A UINavigationBar extension to show loading effects

Related tags

Navigation Bar BusyNavigationBar
Overview

BusyNavigationBar

Version License Platform

A UINavigationBar extension to show loading effects above navigation bar's background.

Screenshot

Stripes

gray_stripe.gif blue_stripe2.gif

Bars

gray_bar.gif green_bar.gif

Your custom layer

gray_bird.gif

Usage

BusyNavigationBar is available through CocoaPods. To install it, simply add the following lines to your Podfile:

use_frameworks!
pod "BusyNavigationBar"

Or add the following lines to your Cartfile:

github "gmertk/BusyNavigationBar" "master"

After installation is done, you can use the new methods of your navigation bar; start(_ options: BusyNavigationBarOptions) and stop().

Properties

var options = BusyNavigationBarOptions()

/**
    Animation type

    - Stripes: Sliding stripes as seen in Periscope app.
    - Bars: Bars going up and down like a wave.
    - CustomLayer(() -> CALayer): Your layer to be inserted in navigation bar. In this case, properties other than `transparentMaskEnabled` and `alpha` will not be used. 
*/
options.animationType = .Stripes

/// Color of the shapes. Defaults to gray.
options.color = UIColor.grayColor()

/// Alpha of the animation layer. Remember that there is also an additional (constant) gradient mask over the animation layer. Defaults to 0.5.
options.alpha = 0.5

/// Width of the bar. Defaults to 20.
options.barWidth = 20

/// Gap between bars. Defaults to 30.
options.gapWidth = 30

/// Speed of the animation. 1 corresponds to 0.5 sec. Defaults to 1.
options.speed = 1

/// Flag for enabling the transparent masking layer over the animation layer.
options.transparentMaskEnabled = true


// Start animation
self.navigationController?.navigationBar.start(options)

// Stop animation
self.navigationController?.navigationBar.stop()

Author

Günay Mert Karadoğan, [email protected]

License

BusyNavigationBar is available under the MIT license. See the LICENSE file for more info.

More

There is a nice tutorial about Periscope's pull-to-refresh control by @bitwaker.

Comments
  • Back button not working when animated

    Back button not working when animated

    Hello

    First of all thanks for your library! I really like it and already used it in my application :). I found out that the back button is kind of blocked when the animation is running.

    I found out that if you want to have the UIView still beeing responsive you need to add the options UIViewAnimationOptions.AllowUserInteraction. So I changed the following code from:

    UIView.animateWithDuration(alphaAnimationDurationOfLoadingView, animations: { () -> Void in
    self.busy_loadingView!.alpha = self.busy_options.alpha
})

    To this one:

    UIView.animateWithDuration(alphaAnimationDurationOfLoadingView, delay: 0.0, options: UIViewAnimationOptions.AllowUserInteraction, animations: { () -> Void in
    self.busy_loadingView!.alpha = self.busy_options.alpha
}) { (finished) -> Void in
    // Finished..
}

    But unfortunately the back button is still no responsive during animation..

    Tested with IOS 8.4 Xcode 6.4 (iPhone Simulator)

    opened by prine 5
  • Fix the Xcode project

    Fix the Xcode project

    Xcode shows the Swift 3 conversion dialog, although the code has been converted. This fixes the Swift version in the project and sets the provisioning settings to Automatic.

    Also, the (empty) tests haven't been converted to Swift 3.

    opened by bojan 1
  • Instead of using a UIView directly use a CALayer for the animation

    Instead of using a UIView directly use a CALayer for the animation

    This solves the issue that the back button wasn't pressable. I also adapted the Storyboard and added a button to directly test the Push feature in the Example.

    opened by prine 1
  • Better Installation Section

    Better Installation Section

    Hey, your library is really interesting.

    I created this iOS Open source Readme Template so you can take a look on how to easily make your Installation Section better If you want, I can help you to organize the lib

    What are your thoughts? 😄

    opened by lfarah 0
  • Bug while PullToRefresh is active (LargeTiles: On)

    Bug while PullToRefresh is active (LargeTiles: On)

    When PullToRefresh is activated the Bars get drawn at the exact Position. But shortly after that the Navigationbar shrinks back to its minimum Size (when pulled too far). The Already started BusyNavigationBars do not shrink / move up. Instead they just stay there. Any way to get around that behavior? (Any way to wait till the navigationbar is shrinked again and then display the busybars ? idk)

    image 2018-06-26 14 26 28

    CodeBlock:

    self.navigationController?.navigationBar.start(options) UIApplication.shared.isNetworkActivityIndicatorVisible = true Utils.reloadAdminData(completion: { (result) in DispatchQueue.main.async { self.data = result self.tableView.reloadData() UIApplication.shared.isNetworkActivityIndicatorVisible = false self.navigationController?.navigationBar.stop() self.refreshControl.endRefreshing() } })

    opened by undeaDD 1
  • not able import BusyNavigationBar to user

    not able import BusyNavigationBar to user

    I cann't import the BusyNavigationBar in my swift viewController after installing it with cocoapods? Do i need to implement it using source code? Please help

    opened by ErHimanshuK 0
  • installed but not working

    installed but not working

    Hi!😊 I installed using cocoapods successfully but the compiler still tell me "navigationBar has no property...."

    I also checked Link Binary With Libraries ,the framework was added.

    Here is my Podfile, anything wrong? Thanks in advance

    source 'https://github.com/CocoaPods/Specs.git' platform :ios, '8.0' use_frameworks!

    pod 'Kingfisher', '~> 2.2' pod "BusyNavigationBar"

    opened by Textcat 3
Owner
Günay Mert Karadoğan
Günay Mert Karadoğan
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