swiftui

import SwiftUI

struct ContentView: View {
    @State private var username = ""
    @State private var isLoggedIn = false
    @StateObject private var viewModel = LoginViewModel()

import SwiftUI

struct CardModifier: ViewModifier {
    var backgroundColor: Color = .white
    var cornerRadius: CGFloat = 12
    var shadowRadius: CGFloat = 5

import SwiftUI

enum Route: Hashable {
    case postDetail(id: Int)
    case userProfile(id: Int)
    case settings

import SwiftUI

// MARK: - Semantic Colors in SwiftUI
struct AdaptiveColorsView: View {
    var body: some View {
        VStack(spacing: 20) {

import SwiftUI

struct PostsView: View {
    @StateObject private var viewModel = PostsViewModel()

    var body: some View {

import UIKit

class ImageCache {
    static let shared = ImageCache()

    private let cache = NSCache<NSString, UIImage>()

import SwiftUI

// MARK: - Size Preference
struct SizePreferenceKey: PreferenceKey {
    static var defaultValue: CGSize = .zero

import SwiftUI

struct PostsListView: View {
    @StateObject private var viewModel = PostsListViewModel()

    var body: some View {

import SwiftUI

// MARK: - State and Binding
struct CounterView: View {
    @State private var count = 0

import SwiftUI

struct AnimationExamplesView: View {
    @State private var isExpanded = false
    @State private var rotation: Double = 0
    @State private var scale: CGFloat = 1.0

import SwiftUI

struct Triangle: Shape {
    func path(in rect: CGRect) -> Path {
        var path = Path()
        path.move(to: CGPoint(x: rect.midX, y: rect.minY))

import SwiftUI

struct ResponsiveGridView: View {
    let items: [GridItem]

    var body: some View {