marinehero / Siren

Notify users when a new version of your iOS app is available, and prompt them with the App Store link. Siren is a Swift port of the Objective-C 'Harpy' project.

Home Page:http://www.sabintsev.com

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Siren

Notify users when a new version of your app is available, and prompt them with the App Store link.


About

Siren checks a user's currently installed version of your iOS app against the version that is currently available in the App Store.

If a new version is available, an alert can be presented to the user informing them of the newer version, and giving them the option to update the application. Alternatively, Siren can notify your app programmatically, enabling you to inform the user through alternative means, such as a custom interface.

  • Siren is built to work with the Semantic Versioning system.
    • Semantic Versioning is a three number versioning system (e.g., 1.0.0)
    • Siren also supports two-number versioning (e.g., 1.0)
    • Siren also supports four-number versioning (e.g., 1.0.0.0)
  • Siren is a Swift language port of Harpy, an Objective-C library that achieves the same functionality.
  • Siren is actively maintained by Arthur Sabintsev and Aaron Brager.

Changelog (v0.4.2)

  • Added Arabic localization

Features

  • CocoaPods Support
  • Support for UIAlertController (iOS 8+) and UIAlertView (iOS 7)
  • Localized for 20+ languages (See Localization Section)
  • Three types of alerts (see Screenshots & Alert Types)
  • Optional delegate methods (see Optional Delegate section)

Installation Instructions

CocoaPods Installation

pod 'Siren'
  • Add import Siren to any .Swift file that references Siren via a CocoaPods installation.

  • Requires CocoaPods 0.36 prerelease or later

  • Only for apps with a minimum deployment target of iOS 8.0 or later

    CocoaPods does not support pods written in Swift on iOS 7. For more information, please see this issue.

If your app needs to support iOS 7, use Manual Installation.

Manual Installation

  1. Download Siren.
  2. Copy the Siren folder into your project.

Setup Instructions

Here's some commented sample code. Adapt this to meet your app's needs.

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool 
{
	/* Siren code should go below window?.makeKeyAndVisible() */
	
	// Siren is a singleton
	let siren = Siren.sharedInstance
	
	// Required: Your app's iTunes App Store ID
	siren.appID = <#Your_App_ID#>
	
	// Optional: Defaults to .Option
	siren.alertType = <#SirenAlertType_Enum_Value#>
	
	/*
	    Replace .Immediately with .Daily or .Weekly to specify a maximum daily or weekly frequency for version
	    checks.
	*/
    siren.checkVersion(.Immediately)
}

func applicationDidBecomeActive(application: UIApplication) 
{
	/*
	    Perform daily (.Daily) or weekly (.Weekly) checks for new version of your app. 
	    Useful if user returns to your app from the background after extended period of time.
    	 Place in applicationDidBecomeActive(_:).	*/
    	 
    Siren.sharedInstance.checkVersion(.Daily)
}

func applicationWillEnterForeground(application: UIApplication) 
{
   /*
	    Useful if user returns to your app from the background after being sent to the
	    App Store, but doesn't update their app before coming back to your app.
	    
       ONLY USE WITH SirenAlertType.Force
   */

    Siren.sharedInstance.checkVersion(.Immediately)
}

And you're all set!

Screenshots & Alert Types

Siren can force an update, let the user optionally update, and allow the user to skip an update.

To control this behavior, assign a SirenAlertType to alertType (or one of the specific alert type properties).

siren.alertType = .Force

Forces the user to update.

Forced Update

siren.alertType = .Option

The default behavior.

Optional Update

siren.alertType = .Skip

Allows the user to opt out of future reminders for this version.

Skip Update

siren.alertType = .None

This option doesn't show an alert view. It's useful for skipping Revision, Patch, Minor, or Major updates, or for presenting your own UI.

Prompting for Updates without Alerts

Some developers may want to display a less obtrusive custom interface, like a banner or small icon. To accomplish this, you can disable alert presentation by doing the following:

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool 
{
	...
	siren.delegate = self
	siren.alertType = .None
	...
}

extension AppDelegate: SirenDelegate
{
	// Returns a localized message to this delegate method upon performing a successful version check
    func sirenDidDetectNewVersionWithoutAlert(message: String) {
        println("\(message)")
    }
}

Siren will call the sirenDidDetectNewVersionWithoutAlert(message: String) delegate method, passing a localized, suggested update string suitable for display. Implement this method to display your own messaging, optionally using message.

Differentiated Alerts for Revision, Patch, Minor, and Major Updates

If you would like to set a different type of alert for revision, patch, minor, and/or major updates, simply add one or all of the following optional lines to your setup before calling the checkVersion() method:

	/* Siren defaults to SirenAlertType.Option for all updates */
	siren.sharedInstance().revisionUpdateAlertType = <#SirenAlertType_Enum_Value#>
	siren.sharedInstance().patchUpdateAlertType = <#SirenAlertType_Enum_Value#>
	siren.sharedInstance().minorUpdateAlertType = <#SirenAlertType_Enum_Value#>
	siren.sharedInstance().majorUpdateAlertType = <#SirenAlertType_Enum_Value#>

Optional Delegate and Delegate Methods

Five delegate methods allow you to handle or track the user's behavior:

@objc protocol SirenDelegate {
    optional func sirenDidShowUpdateDialog() // User presented with update dialog
    optional func sirenUserDidLaunchAppStore() // User did click on button that launched App Store.app
    optional func sirenUserDidSkipVersion() // User did click on button that skips version update
    optional func sirenUserDidCancel()  // User did click on button that cancels update dialog
    optional func sirenDidDetectNewVersionWithoutAlert(message: String) // Siren performed version check and did not display alert
}

Force Localization

Harpy is localized for Arabic, Basque, Chinese (Simplified), Chinese (Traditional), Danish, Dutch, English, French, German, Hebrew, Italian, Japanese, Korean, Lithuanian, Polish, Portuguese (Brazil), Portuguese (Portugal), Russian, Slovenian, Swedish, Spanish, and Turkish.

You may want the update dialog to always appear in a certain language, ignoring iOS's language setting (e.g. apps released in a specific country).

You can enable it like this:

Siren.sharedInstance.forceLanguageLocalization = SirenLanguageType.<#SirenLanguageType_Enum_Value#>

Testing Siren

Temporarily change the version string in Xcode (within the .xcodeproj) to an older version than the one that's currently available in the App Store. Afterwards, build and run your app, and you should see the alert.

If you currently don't have an app in the store, use the AppID for the iTunes Connect App (376771144), or any other app, and temporarily change the version string in .xcodeproj to an older version than the one that's currently available in the App Store.

For your convenience, you may turn on printn() debugging statements by setting self.debugEnabled = true before calling the checkVersion() method.

App Store Submissions

The App Store reviewer will not see the alert. The version in the App Store will always be older than the version being reviewed.

Created and maintained by

Arthur Ariel Sabintsev & Aaron Brager

About

Notify users when a new version of your iOS app is available, and prompt them with the App Store link. Siren is a Swift port of the Objective-C 'Harpy' project.

http://www.sabintsev.com

License:MIT License


Languages

Language:Swift 95.0%Language:Ruby 5.0%