I want to change the value with a slider control. slider(value: $value) ... ... ... value = 1 Can't change slider value when debugging. slider value want to change and I want to change it by user's operation. how to do?

at iOS. In Swift,I'm thinking of launching an app using a URL scheme UIApplicatio.shared.open(URL(string:"AppURLSchemeName")) I get a Error. Error: Domain = NSOSStatusErrorDomain Code = -50 "invalid input parameters" UserInfo=`{NSDebugDescription = invalid input parameters,_LSLine =249, _LSDLine = 249, __LSFunction = _LSDOpenClient openURL:filehandle:options: completionHandler } the environment is macOS Ventura 13.0 XCode vertion 14.0.1 iPhone 13 mini iOS 16.1 what's the issue

I need to use UnsafeMutablePointer <> to use a third party API. I'm using swift to create an iOS app. I use after declare, I was told that initialization was needed. after initialize, i Get a Error "Editor placeholder in source file". How should I initialize it? Below is a code. var value : UnsafeMutablePointer value.initalize(from; UnsafePointer , count: NumberOfArray)　　// I get an error hear.