#NeedOne (Page 4)

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2 hours to master RxSwift - Part 1

a simple introudction on rxswift, including what is rxswift, how to use it and a quick example (with swift code) on demo that.

14 Mar 2023 · 8 min read

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Compiler directives in Swift

This post is going to list some of the most frequently used compiler directives in Swift, compatible in Swift 3/4/5. Someone might call this preprocessor directives, but they

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9 Jan 2023 · 3 min read

Present action sheet in UIKit and SwiftUI

An action sheet is a component that displays a set of choices to the user in a modal format. UIKit In iOS, you can create an action sheet using a

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6 Jan 2023 · 1 min read

What is keyword defer in Swift

The defer keyword in Swift is used to execute a block of code at the end of the current scope, regardless of how the scope is exited. The defer block

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3 Jan 2023 · 1 min read

Command pattern in Swift

Many of us have heard about the Command pattern or used them in the development, which is a behavioral design pattern in which an object is used to encapsulate all

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31 Dec 2022 · 2 min read

Have you tried XCTUnwrap before?

What is XCTUnwrap and how to use it to help you effectively while you are doing the unit test? XCTUnwrap is a utility function that is used in unit tests

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29 Dec 2022 · 1 min read

PLIST file in iOS

A Property List (PLIST) file is a file format used by macOS and iOS to store serialized data. It is often used to store data such as user preferences, settings,

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25 Dec 2022 · 2 min read

What is YAML file and compared with JSON

YAML (YAML Ain't Markup Language) is commonly used for configuration files, but can be used in many applications where data is being stored or transmitted. A YAML file consists of

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23 Dec 2022 · 1 min read

Create Property Wrapper in Swift

What is Property Wrapper Property wrapper are a language feature that allows you to wrap a piece of code around a property in Swift world, which can help us to

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20 Dec 2022 · 1 min read

Bottom Sheet Dialog implementation in kotlin

To create a bottom sheet dialog in Kotlin, you can use the BottomSheetDialog class from the Android Support Library, which is a built-in package. Here's an example of how you

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18 Dec 2022 · 1 min read

Workplace, Project, Scheme and Target in iOS development

Many of us have seen workspace, project, target and scheme quite often while doing the iOS development, but what are they exactly and how are they related with each other?

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17 Dec 2022 · 2 min read

Equatable and Comparable in Swift

It is quite common that we are required to compare two custom objects in Swift, luckily Swift has provided some built-in protocol allows us to do this in a "swift"

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14 Dec 2022 · 2 min read

Difference between layoutIfNeeded vs. setNeedsLayout

As many of iOS developer known, layoutIfNeeded and setNeedsLayout are two methods that can be used to update the layout of a view and its subviews. But what are their

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13 Dec 2022 · 2 min read