BigBrother

by marcelofabri

marcelofabri / BigBrother

Automatically sets the network activity indicator for any performed request.

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BigBrother

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BIG BROTHER IS WATCHING YOU.

BigBrother is a Swift library made for iOS that automatically watches for any performed request and sets the network activity indicator.

This is mostly a proof of concept, having several limitations because of how

NSURLProtocol
works. Some of them are:
  • NSURLProtocol
    doesn't inherit
    NSURLSession
    's configured headers (see https://github.com/Alamofire/Alamofire/issues/473)
  • NSURLProtocol
    isn't compatible with authentication APIs (see https://github.com/marcelofabri/BigBrother/issues/2)

It was inspired by this comment by Mattt Thompson.

It also was based on this tutorial for creating an

NSURLProtocol
and on
AFNetworkActivityIndicatorManager
from AFNetworking.

Usage

Adding

Adding to
NSURLConnection
and
NSURLSession.sharedSession()

BigBrother.addToSharedSession()

Adding to a custom
NSURLSessionConfiguration

var configuration = NSURLSessionConfiguration.defaultSessionConfiguration()

BigBrother.addToSessionConfiguration(configuration)

let session = NSURLSession(configuration: configuration)

Removing

Removing from
NSURLConnection
and
NSURLSession.sharedSession()

BigBrother.removeFromSharedSession()

Removing from a custom
NSURLSessionConfiguration

var configuration = NSURLSessionConfiguration.defaultSessionConfiguration()

BigBrother.removeFromSessionConfiguration(configuration)

let newSession = NSURLSession(configuration: configuration)

REMINDER

It is important to configure your NSURLSessionConfiguration object appropriately before using it to initialize a session object. Session objects make a copy of the configuration settings you provide and use those settings to configure the session. Once configured, the session object ignores any changes you make to the NSURLSessionConfiguration object. If you need to modify your transfer policies, you must update the session configuration object and use it to create a new NSURLSession object.

Advanced usage

BigBrother.URLProtocol
is an
NSURLProtocol
subclass that manages the network activity indicator and it's public if you want to add it yourself to an
NSURLSessionConfiguration
or to the default
NSURLProtocol
(used by
NSURLConnection
and
NSURLSession.sharedSession()
).

BigBrother.Manager
is also public, so you can manage the network activity indicator directly:
BigBrother.Manager.sharedInstance.incrementActivityCount()

// do something...

BigBrother.Manager.sharedInstance.decrementActivityCount()

Installation

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

pod 'BigBrother'

Then run

pod install
with CocoaPods 0.36 or newer.

Unit Tests

Unit testing is done with

XCTest
and the tests are available under the BigBrotherTests folder.

Collaborating

  • If you found a bug, open an issue.
  • If you have a feature request, open an issue.
  • If you want to contribute, submit a pull request. They're more than welcome!

Contact

Marcelo Fabri

License

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

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