MessageListener 1.0.0

Maintained by Tangent.

You want to add pod 'MessageListener', '~> 1.0' similar to the following to your Podfile:

target 'MyApp' do
  pod 'MessageListener', '~> 1.0'
end

Then run a pod install inside your terminal, or from CocoaPods.app.

Alternatively to give it a test run, run the command:

pod try MessageListener

MessageListener 1.0.0

By
TangentW

A tool for monitoring objc message calls.

Installation

Manually

Download the source code.
Drag files NSObject+Listener.h and NSObject+Listener.m into your project.

Usage

Use method listen.

For normal method

Objc

[self listen: @selector(touchesBegan:withEvent:) with:^(NSArray * _Nonnull parameters) {
	NSLog(@"Touches began");
}];

Swift

listen(#selector(ViewController.touchesBegan(_:with:))) { _ in
	print("Touches began")
}

For protocol method

Objc

[self listen: @selector(tableView:didSelectRowAtIndexPath:) in:@protocol(UITableViewDelegate) with:^(NSArray * _Nonnull parameters) {
	if (parameters.count != 2) return;
	NSIndexPath *indexPath = parameters[1];
	NSLog(@"Did selected row %ld", (long)indexPath.row);
}];

Swift

listen(#selector(UITableViewDelegate.scrollViewDidScroll(_:)), in: UITableViewDelegate.self).subscribe(next: { parameters in
	guard let tableView = parameters.first as? UITableView else { return }
		print(tableView.contentOffset.y)
})
_tableView.delegate = self

License

The MIT License (MIT)