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iZZiSwift

Learning by Sharing Swift Programing and more …

  • Swift Programming
    • Swift Language
    • i0S Swift Issue
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  • MacOS
  • Python Programming
  • Kotlin Programming
  • Memo

Author: Oceane Wilson

swift programing language

Swift: Subclassing UITextView or UICollectionView and proper initialization

January 17, 2021 Oceane Wilson

Question or problem in the Swift programming language: The problem with subclassing UITextView (and UICollectionView) is that designated constructor is “initWithFrame”. But in real life, when it loads from storyboard, initWithCoder will be called.

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Variadic Parameters v Array Parameter

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: I am struggling to see if there is an obvious advantage over which method to use when passing values into a function. My code below may not be the best example to explain the decision I’m trying to make, but it is, in my opinion, the easiest […]

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I have found four different way to change the iOS status bar in Xcode. Why are there so many and what are the differences?

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: I’ve been trying to change the color of the status bar in my Swift app, and I’ve identified four ways to do this in XCode. Yet, I have only been able to successfully use method 3:

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“contextual closure type expects 2 arguments” error when using reduce in Swift 4

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: The following code compiles in Swift 3

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Swift flatMap gives unexpected result while using with optional array

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: We have an array of the Person objects and each object has another array of String, which is optional. We want the consolidated list of car names in our society.

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The Swift Programming Language Book Chapter Section on Control Flow Experiment 3

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: I am working through the first chapter of the book and can’t figure out the experiment:

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swift programing language

ios simulator access localhost server

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: I am trying to get rest data to ios app, and i use this code:

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12 useful Terminal commands on Mac

Sharing a text file with UIActivityViewController

January 15, 2021 Oceane Wilson

Question or problem in the Swift programming language: I’m attempting to share a text file with a UIActivityViewController. I’m creating and writing to my file in my app, and then allowing the user to share this file using whatever means they would like.

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Kotlin: check “instanceof ” class in kotlin

January 14, 2021 Oceane Wilson

Question or issue of Kotlin Programming: In kotlin class, I have method parameter as object (See kotlin doc here ) for class type T. As object I am passing different classes when I am calling method. In Java we can able to compare class using instanceof of object which class it is.

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Kotlin: Android – achieve setOnClickListener in Kotlin

January 14, 2021 Oceane Wilson

Question or issue of Kotlin Programming: I wanted to know that how we set basic onClickListener in Kotlin for Android Development.

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