scrumdinger | Scrumdinger app using Composable Architecture | Frontend Framework library
kandi X-RAY | scrumdinger Summary
kandi X-RAY | scrumdinger Summary
This repo contains Scrumdinger app from Apple's tutorial, rewritten in uni-directional architecture Composable Architecture.
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scrumdinger Examples and Code Snippets
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QUESTION
I'm just getting started learning SwiftUI, following Apple's tutorial for building an iOS app at this link. I started with the skeleton app provided and have followed along in the latest Xcode, step by step. Instead of seeing what I am supposed to see, the CardView
displays only a blank white rectangle.
Apple provided a fully built project, which works just fine. I've compared the code I built from the skeleton project to the code that comes with the completed project, and they appear identical. Yet my home-built copy of the project simply does not fill in any details in CardView
. No color, text, nor icons, just a blank white rectangle. Other than simply comparing the code to the canned example, I have utterly no idea how to debug this. Any suggestions are welcome.
Here's the code of CardView.swift:
ANSWER
Answered 2021-Jul-16 at 21:57scrum.color.accessibleFontColor
applied to theforegroundColor
of the card. So all labels and images and texts and etc. will be affected.accessibleFontColor
seems to return eitherblack
orwhite
according to the parent color (scrum.color
in this case)seems
Color("Design")
that you are passing for the preview is returningclear
color because there is no color with the nameDesign
in assets in the starting project. So the preview shows the default white color as the card background. But it also uses thewhite
color for the foreground. So you see a solid white card in the result.
Comment out the
.foregroundColor(scrum.color.accessibleFontColor)
Or add an assets color and name it as expected.
Or give the card a manual background
Or download the completed version and reverse the process to the point that you are at.
QUESTION
I'm just starting to learn SwiftUI, so I decided to work thru Apple's tutorial, using the latest Xcode (12.5). One line of code immediately got me a semantic error: "Value of type 'Color' has no member 'accessibleFontColor'"
Here's the entire source module:
ANSWER
Answered 2021-Jun-04 at 20:06There's a file that you're probably missing in the sample project called Color+Codable.swift
that defines some extensions on Color
. One is accessibleFontColor
:
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