{"id":2252,"date":"2017-08-13T12:22:02","date_gmt":"2017-08-13T11:22:02","guid":{"rendered":"https:\/\/denbeke.be\/blog\/?p=2252"},"modified":"2019-05-18T21:51:58","modified_gmt":"2019-05-18T20:51:58","slug":"go-mobile-example-running-caddy-ios","status":"publish","type":"post","link":"https:\/\/denbeke.be\/blog\/programming\/go-mobile-example-running-caddy-ios\/","title":{"rendered":"Go mobile example: running Caddy on iOS"},"content":{"rendered":"

I while ago I did a small experiment to run Caddy<\/a> on my iPhone. I currently have no time to do something with it, and actually build a useful Caddy iOS app, but I wanted to do a quick writeup about how you can achieve this. So others can maybe do something with Caddy on iOS, because compiling a Go project for iOS is really easy!<\/p>\n

Installing Go Mobile<\/h3>\n

You first need to install Xcode and the Xcode command line tools.
\nThen you can simply install Go Mobile with the following commands:<\/p>\n

$ go get golang.org\/x\/mobile\/cmd\/gomobile\r\n$ gomobile init # it might take a few minutes<\/code><\/pre>\n
More information can be found in the official docs<\/a>.<\/p>\n
Building an iOS framework bundle from Caddy<\/h3>\n
Now you have to create a framework bundle of the Caddy project, which you can then use in your iOS application:<\/p>\n
$ gomobile bind -target=ios github.com\/mholt\/caddy\/caddy\/caddymain<\/code><\/pre>\n
This will generate a framework called Caddymain.framework<\/code>.<\/p>\n
Building an iOS app with the framework<\/h3>\n
Now you can just drag and drop the compiled framework bundle to the Xcode project of the iOS app.
\nCheck “Copy items if needed” if you want to include a copy of the framework bundle within the Xcode repo. Otherwise, modifying the Go package source code and rerunning gomobile bind ...<\/code> will update the Caddymain.framework<\/code> in the app.<\/p>\n
\"\"<\/p>\n
If everything went well, your Xcode project overview will look like this:<\/p>\n
\"\"<\/p>\n
Once this is done, you can import the Caddymain<\/code> framework in your Swift files and call the functions from the Caddy package and use them to start Caddy.<\/p>\n
I put everything in my ViewController<\/code>:<\/p>\n
import UIKit\r\nimport Caddymain\r\n\r\nclass ViewController: UIViewController {\r\n\r\n    override func viewDidLoad() {\r\n        super.viewDidLoad()\r\n        \/\/ Do any additional setup after loading the view, typically from a nib.\r\n\r\n        \/\/ Don't forget to compile with ENABLE_BITCODE = 'No'\r\n        \/\/ Startup Caddy...\r\n        CaddymainRun()\r\n\r\n    }\r\n\r\n    override func didReceiveMemoryWarning() {\r\n        super.didReceiveMemoryWarning()\r\n        \/\/ Dispose of any resources that can be recreated.\r\n    }\r\n\r\n\r\n}<\/code><\/pre>\n
Now you can hit run<\/code>, and you’ll be running Caddy on your iPhone!<\/p>\n
\"\"<\/p>\n
Note: since Go mobile doesn’t compile frameworks with bitcode enabled, you have to turn bitcode off in the project settings in Xcode: Go to the Build Settings tab. Type bitcode in the search field and change the Enable Bitcode<\/em> setting to No<\/em>.<\/p>\n
Conclusion<\/h3>\n
Running Go code on an iOS device is easy!
\nSo don’t hesitate to do some useful stuff with it yourself!<\/p>\n","protected":false},"excerpt":{"rendered":"
I while ago I did a small experiment to run Caddy on my iPhone. I currently have no time to do something with it, and actually build a useful Caddy iOS app, but I wanted to do a quick writeup about how you can achieve this. So others can maybe do something with Caddy on […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[235],"tags":[260,231,232,129,186,257,258],"yoast_head":"\nGo mobile example: running Caddy on iOS – DenBeke<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/denbeke.be\/blog\/programming\/go-mobile-example-running-caddy-ios\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Go mobile example: running Caddy on iOS – DenBeke\" \/>\n<meta property=\"og:description\" content=\"I while ago I did a small experiment to run Caddy on my iPhone. 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