quality Rank: L4
Programming language: Swift
License: MIT License
Tags: UI     Alerts    
Latest version: v13.0.3

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Dodo, a message bar for iOS / Swift

Carthage compatible CocoaPods Version Swift Package Manager compatible [License](LICENSE) Platform

This is a UI widget for showing text messages in iOS apps. It is useful for showing short messages to the user, something like: "Message sent", "Note saved", "No Internet connection".

  • Dodo includes styles for success, info, warning and error type messages.
  • The bar can have buttons with custom tap handlers.
  • Bar styles can be customized.
  • You can provide custom animations for showing and hiding the bar or use one of the default animation presets.
  • Supports iOS 9+.

At last the Dodo said, `EVERYBODY has won, and all must have prizes.'

From Alice's Adventures in Wonderland. Original illustration by John Tenniel, 1865. Source: Wikimedia Commons.


There are multiple ways you can add Dodo to your project.

Add source

Simply add DodoDistrib.swift file into your Xcode project.

Setup with Carthage

Add github "evgenyneu/Dodo" ~> 13.0 to your Cartfile and run carthage update.

Setup with CocoaPods

If you are using CocoaPods add this text to your Podfile and run pod install.

target 'Your target name'
pod 'Dodo', '~> 13.0'

Setup with Swift Package Manager

Legacy Swift versions

Setup a previous version of the library if you use an older version of Swift.


Add import Dodo to your source code (unless you used the file setup method).

Dodo is an extension of UIView class. You can reach it by using using the dodo property in any instance of UIView or its subclass. It can be, for example, the view property of your view controller.

Show and hide message bar

view.dodo.success("Everybody has won and all must have prizes.")
view.dodo.info("Extinction is the rule. Survival is the exception.")
view.dodo.warning("This world is but a canvas to our imagination.")
view.dodo.error("The perception of beauty is a moral test.")


If you are showing the bar in the root view you may need to provide top or bottom anchors. This will prevent the message bar from overlapping with the status or the tab bar.

view.dodo.topAnchor = view.safeAreaLayoutGuide.topAnchor
view.dodo.bottomAnchor = view.safeAreaLayoutGuide.bottomAnchor
view.dodo.success("I solemnly swear to avoid the notch.")

Alternatively, you can specify the anchors from the layout guides:

view.dodo.topAnchor = topLayoutGuide.bottomAnchor
view.dodo.bottomAnchor = bottomLayoutGuide.topAnchor
view.dodo.success("I solemnly swear to avoid the notch.")


Set dodo.style property to style the message bar before it is shown. See the styling manual for the complete list of configuration options.

// Set the text color
view.dodo.style.label.color = UIColor.white

// Set background color
view.dodo.style.bar.backgroundColor = DodoColor.fromHexString("#00000090")

// Close the bar after 3 seconds
view.dodo.style.bar.hideAfterDelaySeconds = 3

// Close the bar when it is tapped
view.dodo.style.bar.hideOnTap = true

// Show the bar at the bottom of the screen
view.dodo.style.bar.locationTop = false

// Do something on tap
view.dodo.style.bar.onTap = { /* Tapped on the bar */ }

Add buttons or icons

Set style.leftButton and style.rightButton properties to show buttons or icons. As with other style properties please style the buttons before the message is shown.

// Use a built-in icon
view.dodo.style.leftButton.icon = .close

// Supply your image
view.dodo.style.leftButton.image = UIImage(named: "CloseIcon")

// Change button's image color
view.dodo.style.leftButton.tintColor = DodoColor.fromHexString("#FFFFFF90")

// Do something on tap
view.dodo.style.leftButton.onTap = { /* Button tapped */ }

// Close the bar when the button is tapped
view.dodo.style.leftButton.hideOnTap = true

Customize animation

Configure the animation effect of the bar before it is shown. See the animation wiki page for more information.

// Use existing animations
view.dodo.style.bar.animationShow = DodoAnimations.rotate.show
view.dodo.style.bar.animationHide = DodoAnimations.slideRight.hide

// Turn off animation
view.dodo.style.bar.animationShow = DodoAnimations.noAnimation.show

Unit testing

Sometimes it is useful to verify which messages were shown by your app in unit tests. It can be done by setting an instance of DodoMock class to view.dodo property.

See the unit testing manual for more details.

Known limitations

Using Dodo from Objective-C

This manual describes how to show Dodo messages in Objective-C apps.

Demo iOS app

This project includes a demo app.

Thanks 👍

Quotes credits

Albert Einstein

Information is not knowledge.

Carl Sagan

Extinction is the rule. Survival is the exception.

George S. Patton

Success is how high you bounce when you hit bottom.

Henry David Thoreau

This world is but a canvas to our imagination.

The perception of beauty is a moral test.

Joe Namath

When you win, nothing hurts.

Lewis Carroll

Everybody has won and all must have prizes.

Malcolm Forbes

Failure is success if we learn from it.

William Blake

If the doors of perception were cleansed everything would appear to man as it is, Infinite.

Alternative solutions

Here are some other message bar libraries for iOS:


Dodo is released under the [MIT License](LICENSE).


This project is dedicated to the dodo, species of flightless birds that lived on the island of Mauritius and became extinct in the 17th century.

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