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Fully customisable tooltip view in Swift for iOS.
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README.md

README.md

EasyTipView: fully customisable tooltip view written in Swift

Swift3 Platform Build Status Version Carthage Compatible License

Description

EasyTipView is a fully customizable tooltip view written in Swift that can be used as a call to action or informative tip.

Contents

  1. Features
  2. Installation
  3. Supported OS & SDK versions
  4. Usage
  5. Customizing the appearance
  6. Customising the presentation and dismissal animations
  7. License
  8. Contact

Features

  • Can be shown pointing to any UIBarItem or UIView subclass.
  • Support for any arrow direction ←, →, ↑, ↓
  • Automatic orientation change adjustments.
  • Fully customizable appearance (text or custom content view).
  • Fully customizable presentation and dismissal animations.

Installation

CocoaPods

CocoaPods is a dependency manager for Cocoa projects.

CocoaPods 0.36 adds supports for Swift and embedded frameworks. You can install it with the following command:

$ gem install cocoapods

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

For Swift 4.x

pod 'EasyTipView', '~> 2.0.4'

For Swift 3.x

pod 'EasyTipView', '~> 2.0.4'

Then, run the following command:

$ pod install

In case Xcode complains ("Cannot load underlying module for EasyTipView") go to Product and choose Clean (or simply press K).

Carthage

Carthage is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks.

You can install Carthage with Homebrew using the following command:

$ brew update
$ brew install carthage

To integrate EasyTipView into your Xcode project using Carthage, specify it in your Cartfile:

github "teodorpatras/EasyTipView"

Run carthage update to build the framework and drag the built EasyTipView.framework into your Xcode project.

Manually

If you prefer not to use either of the aforementioned dependency managers, you can integrate EasyTipView into your project manually.

Supported OS & SDK Versions

  • Supported build target - iOS 8+ (Xcode 8)

Usage

  1. First you should customize the preferences:
var preferences = EasyTipView.Preferences()
preferences.drawing.font = UIFont(name: "Futura-Medium", size: 13)!
preferences.drawing.foregroundColor = UIColor.whiteColor()
preferences.drawing.backgroundColor = UIColor(hue:0.46, saturation:0.99, brightness:0.6, alpha:1)
preferences.drawing.arrowPosition = EasyTipView.ArrowPosition.Top

/*
 * Optionally you can make these preferences global for all future EasyTipViews
 */
EasyTipView.globalPreferences = preferences
  1. Secondly call the show(animated: forView: withinSuperview: text: preferences: delegate:) method:
EasyTipView.show(forView: self.buttonB,
withinSuperview: self.navigationController?.view,
text: "Tip view inside the navigation controller's view. Tap to dismiss!",
preferences: preferences,
delegate: self)

Note that if you set the EasyTipView.globalPreferences, you can ommit the preferences parameter in all calls. Additionally, you can also ommit the withinSuperview parameter and the EasyTipView will be shown within the main application window.

Alternatively, if you want to dismiss the EasyTipView programmatically later on, you can use one of the instance methods:

let tipView = EasyTipView(text: "Some text", preferences: preferences)
tipView.show(forView: someView, withinSuperview: someSuperview)

// later on you can dismiss it
tipView.dismiss()

Customizing the appearance

In order to customize the EasyTipView appearance and behavior, you can play with the Preferences structure which encapsulates all the customizable properties of the EasyTipView. These preferences have been split into three structures:

  • Drawing - encapsulates customizable properties specifying how EastTipView will be drawn on screen.
  • Positioning - encapsulates customizable properties specifying where EasyTipView will be drawn within its own bounds.
  • Animating - encapsulates customizable properties specifying how EasyTipView will animate on and off screen.
Drawing attribute Description
cornerRadius The corner radius of the tip view bubble.
arrowHeight The height of the arrow positioned at the top or bottom of the bubble.
arrowWidth The width of the above mentioned arrow.
foregroundColor The text color.
backgroundColor The background color of the bubble.
arrowPosition The position of the arrow. This can be:
+ .top: on top of the bubble
+ .bottom: at the bottom of the bubble.
+ .left: on the left of the bubble
+ .right: on the right of the bubble
+ .any: use this option to let the EasyTipView automatically find the best arrow position.
If the passed in arrow cannot be applied due to layout restrictions, a different arrow position will be automatically assigned.
textAlignment The alignment of the text.
borderWidth Width of the optional border to be applied on the bubble.
borderColor Color of the optional border to be applied on the bubble. In order for the border to be applied, borderColor needs to be different that UIColor.clear and borderWidth > 0
font Font to be applied on the text.
shadowColor The color of the shadow (default UIColor.clearcolor).
shadowOpacity The opacity of the shadow (default 0). For the shadow to be drawn, both shadowColor and shadowOpacity must be set to a valid value.
shadowRadius The radius of the shadow (default 0).
shadowOffset The offset of the shadow.
Positioning attribute Description
bubbleHInset Horizontal bubble inset within its container.
bubbleVInset Vertical bubble inset within its container.
contentHInset Content horizontal inset within the bubble.
contentVInset Content vertical inset within the bubble.
maxWidth Max bubble width.
Animating attribute Description
dismissTransform CGAffineTransform specifying how the bubble will be dismissed.
showInitialTransform CGAffineTransform specifying the initial transform to be applied on the bubble before it is animated on screen.
showFinalTransform CGAffineTransform specifying how the bubble will be animated on screen.
springDamping Spring animation damping.
springVelocity Spring animation velocity.
showInitialAlpha Initial alpha to be applied on the tip view before it is animated on screen.
dismissFinalAlpha The alpha to be applied on the tip view when it is animating off screen.
showDuration Show animation duration.
dismissDuration Dismiss animation duration.
dismissOnTap Prevents view from dismissing on tap if it is set to false. (Default value is true.)

Customising the presentation or dismissal animations

The default animations for showing or dismissing are scale up and down. If you want to change the default behavior, you need to change the attributes of the animating property within the preferences. An example could be:

preferences.animating.dismissTransform = CGAffineTransform(translationX: 0, y: -15)
preferences.animating.showInitialTransform = CGAffineTransform(translationX: 0, y: -15)
preferences.animating.showInitialAlpha = 0
preferences.animating.showDuration = 1.5
preferences.animating.dismissDuration = 1.5

This produces the following animations:

For more animations, checkout the example project. Once you configured the animations, a good idea would be to make these preferences global, for all future instances of EasyTipView by assigning it to EasyTipView.globalPreferences.

License

EasyTipView is developed by Teodor Patraş and is released under the MIT license. See the LICENSE file for details.

Logo was created using Bud Icons Launch graphic by Budi Tanrim from FlatIcon which is licensed under Creative Commons BY 3.0. Made with Logo Maker.

Contact

You can follow or drop me a line on my Twitter account. If you find any issues on the project, you can open a ticket. Pull requests are also welcome.

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