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Elon Musk Threatens to Impregnate Taylor Swift

The culture is finally making it OK for men to confess how her music really makes them feel.

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603 votes, 51 comments. 2.3M subscribers in the TaylorSwift community. A subreddit for everything related to Taylor Swift

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Jimmy Kimmel roasts Travis Kelce as billionaire Taylor Swift's 'broke...

Swift

swift

Optionals in Swift are one of the language's most convenient and powerful tools, allowing you to handle missing values safely and prevent crashes. Using Optionals is an essential part of iOS development, especially when dealing with data from users or external sources. In this article, we’ll dive into both basic and advanced methods for working with Optionals, showing how to use them in real-world scenarios to improve code reliability. What Are Optionals and Why Do We Need Them? Optionals in Swift allow a variable to hold a value or be empty (nil). This is particularly useful when data comes from unstable sources, like user input, databases, or servers, where data presence isn’t always guaranteed. Key Benefits of Optionals: Safety: Missing data doesn’t lead to app crashes.


Clarity: Using ? indicates that a value may be absent. Simple Example: var userName: String? = "Alice"
userName = nil  // Now the variable can have no value In this example, userName can either be a string or nil. If the value is missing, Swift allows you to handle it smoothly, making the app more resilient. Working with Optionals in Swift Method

When to Use

Example Code



Forced Unwrapping

If you’re sure the value isn’t nil.

let unwrappedName = userName!



Optional Binding (if let)

For safely unwrapping and handling missing data.

if let unwrappedName = userName { ... } else { print("No name provided") }



guard let

Checks value and exits function if data is nil.

guard let unwrappedName = userName else { return }



Nil-Coalescing (??)

To set a default value if the variable is nil.

let providedName = userName ?? "Unknown"



Optional Chaining

For safe access to nested values.

let userNameLength = user?.profile?.name?.count Example 1(Simple): Forced Unwrapping Forced unwrapping is used when you’re certain the value won’t be nil. This method can cause a crash if the variable is empty, so it’s best avoided unless you’re confident in the value’s presence. let unwrappedName = userName!
print("User Name: \(unwrappedName)") Forced unwrapping is useful when data is hard-coded or validated by logic. Optional Binding (if let): Safely Extracting Values Optional Binding with if let checks for the presence of a value and only uses it if it exists, avoiding errors. if let unwrappedName = userName {
    print("User Name: \(unwrappedName)")
} else {
    print("No name provided")
} This method is particularly handy when working with data from the network or databases, where information may be missing, such as when loading a user profile from an API. Nil-Coalescing (??): A Default Value for Empty Variables The Nil-Coalescing operator (??) assigns a default value if the variable is nil, making code simpler and more readable. let providedName = userName ?? "Guest"
print("User Name: \(providedName)") Nil-Coalescing is useful when you want to avoid empty values and need a standard default. Example 2 (Advanced): Error Control and Protection Let’s move on to advanced examples that demonstrate how Optionals help manage nested data and protect against unpredictable errors. guard let: Reliable Value Checking guard let checks the value and exits the function if the data is nil, which is useful for mandatory data. func greetUser(_ name: String?) {
    guard let unwrappedName = name else {
        print("No name provided")
        return
    }
    print("Hello, \(unwrappedName)!")
} In real work, guard let is convenient for mandatory data checks, like validating form fields. If the value is empty, you can immediately exit the function. Optional Chaining: Safe Access to Nested Values Optional Chaining (?.) allows you to access nested data without the risk of a crash. If any object in the chain is nil, the entire result will be nil. let userNameLength = user?.profile?.name?.count Optional Chaining is particularly useful when working with JSON data and complex structures. For example, if you’re loading a user profile from an API, Optional Chaining simplifies checking each field. Practical Applications of Optionals in iOS Projects Example 1: Retrieving User Profile Data from an API API responses may contain empty fields, and Optionals help handle these situations gracefully without causing crashes. struct UserProfile {
    var name: String?
    var age: Int?
}

func displayUserProfile(user: UserProfile) {
    let displayName = user.name ?? "Guest"
    print("User Profile: \(displayName)")
} Here, if the user’s name isn’t specified, a default value—“Guest”—will be used. Example 2: Registration Form Validation Optionals and guard let allow for proper handling of required and optional form fields. For example, checking if an email address is provided during registration. struct RegistrationForm {
    var username: String
    var email: String?
}

func registerUser(with form: RegistrationForm) {
    guard let email = form.email else {
        print("Email not provided")
        return
    }
    print("Registering user with email \(email)")
} Conclusion: Why Optionals Are Essential for Professionals Optionals are a critical part of writing reliable code in Swift. Using Optional Binding, guard let, Nil-Coalescing, and Optional Chaining shows a commitment to building robust and secure applications. In my iOS development experience, I consistently use these techniques to write resilient code that withstands unpredictable conditions and missing data. Optionals in Swift are one of the language's most convenient and powerful tools, allowing you to handle missing values safely and prevent crashes. Using Optionals is an essential part of iOS development, especially when dealing with data from users or external sources. In this article, we’ll dive into both basic and advanced methods for working with Optionals, showing how to use them in real-world scenarios to improve code reliability. What Are Optionals and Why Do We Need Them? What Are Optionals and Why Do We Need Them? Optionals in Swift allow a variable to hold a value or be empty (nil). This is particularly useful when data comes from unstable sources, like user input, databases, or servers, where data presence isn’t always guaranteed. Key Benefits of Optionals: Safety: Missing data doesn’t lead to app crashes. Clarity: Using ? indicates that a value may be absent. Safety: Missing data doesn’t lead to app crashes. Safety: Missing data doesn’t lead to app crashes. Safety: Clarity: Using ? indicates that a value may be absent. Clarity: Using ? indicates that a value may be absent. Clarity: ? Simple Example: Simple Example: var userName: String? = "Alice"
userName = nil  // Now the variable can have no value var userName: String? = "Alice"
userName = nil  // Now the variable can have no value In this example, userName can either be a string or nil. If the value is missing, Swift allows you to handle it smoothly, making the app more resilient. userName Working with Optionals in Swift Working with Optionals in Swift Method

When to Use

Example Code



Forced Unwrapping

If you’re sure the value isn’t nil.

let unwrappedName = userName!



Optional Binding (if let)

For safely unwrapping and handling missing data.

if let unwrappedName = userName { ... } else { print("No name provided") }



guard let

Checks value and exits function if data is nil.

guard let unwrappedName = userName else { return }



Nil-Coalescing (??)

To set a default value if the variable is nil.

let providedName = userName ?? "Unknown"



Optional Chaining

For safe access to nested values.

let userNameLength = user?.profile?.name?.count Method

When to Use

Example Code Forced Unwrapping

If you’re sure the value isn’t nil.

let unwrappedName = userName! Optional Binding (if let)

For safely unwrapping and handling missing data.

if let unwrappedName = userName { ... } else { print("No name provided") } guard let

Checks value and exits function if data is nil.

guard let unwrappedName = userName else { return } Nil-Coalescing (??)

To set a default value if the variable is nil.

let providedName = userName ?? "Unknown" Optional Chaining

For safe access to nested values.

let userNameLength = user?.profile?.name?.count Method When to Use Example Code Method Method When to Use When to Use Example Code Example Code Forced Unwrapping If you’re sure the value isn’t nil. let unwrappedName = userName! Forced Unwrapping Forced Unwrapping Forced Unwrapping If you’re sure the value isn’t nil. If you’re sure the value isn’t nil. If you’re sure the value isn’t nil. let unwrappedName = userName! let unwrappedName = userName! let unwrappedName = userName! Optional Binding (if let) For safely unwrapping and handling missing data. if let unwrappedName = userName { ... } else { print("No name provided") } Optional Binding (if let) Optional Binding (if let) Optional Binding (if let) For safely unwrapping and handling missing data. For safely unwrapping and handling missing data. For safely unwrapping and handling missing data. if let unwrappedName = userName { ... } else { print("No name provided") } if let unwrappedName = userName { ... } else { print("No name provided") } if let unwrappedName = userName { ... } else { print("No name provided") } guard let Checks value and exits function if data is nil. guard let unwrappedName = userName else { return } guard let guard let guard let Checks value and exits function if data is nil. Checks value and exits function if data is nil. Checks value and exits function if data is nil. guard let unwrappedName = userName else { return } guard let unwrappedName = userName else { return } guard let unwrappedName = userName else { return } Nil-Coalescing (??) To set a default value if the variable is nil. let providedName = userName ?? "Unknown" Nil-Coalescing (??) Nil-Coalescing (??) Nil-Coalescing (??) To set a default value if the variable is nil. To set a default value if the variable is nil. To set a default value if the variable is nil. let providedName = userName ?? "Unknown" let providedName = userName ?? "Unknown" let providedName = userName ?? "Unknown" Optional Chaining For safe access to nested values. let userNameLength = user?.profile?.name?.count Optional Chaining Optional Chaining Optional Chaining For safe access to nested values. For safe access to nested values. For safe access to nested values. let userNameLength = user?.profile?.name?.count let userNameLength = user?.profile?.name?.count let userNameLength = user?.profile?.name?.count Example 1(Simple): Forced Unwrapping Forced unwrapping is used when you’re certain the value won’t be nil. This method can cause a crash if the variable is empty, so it’s best avoided unless you’re confident in the value’s presence. let unwrappedName = userName!
print("User Name: \(unwrappedName)") let unwrappedName = userName!
print("User Name: \(unwrappedName)") Forced unwrapping is useful when data is hard-coded or validated by logic. Optional Binding (if let): Safely Extracting Values Optional Binding with if let checks for the presence of a value and only uses it if it exists, avoiding errors. if let if let unwrappedName = userName {
    print("User Name: \(unwrappedName)")
} else {
    print("No name provided")
} if let unwrappedName = userName {
    print("User Name: \(unwrappedName)")
} else {
    print("No name provided")
} This method is particularly handy when working with data from the network or databases, where information may be missing, such as when loading a user profile from an API. Nil-Coalescing (??): A Default Value for Empty Variables The Nil-Coalescing operator ( ?? ) assigns a default value if the variable is nil, making code simpler and more readable. ?? let providedName = userName ?? "Guest"
print("User Name: \(providedName)") let providedName = userName ?? "Guest"
print("User Name: \(providedName)") Nil-Coalescing is useful when you want to avoid empty values and need a standard default. Example 2 (Advanced): Error Control and Protection Let’s move on to advanced examples that demonstrate how Optionals help manage nested data and protect against unpredictable errors. guard let: Reliable Value Checking guard let: Reliable Value Checking guard let checks the value and exits the function if the data is nil, which is useful for mandatory data. guard let func greetUser(_ name: String?) {
    guard let unwrappedName = name else {
        print("No name provided")
        return
    }
    print("Hello, \(unwrappedName)!")
} func greetUser(_ name: String?) {
    guard let unwrappedName = name else {
        print("No name provided")
        return
    }
    print("Hello, \(unwrappedName)!")
} In real work, guard let is convenient for mandatory data checks, like validating form fields. If the value is empty, you can immediately exit the function. guard let Optional Chaining: Safe Access to Nested Values Optional Chaining ( ?. ) allows you to access nested data without the risk of a crash. If any object in the chain is nil, the entire result will be nil. ?. let userNameLength = user?.profile?.name?.count let userNameLength = user?.profile?.name?.count Optional Chaining is particularly useful when working with JSON data and complex structures. For example, if you’re loading a user profile from an API, Optional Chaining simplifies checking each field. Practical Applications of Optionals in iOS Projects Example 1: Retrieving User Profile Data from an API API responses may contain empty fields, and Optionals help handle these situations gracefully without causing crashes. struct UserProfile {
    var name: String?
    var age: Int?
}

func displayUserProfile(user: UserProfile) {
    let displayName = user.name ?? "Guest"
    print("User Profile: \(displayName)")
} struct UserProfile {
    var name: String?
    var age: Int?
}

func displayUserProfile(user: UserProfile) {
    let displayName = user.name ?? "Guest"
    print("User Profile: \(displayName)")
} Here, if the user’s name isn’t specified, a default value—“Guest”—will be used. Example 2: Registration Form Validation Optionals and guard let allow for proper handling of required and optional form fields. For example, checking if an email address is provided during registration. guard let struct RegistrationForm {
    var username: String
    var email: String?
}

func registerUser(with form: RegistrationForm) {
    guard let email = form.email else {
        print("Email not provided")
        return
    }
    print("Registering user with email \(email)")
} struct RegistrationForm {
    var username: String
    var email: String?
}

func registerUser(with form: RegistrationForm) {
    guard let email = form.email else {
        print("Email not provided")
        return
    }
    print("Registering user with email \(email)")
} Conclusion: Why Optionals Are Essential for Professionals Optionals are a critical part of writing reliable code in Swift. Using Optional Binding, guard let , Nil-Coalescing, and Optional Chaining shows a commitment to building robust and secure applications. In my iOS development experience, I consistently use these techniques to write resilient code that withstands unpredictable conditions and missing data. guard let

Building Resilient iOS Apps: A Guide to Swift Optionals

This article outlines how to transition from singletons to dependency injection in a SwiftUI app with minimal effort. If you're here, you likely already know that you should avoid singletons with various of reasons like: Hidden Dependencies: Classes rely on singletons without explicit indicators, making it harder to track app dependencies and leading to unintended coupling.
Circular Dependencies: Singletons depending on each other can create cycles, leading to initialization deadlocks as instances wait for each other.
Testing Challenges: Using singletons complicates testing and SwiftUI previews since singletons can't easily be swapped for mocks. Lack of Flexibility: Singletons make it difficult to provide different implementations for different environments (e.g., live vs. mock versions for testing). And many others. Dependency Injection To overcome most issues we can use Dependency injection (DI). Using it, swapping in a new implementation becomes much easier, as components don’t rely on a single shared instance but on protocols that can be implemented in different ways. This promotes flexibility, easier testing, and adaptability as app requirements evolve. Constructor Injection Constructor injection is a straightforward technique for injecting dependencies by passing them through initializers. While effective, it often increases the size and complexity of initializers. A common challenge with constructor injection is passing dependencies through a deep UI hierarchy. If a dependency is only needed on a specific screen but must be passed down through multiple intermediary screens, this can quickly become cumbersome. One way to handle this is by using the Coordinator pattern, which centralizes navigation and manages dependencies more efficiently. Check out this article to learn how to make it. Why Not Use @EnvironmentObject? While @EnvironmentObject simplifies dependency sharing in SwiftUI, it has limitations: It only works with ObservableObject
It doesn’t allow using protocols for implementation switching.
It only works in SwiftUI views hierarchy
It only checks for service existence when accessed, increasing the risk of unintentional omissions in views. Dependency injection with property wrappers This is similar to the @EnvironmentObject solution where the dependency management happens inside of property wrappers, but without drawbacks. DependencyContainer This small library contains only a couple files, can be copied directly into your project or integrated via SPM. Please, make sure you put a star on it if you like it. Here is the link on GitHub. Let’s create an example of the service we need to pass as a dependency. As we are assuming that we are going to make a mock for testing, we need to implement our service as a protocol. Also we make it as ObservableObject, to review additional features of the framework. import Combine

protocol DataRepository: Actor, ObservableObject {
 
 func fetchData() async throws
}

actor DataRepositoryImp: DataRepository {
 
 func fetchData() async throws {
 // do real stuff
 }
}

actor DataRepositoryMock: DataRepository {
 
 func fetchData() async throws {
 // do mocked stuff
 }
} Defining a DI container Once integrated, you’ll set up a DI container to manage your services. Each service requires a unique key. You have no limitations in creating keys with the same service type. import DependencyContainer

extension DI {
 static let data = Key<any DataRepository>()
} Next let’s create a function for registering service in DI Container. extension DI.Container {
 
 static func setup() {
 register(DI.data, DataRepositoryImp())
 }
} Then, call this function at app startup. @main
struct ExampleApp: App {
 
 @MainActor final class AppState: ObservableObject {
 
 init() {
 DI.Container.setup()
 }
 }
 @StateObject var state = AppState()
 
 var body: some Scene {
 WindowGroup {
 MainView()
 }
 }
} Injecting Dependencies The actual injection is done with several property wrappers. The most common one is @DI.Static. You just need to pass a key we defined earlier. struct MainView: View {
 
 @DI.Static(DI.data) var data
 
 var body: some View {
 Color.clear.task {
 try? await data.fetchData()
 }
 }
} The points we need to make attention to: No Need to Specify Type. As you may have noticed we don’t need to write a type here, because Swift gets the type from the key.
It’s very convenient in case you start with a concrete type for your service and later decide to use a protocol to enable mocking. You only need to update the type in the key definition. This change propagates automatically without requiring updates to any code referencing that service. Dependency Existence Checked on Initialization. The property wrapper checks that the service exists when initialized. This helps prevent accidental circular dependencies, where services might try to reference each other. The framework enforces a clear initialization order, encouraging thoughtful dependency management and avoiding deadlocks. Additional property wrappers: @DI.Observed Use this in SwiftUI views when your service is ObservableObject. Views will be updated when the service is changed. struct MainView: View {
 
 //updates the view when data is posting objectWillChange
 @DI.Observed(DI.data) var data
 
 var body: some View {
 Color.clear.task {
 try? await data.fetchData()
 }
 }
} @DI.RePublished Should be used in ObservableObject. If your service is ObservableObject, the update will be republished further by the owner of the property wrapper. struct MainView: View {
 
 final class State: ObservableObject {
 
 // Republishes the data.objectWillChange to the State.objectWillChange
 // The view will be updated
 @DI.RePublished(DI.data) var data
 }
 
 @StateObject var state = State()
 
 var body: some View {
 Color.clear.task {
 try? await data.fetchData()
 }
 }
} In addition, if you have nested services you can use a key path in property wrappers. In this case the observing logic uses the service referenced by a keypath. @DI.Static(DI.data, \.innerService) var innerService

@DI.Observed(DI.data, \.innerService) var innerService

@DI.RePublished(DI.data, \.innerService) var innerService Mocking To swap out implementations for testing or previews, you have two options: Initialize with mocked dependency
MainView(data: .init(value: DataRepositoryMock())) Replace service with mock in DI Container
DI.Container.register(DI.data, DataRepositoryMock())
 
MainView() Conclusion This guide provides a straightforward approach to adopting DI using a DependencyContainer framework and moving away from singletons, enhancing flexibility, modularity, and testability in your iOS apps. This article outlines how to transition from singletons to dependency injection in a SwiftUI app with minimal effort. singletons dependency injection minimal If you're here, you likely already know that you should avoid singletons with various of reasons like: reasons Hidden Dependencies: Classes rely on singletons without explicit indicators, making it harder to track app dependencies and leading to unintended coupling. Circular Dependencies: Singletons depending on each other can create cycles, leading to initialization deadlocks as instances wait for each other. Testing Challenges: Using singletons complicates testing and SwiftUI previews since singletons can't easily be swapped for mocks. Hidden Dependencies: Classes rely on singletons without explicit indicators, making it harder to track app dependencies and leading to unintended coupling. Hidden Dependencies: Circular Dependencies: Singletons depending on each other can create cycles, leading to initialization deadlocks as instances wait for each other. Circular Dependencies: Testing Challenges : Using singletons complicates testing and SwiftUI previews since singletons can't easily be swapped for mocks. Testing Challenges Lack of Flexibility : Singletons make it difficult to provide different implementations for different environments (e.g., live vs. mock versions for testing). Lack of Flexibility And many others. Dependency Injection Dependency Injection To overcome most issues we can use Dependency injection (DI). Using it, swapping in a new implementation becomes much easier, as components don’t rely on a single shared instance but on protocols that can be implemented in different ways. This promotes flexibility, easier testing, and adaptability as app requirements evolve. Dependency injection protocols Constructor Injection Constructor Injection Constructor injection is a straightforward technique for injecting dependencies by passing them through initializers . While effective, it often increases the size and complexity of initializers. initializers A common challenge with constructor injection is passing dependencies through a deep UI hierarchy . If a dependency is only needed on a specific screen but must be passed down through multiple intermediary screens, this can quickly become cumbersome. deep UI hierarchy One way to handle this is by using the Coordinator pattern, which centralizes navigation and manages dependencies more efficiently. Check out this article to learn how to make it. Coordinator this article this article this article Why Not Use @EnvironmentObject ? Why Not Use @EnvironmentObject ? While @EnvironmentObject simplifies dependency sharing in SwiftUI, it has limitations : @EnvironmentObject limitations It only works with ObservableObject It doesn’t allow using protocols for implementation switching. It only works in SwiftUI views hierarchy It only checks for service existence when accessed, increasing the risk of unintentional omissions in views. It only works with ObservableObject ObservableObject It doesn’t allow using protocols for implementation switching. protocols It only works in SwiftUI views hierarchy views It only checks for service existence when accessed, increasing the risk of unintentional omissions in views. existence Dependency injection with property wrappers Dependency injection with property wrappers This is similar to the @EnvironmentObject solution where the dependency management happens inside of property wrappers , but without drawbacks. @EnvironmentObject property wrappers DependencyContainer DependencyContainer This small library contains only a couple files , can be copied directly into your project or integrated via SPM . couple files SPM Please, make sure you put a star on it if you like it. star Here is the link on GitHub . link on GitHub link on GitHub link on GitHub link on GitHub Let’s create an example of the service we need to pass as a dependency. As we are assuming that we are going to make a mock for testing, we need to implement our service as a protocol. Also we make it as ObservableObject , to review additional features of the framework. ObservableObject import Combine

protocol DataRepository: Actor, ObservableObject {
 
 func fetchData() async throws
}

actor DataRepositoryImp: DataRepository {
 
 func fetchData() async throws {
 // do real stuff
 }
}

actor DataRepositoryMock: DataRepository {
 
 func fetchData() async throws {
 // do mocked stuff
 }
} import Combine

protocol DataRepository: Actor, ObservableObject {
 
 func fetchData() async throws
}

actor DataRepositoryImp: DataRepository {
 
 func fetchData() async throws {
 // do real stuff
 }
}

actor DataRepositoryMock: DataRepository {
 
 func fetchData() async throws {
 // do mocked stuff
 }
} Defining a DI container Defining a DI container Once integrated, you’ll set up a DI container to manage your services. Each service requires a unique key. You have no limitations in creating keys with the same service type . DI container unique key. service type import DependencyContainer

extension DI {
 static let data = Key<any DataRepository>()
} import DependencyContainer

extension DI {
 static let data = Key<any DataRepository>()
} Next let’s create a function for registering service in DI Container. function extension DI.Container {
 
 static func setup() {
 register(DI.data, DataRepositoryImp())
 }
} extension DI.Container {
 
 static func setup() {
 register(DI.data, DataRepositoryImp())
 }
} Then, call this function at app startup . app startup @main
struct ExampleApp: App {
 
 @MainActor final class AppState: ObservableObject {
 
 init() {
 DI.Container.setup()
 }
 }
 @StateObject var state = AppState()
 
 var body: some Scene {
 WindowGroup {
 MainView()
 }
 }
} @main
struct ExampleApp: App {
 
 @MainActor final class AppState: ObservableObject {
 
 init() {
 DI.Container.setup()
 }
 }
 @StateObject var state = AppState()
 
 var body: some Scene {
 WindowGroup {
 MainView()
 }
 }
} Injecting Dependencies Injecting Dependencies The actual injection is done with several property wrappers. The most common one is @DI.Static . You just need to pass a key we defined earlier. injection common @DI.Static key struct MainView: View {
 
 @DI.Static(DI.data) var data
 
 var body: some View {
 Color.clear.task {
 try? await data.fetchData()
 }
 }
} struct MainView: View {
 
 @DI.Static(DI.data) var data
 
 var body: some View {
 Color.clear.task {
 try? await data.fetchData()
 }
 }
} The points we need to make attention to: attention No Need to Specify Type. As you may have noticed we don’t need to write a type here, because Swift gets the type from the key.
It’s very convenient in case you start with a concrete type for your service and later decide to use a protocol to enable mocking. You only need to update the type in the key definition. This change propagates automatically without requiring updates to any code referencing that service. No Need to Specify Type. As you may have noticed we don’t need to write a type here, because Swift gets the type from the key. It’s very convenient in case you start with a concrete type for your service and later decide to use a protocol to enable mocking. You only need to update the type in the key definition. This change propagates automatically without requiring updates to any code referencing that service. No Need to Specify Type. As you may have noticed we don’t need to write a type here, because Swift gets the type from the key. No Need to Specify Type. type It’s very convenient in case you start with a concrete type for your service and later decide to use a protocol to enable mocking. You only need to update the type in the key definition. This change propagates automatically without requiring updates to any code referencing that service. concrete type protocol Dependency Existence Checked on Initialization. The property wrapper checks that the service exists when initialized. This helps prevent accidental circular dependencies, where services might try to reference each other. The framework enforces a clear initialization order, encouraging thoughtful dependency management and avoiding deadlocks. Dependency Existence Checked on Initialization. The property wrapper checks that the service exists when initialized . This helps prevent accidental circular dependencies, where services might try to reference each other. The framework enforces a clear initialization order, encouraging thoughtful dependency management and avoiding deadlocks . Dependency Existence Checked on Initialization. initialized deadlocks Additional property wrappers: @DI.Observed Use this in SwiftUI views when your service is ObservableObject . Views will be updated when the service is changed. @DI.Observed ObservableObject struct MainView: View {
 
 //updates the view when data is posting objectWillChange
 @DI.Observed(DI.data) var data
 
 var body: some View {
 Color.clear.task {
 try? await data.fetchData()
 }
 }
} struct MainView: View {
 
 //updates the view when data is posting objectWillChange
 @DI.Observed(DI.data) var data
 
 var body: some View {
 Color.clear.task {
 try? await data.fetchData()
 }
 }
} @DI.RePublished Should be used in ObservableObject . If your service is ObservableObject , the update will be republished further by the owner of the property wrapper. @DI.RePublished ObservableObject ObservableObject struct MainView: View {
 
 final class State: ObservableObject {
 
 // Republishes the data.objectWillChange to the State.objectWillChange
 // The view will be updated
 @DI.RePublished(DI.data) var data
 }
 
 @StateObject var state = State()
 
 var body: some View {
 Color.clear.task {
 try? await data.fetchData()
 }
 }
} struct MainView: View {
 
 final class State: ObservableObject {
 
 // Republishes the data.objectWillChange to the State.objectWillChange
 // The view will be updated
 @DI.RePublished(DI.data) var data
 }
 
 @StateObject var state = State()
 
 var body: some View {
 Color.clear.task {
 try? await data.fetchData()
 }
 }
} In addition, if you have nested services you can use a key path in property wrappers. In this case the observing logic uses the service referenced by a keypath. key path observing logic @DI.Static(DI.data, \.innerService) var innerService

@DI.Observed(DI.data, \.innerService) var innerService

@DI.RePublished(DI.data, \.innerService) var innerService @DI.Static(DI.data, \.innerService) var innerService

@DI.Observed(DI.data, \.innerService) var innerService

@DI.RePublished(DI.data, \.innerService) var innerService Mocking Mocking To swap out implementations for testing or previews, you have two options: Initialize with mocked dependency
MainView(data: .init(value: DataRepositoryMock())) Initialize with mocked dependency MainView(data: .init(value: DataRepositoryMock())) Initialize with mocked dependency MainView(data: .init(value: DataRepositoryMock())) MainView(data: .init(value: DataRepositoryMock())) Replace service with mock in DI Container
DI.Container.register(DI.data, DataRepositoryMock())
 
MainView() Replace service with mock in DI Container DI.Container.register(DI.data, DataRepositoryMock())
 
MainView() Replace service with mock in DI Container DI.Container.register(DI.data, DataRepositoryMock())
 
MainView() DI.Container.register(DI.data, DataRepositoryMock())
 
MainView() Conclusion Conclusion This guide provides a straightforward approach to adopting DI using a DependencyContainer framework and moving away from singletons, enhancing flexibility, modularity, and testability in your iOS apps. DependencyContainer DependencyContainer DependencyContainer DependencyContainer

How to Stop Making Singletons in Swift: A Dependency Injection Guide

5 Useful Property Wrappers in Swift

In modern applications, data security is a top priority, especially when sensitive information may be copied or transferred to external applications. By preventing certain actions like "cut," "copy," and "paste" on text fields within iOS apps, we can safeguard text data, ensuring it remains within a trusted group of applications. This article demonstrates how to achieve this protection using Swift, while maintaining full control over text-related operations. Goals of This Approach Restrict External Text Sharing: By managing text actions, we can prevent unauthorized access to sensitive information.
Safe Text Storage and Management: Creating an internal buffer ensures that sensitive text remains protected within the app.
Controlled Clipboard Access: By limiting access to the system clipboard, we can ensure that only authorized applications within a defined group can access this information. Implementation Overview Our approach centers around the TextActionInterceptor class, which "swizzles" standard text-related methods, replacing them with secure alternatives. This class intercepts and overrides the "copy," "paste," and "cut" methods, with an option to enable or disable swizzling dynamically. Core Components Enum for Text Actions: The TextAction enumeration defines all the actions related to text that we want to control.
Saved Method Structure: The SavedTextAction struct stores original implementations of methods, allowing us to restore them as needed.
Swizzling Methods: The toggleSwizzling method manages the swizzling state, enabling or disabling the replacement of standard implementations. Code Example Let’s go through key code segments that bring this functionality to life. class TextActionInterceptor {

    enum TextAction: String {
        case cut
        case copy
        case paste
        case define
        case translate
        case modify
        case update
        case previewItem
    }

    struct SavedTextAction {
        var methodRef: Method
        var originalImplementation: IMP
        var selector: Selector
    }

    private var isSwizzled = false
    var savedActions: [TextAction: SavedTextAction] = [:]
    
    // Method to intercept the "copy" action
    func interceptCopy(_ sender: Any?) {
        guard
            let inputField = retrieveTextInput(sender),
            let range = inputField.selectedTextRange,
            let text = inputField.text(in: range)
        else { return }

        SecureClipboard.shared.contents = text
    }

    // Similar methods for "cut" and "paste"
    func interceptPaste(_ sender: Any?) {
        guard
            let inputField = retrieveTextInput(sender),
            let range = inputField.selectedTextRange,
            let text = SecureClipboard.shared.contents
        else { return }

        inputField.replace(range, withText: text)
    }

    func interceptCut(_ sender: Any?) {
        guard
            let inputField = retrieveTextInput(sender),
            let range = inputField.selectedTextRange,
            let cutText = inputField.text(in: range)
        else { return }

        SecureClipboard.shared.contents = cutText
        inputField.replace(range, withText: "")
    }
    
    // Method to enable or disable swizzling
    func toggleSwizzling(_ enable: Bool) {
        guard enable != isSwizzled else { return }
        isSwizzled = enable
        savedActions.forEach { (_, action) in
            let swizzledMethod = class_getInstanceMethod(
                object_getClass(self),
                action.selector
            )
            guard enable else {
                method_setImplementation(action.methodRef, action.originalImplementation)
                return
            }
            method_exchangeImplementations(action.methodRef, swizzledMethod!)
        }
    }
} Implementing a Secure Clipboard The SecureClipboard class is responsible for managing text stored in the clipboard. It blocks any attempt to share text data externally, ensuring it stays within the app's defined ecosystem. final class SecureClipboard {

    static let restrictedTextPlaceholder = "Access Restricted"
    static var shared = SecureClipboard()
    private let placeholderItem: [String: String]
    private var clipboard: UIPasteboard
    private(set) var internalBuffer: String?

    init() {
        placeholderItem = ["public.utf8-plain-text": SecureClipboard.restrictedTextPlaceholder]
        clipboard = UIPasteboard.general
    }

    var contents: String? {
        get {
            guard
                let clipboardText = clipboard.string,
                clipboardText != SecureClipboard.restrictedTextPlaceholder
            else { return internalBuffer }
            return clipboardText
        }
        set {
            guard let newText = newValue else {
                internalBuffer = nil
                return
            }
            clipboard.items = [placeholderItem]
            internalBuffer = newText.isEmpty ? nil : newText
        }
    }
} How This Works Swizzling of Methods: We replace the standard text action methods with customized, secure methods.
Secure Copying: The interceptCopy method intercepts "copy" actions and transfers the text to the SecureClipboard instead of the system clipboard.
Flexible Management: Swizzling can be dynamically enabled or disabled, allowing for adaptable data security. Summary and Results Applying this approach achieves multiple levels of data security: Access Control: All text operations are managed within the application, preventing potential data leaks.


Safe Data Storage: Text data is accessible only within a controlled application group.


Flexible configuration: The ability to enable and disable swizzling allows flexible control of data security based on conditions. By using swizzling and an internal clipboard, we ensure a high level of data protection in iOS applications. This approach offers a robust solution for maintaining text security across applications in a defined environment. In modern applications, data security is a top priority, especially when sensitive information may be copied or transferred to external applications. By preventing certain actions like "cut," "copy," and "paste" on text fields within iOS apps, we can safeguard text data, ensuring it remains within a trusted group of applications. This article demonstrates how to achieve this protection using Swift, while maintaining full control over text-related operations. Goals of This Approach Restrict External Text Sharing: By managing text actions, we can prevent unauthorized access to sensitive information. Safe Text Storage and Management: Creating an internal buffer ensures that sensitive text remains protected within the app. Controlled Clipboard Access: By limiting access to the system clipboard, we can ensure that only authorized applications within a defined group can access this information. Restrict External Text Sharing : By managing text actions, we can prevent unauthorized access to sensitive information. Restrict External Text Sharing Safe Text Storage and Management : Creating an internal buffer ensures that sensitive text remains protected within the app. Safe Text Storage and Management Controlled Clipboard Access : By limiting access to the system clipboard, we can ensure that only authorized applications within a defined group can access this information. Controlled Clipboard Access Implementation Overview Our approach centers around the TextActionInterceptor class, which "swizzles" standard text-related methods, replacing them with secure alternatives. This class intercepts and overrides the "copy," "paste," and "cut" methods, with an option to enable or disable swizzling dynamically. Core Components Enum for Text Actions: The TextAction enumeration defines all the actions related to text that we want to control. Saved Method Structure: The SavedTextAction struct stores original implementations of methods, allowing us to restore them as needed. Swizzling Methods: The toggleSwizzling method manages the swizzling state, enabling or disabling the replacement of standard implementations. Enum for Text Actions: The TextAction enumeration defines all the actions related to text that we want to control. Enum for Text Actions: The TextAction enumeration defines all the actions related to text that we want to control. Saved Method Structure: The SavedTextAction struct stores original implementations of methods, allowing us to restore them as needed. Saved Method Structure: The SavedTextAction struct stores original implementations of methods, allowing us to restore them as needed. Swizzling Methods: The toggleSwizzling method manages the swizzling state, enabling or disabling the replacement of standard implementations. Swizzling Methods: The toggleSwizzling method manages the swizzling state, enabling or disabling the replacement of standard implementations. Code Example Let’s go through key code segments that bring this functionality to life. class TextActionInterceptor {

    enum TextAction: String {
        case cut
        case copy
        case paste
        case define
        case translate
        case modify
        case update
        case previewItem
    }

    struct SavedTextAction {
        var methodRef: Method
        var originalImplementation: IMP
        var selector: Selector
    }

    private var isSwizzled = false
    var savedActions: [TextAction: SavedTextAction] = [:]
    
    // Method to intercept the "copy" action
    func interceptCopy(_ sender: Any?) {
        guard
            let inputField = retrieveTextInput(sender),
            let range = inputField.selectedTextRange,
            let text = inputField.text(in: range)
        else { return }

        SecureClipboard.shared.contents = text
    }

    // Similar methods for "cut" and "paste"
    func interceptPaste(_ sender: Any?) {
        guard
            let inputField = retrieveTextInput(sender),
            let range = inputField.selectedTextRange,
            let text = SecureClipboard.shared.contents
        else { return }

        inputField.replace(range, withText: text)
    }

    func interceptCut(_ sender: Any?) {
        guard
            let inputField = retrieveTextInput(sender),
            let range = inputField.selectedTextRange,
            let cutText = inputField.text(in: range)
        else { return }

        SecureClipboard.shared.contents = cutText
        inputField.replace(range, withText: "")
    }
    
    // Method to enable or disable swizzling
    func toggleSwizzling(_ enable: Bool) {
        guard enable != isSwizzled else { return }
        isSwizzled = enable
        savedActions.forEach { (_, action) in
            let swizzledMethod = class_getInstanceMethod(
                object_getClass(self),
                action.selector
            )
            guard enable else {
                method_setImplementation(action.methodRef, action.originalImplementation)
                return
            }
            method_exchangeImplementations(action.methodRef, swizzledMethod!)
        }
    }
} class TextActionInterceptor {

    enum TextAction: String {
        case cut
        case copy
        case paste
        case define
        case translate
        case modify
        case update
        case previewItem
    }

    struct SavedTextAction {
        var methodRef: Method
        var originalImplementation: IMP
        var selector: Selector
    }

    private var isSwizzled = false
    var savedActions: [TextAction: SavedTextAction] = [:]
    
    // Method to intercept the "copy" action
    func interceptCopy(_ sender: Any?) {
        guard
            let inputField = retrieveTextInput(sender),
            let range = inputField.selectedTextRange,
            let text = inputField.text(in: range)
        else { return }

        SecureClipboard.shared.contents = text
    }

    // Similar methods for "cut" and "paste"
    func interceptPaste(_ sender: Any?) {
        guard
            let inputField = retrieveTextInput(sender),
            let range = inputField.selectedTextRange,
            let text = SecureClipboard.shared.contents
        else { return }

        inputField.replace(range, withText: text)
    }

    func interceptCut(_ sender: Any?) {
        guard
            let inputField = retrieveTextInput(sender),
            let range = inputField.selectedTextRange,
            let cutText = inputField.text(in: range)
        else { return }

        SecureClipboard.shared.contents = cutText
        inputField.replace(range, withText: "")
    }
    
    // Method to enable or disable swizzling
    func toggleSwizzling(_ enable: Bool) {
        guard enable != isSwizzled else { return }
        isSwizzled = enable
        savedActions.forEach { (_, action) in
            let swizzledMethod = class_getInstanceMethod(
                object_getClass(self),
                action.selector
            )
            guard enable else {
                method_setImplementation(action.methodRef, action.originalImplementation)
                return
            }
            method_exchangeImplementations(action.methodRef, swizzledMethod!)
        }
    }
} Implementing a Secure Clipboard The SecureClipboard class is responsible for managing text stored in the clipboard. It blocks any attempt to share text data externally, ensuring it stays within the app's defined ecosystem. final class SecureClipboard {

    static let restrictedTextPlaceholder = "Access Restricted"
    static var shared = SecureClipboard()
    private let placeholderItem: [String: String]
    private var clipboard: UIPasteboard
    private(set) var internalBuffer: String?

    init() {
        placeholderItem = ["public.utf8-plain-text": SecureClipboard.restrictedTextPlaceholder]
        clipboard = UIPasteboard.general
    }

    var contents: String? {
        get {
            guard
                let clipboardText = clipboard.string,
                clipboardText != SecureClipboard.restrictedTextPlaceholder
            else { return internalBuffer }
            return clipboardText
        }
        set {
            guard let newText = newValue else {
                internalBuffer = nil
                return
            }
            clipboard.items = [placeholderItem]
            internalBuffer = newText.isEmpty ? nil : newText
        }
    }
} final class SecureClipboard {

    static let restrictedTextPlaceholder = "Access Restricted"
    static var shared = SecureClipboard()
    private let placeholderItem: [String: String]
    private var clipboard: UIPasteboard
    private(set) var internalBuffer: String?

    init() {
        placeholderItem = ["public.utf8-plain-text": SecureClipboard.restrictedTextPlaceholder]
        clipboard = UIPasteboard.general
    }

    var contents: String? {
        get {
            guard
                let clipboardText = clipboard.string,
                clipboardText != SecureClipboard.restrictedTextPlaceholder
            else { return internalBuffer }
            return clipboardText
        }
        set {
            guard let newText = newValue else {
                internalBuffer = nil
                return
            }
            clipboard.items = [placeholderItem]
            internalBuffer = newText.isEmpty ? nil : newText
        }
    }
} How This Works Swizzling of Methods: We replace the standard text action methods with customized, secure methods. Secure Copying: The interceptCopy method intercepts "copy" actions and transfers the text to the SecureClipboard instead of the system clipboard. Flexible Management: Swizzling can be dynamically enabled or disabled, allowing for adaptable data security. Swizzling of Methods : We replace the standard text action methods with customized, secure methods. Swizzling of Methods Secure Copying: The interceptCopy method intercepts "copy" actions and transfers the text to the SecureClipboard instead of the system clipboard. Secure Copying: The interceptCopy method intercepts "copy" actions and transfers the text to the SecureClipboard instead of the system clipboard. Flexible Management : Swizzling can be dynamically enabled or disabled, allowing for adaptable data security. Flexible Management Summary and Results Applying this approach achieves multiple levels of data security: Access Control: All text operations are managed within the application, preventing potential data leaks. Safe Data Storage: Text data is accessible only within a controlled application group. Flexible configuration: The ability to enable and disable swizzling allows flexible control of data security based on conditions. Access Control: All text operations are managed within the application, preventing potential data leaks. Access Control : All text operations are managed within the application, preventing potential data leaks. Access Control Safe Data Storage: Text data is accessible only within a controlled application group. Safe Data Storage : Text data is accessible only within a controlled application group. Safe Data Storage Flexible configuration: The ability to enable and disable swizzling allows flexible control of data security based on conditions. Flexible configuration : The ability to enable and disable swizzling allows flexible control of data security based on conditions. Flexible configuration By using swizzling and an internal clipboard, we ensure a high level of data protection in iOS applications. This approach offers a robust solution for maintaining text security across applications in a defined environment.

Securing Text Fields in iOS Apps: Restricting 'Cut,' 'Copy,' and 'Paste' Operations Using Swift

ARKit & LiDAR: Building Point Clouds in Swift (part 2)

ARKit & LiDAR: Building Point Clouds in Swift (part 1)

Day 8: Level Up with a Custom Tab Bar! In the eighth post of the #30DaysOfSwift series, let's make a Custom Tab Bar with animations and icons. Standard tab bars are fine, but a custom one adds that extra touch! Here’s how to implement a custom tab bar with SwiftUI: Steps to Create a Custom Tab Bar: 1. Set Up the Tab Bar Structure: import SwiftUI

struct CustomTabBarView: View {
 @State private var selectedTab = 0
 let tabBarItems = ["house.fill", "magnifyingglass", "person.fill"]

 var body: some View {
 VStack {
 Spacer()

 // Main Content
 TabView(selection: $selectedTab) {
 HomeView().tag(0)
 SearchView().tag(1)
 ProfileView().tag(2)
 }

 // Custom Tab Bar
 HStack {
 ForEach(0..<tabBarItems.count, id: \.self) { index in
 Spacer()

 Button(action: {
 withAnimation(.spring()) {
 selectedTab = index
 }
 }) {
 VStack {
 Image(systemName: tabBarItems[index])
 .font(.system(size: 24))
 .foregroundColor(selectedTab == index ? .blue : .gray)
 .scaleEffect(selectedTab == index ? 1.2 : 1.0) // Add animation for scaling

 Text(tabName(for: index))
 .font(.caption)
 .foregroundColor(selectedTab == index ? .blue : .gray)
 }
 .padding(.vertical, 10)
 }

 Spacer()
 }
 }
 .padding(.bottom, 20)
 .background(Color.white.shadow(radius: 10))
 }
 }

 func tabName(for index: Int) -> String {
 switch index {
 case 0: return "Home"
 case 1: return "Search"
 case 2: return "Profile"
 default: return ""
 }
 }
}

struct HomeView: View {
 var body: some View {
 Text("Home Screen")
 .font(.largeTitle)
 .foregroundColor(.blue)
 }
}

struct SearchView: View {
 var body: some View {
 Text("Search Screen")
 .font(.largeTitle)
 .foregroundColor(.green)
 }
}

struct ProfileView: View {
 var body: some View {
 Text("Profile Screen")
 .font(.largeTitle)
 .foregroundColor(.purple)
 }
} Happy Coding! Day 8: Level Up with a Custom Tab Bar! Day 8: Level Up with a Custom Tab Bar! In the eighth post of the #30DaysOfSwift series, let's make a Custom Tab Bar with animations and icons. Standard tab bars are fine, but a custom one adds that extra touch! Here’s how to implement a custom tab bar with SwiftUI: Steps to Create a Custom Tab Bar: 1. Set Up the Tab Bar Structure: import SwiftUI

struct CustomTabBarView: View {
 @State private var selectedTab = 0
 let tabBarItems = ["house.fill", "magnifyingglass", "person.fill"]

 var body: some View {
 VStack {
 Spacer()

 // Main Content
 TabView(selection: $selectedTab) {
 HomeView().tag(0)
 SearchView().tag(1)
 ProfileView().tag(2)
 }

 // Custom Tab Bar
 HStack {
 ForEach(0..<tabBarItems.count, id: \.self) { index in
 Spacer()

 Button(action: {
 withAnimation(.spring()) {
 selectedTab = index
 }
 }) {
 VStack {
 Image(systemName: tabBarItems[index])
 .font(.system(size: 24))
 .foregroundColor(selectedTab == index ? .blue : .gray)
 .scaleEffect(selectedTab == index ? 1.2 : 1.0) // Add animation for scaling

 Text(tabName(for: index))
 .font(.caption)
 .foregroundColor(selectedTab == index ? .blue : .gray)
 }
 .padding(.vertical, 10)
 }

 Spacer()
 }
 }
 .padding(.bottom, 20)
 .background(Color.white.shadow(radius: 10))
 }
 }

 func tabName(for index: Int) -> String {
 switch index {
 case 0: return "Home"
 case 1: return "Search"
 case 2: return "Profile"
 default: return ""
 }
 }
}

struct HomeView: View {
 var body: some View {
 Text("Home Screen")
 .font(.largeTitle)
 .foregroundColor(.blue)
 }
}

struct SearchView: View {
 var body: some View {
 Text("Search Screen")
 .font(.largeTitle)
 .foregroundColor(.green)
 }
}

struct ProfileView: View {
 var body: some View {
 Text("Profile Screen")
 .font(.largeTitle)
 .foregroundColor(.purple)
 }
} import SwiftUI

struct CustomTabBarView: View {
 @State private var selectedTab = 0
 let tabBarItems = ["house.fill", "magnifyingglass", "person.fill"]

 var body: some View {
 VStack {
 Spacer()

 // Main Content
 TabView(selection: $selectedTab) {
 HomeView().tag(0)
 SearchView().tag(1)
 ProfileView().tag(2)
 }

 // Custom Tab Bar
 HStack {
 ForEach(0..<tabBarItems.count, id: \.self) { index in
 Spacer()

 Button(action: {
 withAnimation(.spring()) {
 selectedTab = index
 }
 }) {
 VStack {
 Image(systemName: tabBarItems[index])
 .font(.system(size: 24))
 .foregroundColor(selectedTab == index ? .blue : .gray)
 .scaleEffect(selectedTab == index ? 1.2 : 1.0) // Add animation for scaling

 Text(tabName(for: index))
 .font(.caption)
 .foregroundColor(selectedTab == index ? .blue : .gray)
 }
 .padding(.vertical, 10)
 }

 Spacer()
 }
 }
 .padding(.bottom, 20)
 .background(Color.white.shadow(radius: 10))
 }
 }

 func tabName(for index: Int) -> String {
 switch index {
 case 0: return "Home"
 case 1: return "Search"
 case 2: return "Profile"
 default: return ""
 }
 }
}

struct HomeView: View {
 var body: some View {
 Text("Home Screen")
 .font(.largeTitle)
 .foregroundColor(.blue)
 }
}

struct SearchView: View {
 var body: some View {
 Text("Search Screen")
 .font(.largeTitle)
 .foregroundColor(.green)
 }
}

struct ProfileView: View {
 var body: some View {
 Text("Profile Screen")
 .font(.largeTitle)
 .foregroundColor(.purple)
 }
} Happy Coding! Happy Coding!

Custom Tab Bar in iOS 18: 30 Days of Swift

Day 5: First Impressions Matter! 🚀 In the fifth post of the #30DaysOfSwift series, we’ll focus on creating a Launch Screen for your app. This is the screen users see first when your app is loading, and it's a great way to introduce your app’s brand. Why Use a SplashScreen? It’s the first thing users see when they open your app. A launch screen makes the app feel more responsive during the loading process. Here’s how you can quickly add a launch screen using LaunchScreen.storyboard in Xcode: Steps to Add a Launch Screen: 1. Create a New Storyboard File: Right-click on your project, and select New File.
Choose Storyboard, and name it LaunchScreen.storyboard. 2. Design the Launch Screen: Open LaunchScreen.storyboard.
Drag in UI elements like an image or label that represents your app's logo or name.
Make sure to keep the design simple and aligned with your brand. 3. Set the Launch Screen in Xcode: In the Project Navigator, go to the root of your project.
Under the General tab, scroll to the App Icons and Launch Images section.
In the Launch Screen File field, type LaunchScreen (or select it from the dropdown). 4. Test Your Launch Screen: Run your app on a simulator or device, and you’ll see the launch screen appear before transitioning to your app’s main view. How does it look? Let me know :) Happy Coding! Day 5: First Impressions Matter! 🚀 Day 5: First Impressions Matter! In the fifth post of the #30DaysOfSwift series, we’ll focus on creating a Launch Screen for your app. This is the screen users see first when your app is loading, and it's a great way to introduce your app’s brand. Why Use a SplashScreen? It’s the first thing users see when they open your app. A launch screen makes the app feel more responsive during the loading process. Here’s how you can quickly add a launch screen using LaunchScreen.storyboard in Xcode: Steps to Add a Launch Screen: 1. Create a New Storyboard File: 1. Create a New Storyboard File: Right-click on your project, and select New File. Choose Storyboard, and name it LaunchScreen.storyboard. Right-click on your project, and select New File. Choose Storyboard, and name it LaunchScreen.storyboard. 2. Design the Launch Screen: 2. Design the Launch Screen: Open LaunchScreen.storyboard. Drag in UI elements like an image or label that represents your app's logo or name. Make sure to keep the design simple and aligned with your brand. Open LaunchScreen.storyboard. Drag in UI elements like an image or label that represents your app's logo or name. Make sure to keep the design simple and aligned with your brand. 3. Set the Launch Screen in Xcode: 3. Set the Launch Screen in Xcode: In the Project Navigator, go to the root of your project. Under the General tab, scroll to the App Icons and Launch Images section. In the Launch Screen File field, type LaunchScreen (or select it from the dropdown). In the Project Navigator, go to the root of your project. Under the General tab, scroll to the App Icons and Launch Images section . General App Icons and Launch Images section In the Launch Screen File field, type LaunchScreen (or select it from the dropdown). Launch Screen 4. Test Your Launch Screen: 4. Test Your Launch Screen: Run your app on a simulator or device, and you’ll see the launch screen appear before transitioning to your app’s main view. Run your app on a simulator or device, and you’ll see the launch screen appear before transitioning to your app’s main view. How does it look? Let me know :) Happy Coding!

Stories, News & Mentions about SWIFT

Swift’s Stories on HackerNoon

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