Toppon

A lightweight Scroll-To button for iOS UIScrollView, UITabelView, UITextView. Toppon is a subclass of UIButton. Its not only a Scroll-To button but a fully customizable UIButton.

Features

• Lightweight
• Present with different animations.
• Multiple display modes.
• Set whatever positions you want.
• Customizable button icon.
• Multiple delegate methods.

Installation

CocoaPods

For Swift 4.2

pod 'Toppon'

Manual

Simply copy files in sources folder into your project.

How to use

Initial a Toppon button.

init(initPosition: CGPoint?, size: Int, normalIcon: String?)

Use properties to configure Toppoon

var destPosition: CGPoint? = CGPoint(x:0, y:0)
var presentMode: PresentMode = .always
var scollMode: ScrollMode = .top

Link Toppon to a UIScrollView or its subclass like UITableView and UITextView.

public func linkedTo(UIScrollView: UIScrollView)

Delegate methods

optional func TopponInitiated()
optional func TopponDidPressed()
optional func TopponWillPresent()
optional func TopponWillDismiss()

Present and Dismiss

Call present and dismiss methods when you need it.

public func present()
public func dismiss()

For Example

You can present and dismiss Toppon button in your ScrollViewDelegate.

if scrollview.contentOffset.y >= 30 {
  toppon.present()
} else {
  toppon.dismiss()
}

License

Toppon is released under the MIT license. See LICENSE for details.

Author

This project is still work in progress. Feel free to contact me. Benson Lin

What features are going to release.

1. Support storyboard
2. Optimize methods and animations
3. Add a Label above/under Toppon button