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https://github.com/delba/Tactile

A better way to handle gestures on iOS
https://github.com/delba/Tactile

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A better way to handle gestures on iOS

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README 

        


  






  Travis Status

  CocoaPods compatible

  Carthage compatible




**Tactile** is a safer and more idiomatic way to respond to gestures and control events. It lets you catch bugs at compile time and write more expressive code.



```swift

view.pan([

    .began:   panBegan,

    .changed: panChanged,

    .ended:   panEnded

])



// func panBegan(pan: UIPanGestureRecognizer)

// func panChanged(pan: UIPanGestureRecognizer)

// func panEnded(pan: UIPanGestureRecognizer)

```





  Usage • Installation • License




## Usage



**Tactile** extends both [`UIView`](https://github.com/delba/Tactile#uiview-extensions) and [`UIControl`](https://github.com/delba/Tactile#uicontrol-extensions) classes.



### UIView extensions

[`UIView+Tactile.swift`](https://github.com/delba/Tactile/blob/master/Source/UIView%2BTactile.swift)



#### The `on` method



Use the `on` method to add gesture recognizers.



**`on(gesture:callback:)`**



```swift

let tap = UITapGestureRecognizer()

tap.numberOfTapsRequired = 3

tap.numberOfTouchesRequired = 2



view.on(tap, tapped)



// func tapped(tap: UITapGestureRecognizer)

```



**`on(gesture:state:callback:)`**



```swift

let pinch = UIPinchGestureRecognizer()



view.on(pinch, .began, pinchBegan)



// func pinchBegan(pinch: UIPinchGestureRecognizer)

```



**`on(gesture:states:callback:)`**



```swift

let pan = UIPanGestureRecognizer()



view.on(pan, [.began, .ended], panBeganOrEnded)



// func panBeganOrEnded(pan: UIPanGestureRecognizer)

```



**`on(gesture:callbacks:)`**



```swift

let pinch = UIPinchGestureRecognizer()



view.on(pinch, [

  .began: pinchBegan,

  .ended: pinchEnded

])



// func pinchBegan(pinch: UIPinchGestureRecognizer)

// func pinchEnded(pinch: UIPinchGestureRecognizer)

```



#### The shorthand methods



**Tactile** defines 6 shorthand methods: `longPress`, `pan`, `pinch`, `rotation`, `swipe` and `tap`.



**`(callback:)`**



```swift

view.tap(tapped)



// func tapped(tap: UITapGestureRecognizer)

```



**`(state:callback:)`**



```swift

view.pinch(.began, pinchBegan)



// func pinchBegan(pinch: UIPinchGestureRecognizer)

```



**`(states:callback:)`**



```swift

view.pan([.began, .ended], panBeganOrEnded)



// func panBeganOrEnded(pan: UIPanGestureRecognizer)

```



**`(callbacks:)`**



```swift

view.longPress([

  .began: longPressBegan,

  .ended: longPressEnded

])



// func longPressBegan(longPress: UILongPressGestureRecognizer)

// func longPressEnded(longPress: UILongPressGestureRecognizer)

```



#### The `off` method



Use the `off` method to remove gesture recognizers.



**`off(gesture:)`**



```swift

let tap = UITapGestureRecognizer()

view.on(tap, tapped)



// ...



view.off(tap)

```



**`off(gestureType:)`**



```swift

view.off(UITapGestureRecognizer.self)

```



**`off()`**



```swift

view.off()

```



#### Attaching a gesture recognizer to multiple views



With Tactile, you can attach the same gesture recognizer to multiple views.



```swift

let tap = UITapGestureRecognizer()

tap.numberOfTapsRequired = 3

tap.numberOfTouchesRequired = 2



firstView.on(tap, firstViewTapped)

secondView.on(tap, secondViewTapped)

```



### UIControl extensions

[`UIControl+Tactile.swift`](https://github.com/delba/Tactile/blob/master/Source/UIControl%2BTactile.swift)



Use the `on` method to attach an event handler function for one or more control events.



**on(event:callback:)**



```swift

button.on(.touchUpInside, tapped)



// func tapped(button: UIButton)

```



**on(events:callback:)**



```swift

button.on([.touchUpInside, .touchUpOutside], tapped)



// func tapped(button: UIButton)

```



**on(callbacks:)**



```swift

button.on([

  .touchUpInside: tapped,

  .touchUpOutside: cancelledTap

])



// func tapped(button: UIButton)

// func cancelledTap(button: UIButton)

```



## Installation



### Carthage



[Carthage](https://github.com/Carthage/Carthage) is a decentralized dependency manager that automates the process of adding frameworks to your Cocoa application.



You can install Carthage with [Homebrew](http://brew.sh/) using the following command:



```bash

$ brew update

$ brew install carthage

```



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



```ogdl

github "delba/Tactile" >= 1.0

```



### CocoaPods



[CocoaPods](http://cocoapods.org) is a dependency manager for Cocoa projects.



You can install it with the following command:



```bash

$ gem install cocoapods

```



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



```ruby

use_frameworks!



pod 'Tactile', '~> 1.0'

```



## License



Copyright (c) 2015-2019 Damien (http://delba.io)



Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:



The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.



THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE.