Add a simple screen SwiftUI template.

2026-04-20 16:42:44 +02:00 · 2022-01-25 16:43:10 +00:00
parent 6b6a58cc4a
commit 93e3c3637f
12 changed files with 529 additions and 1 deletions
@@ -0,0 +1,111 @@
+// 
+// Copyright 2021 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import SwiftUI
+
+@available(iOS 14.0, *)
+struct TemplateSimpleScreen: View {
+
+    // MARK: - Properties
+    
+    // MARK: Private
+    
+    @Environment(\.theme) private var theme
+    @Environment(\.horizontalSizeClass) private var horizontalSizeClass
+    
+    private var horizontalPadding: CGFloat {
+        horizontalSizeClass == .regular ? 50 : 16
+    }
+    
+    // MARK: Public
+    
+    @ObservedObject var viewModel: TemplateSimpleScreenViewModel.Context
+    
+    /// The main content of the view to be shown in a scroll view.
+    var mainContent: some View {
+        VStack(spacing: 36) {
+            Text(viewModel.viewState.promptType.title)
+                .font(theme.fonts.title1B)
+                .foregroundColor(theme.colors.primaryContent)
+                .accessibilityIdentifier("title")
+            
+            Image(systemName: viewModel.viewState.promptType.imageName)
+                .resizable()
+                .scaledToFit()
+                .frame(width:100)
+                .foregroundColor(theme.colors.accent)
+            
+            HStack{
+                Text("Counter: \(viewModel.viewState.count)")
+                    .foregroundColor(theme.colors.primaryContent)
+                
+                Button("-") {
+                    viewModel.send(viewAction: .decrementCount)
+                }
+                
+                Button("+") {
+                    viewModel.send(viewAction: .incrementCount)
+                }
+            }
+            .font(theme.fonts.title3)
+        }
+    }
+    
+    /// The action buttons shown at the bottom of the view.
+    var buttons: some View {
+        VStack {
+            Button { viewModel.send(viewAction: .accept) } label: {
+                Text("Accept")
+                    .font(theme.fonts.bodySB)
+            }
+            .buttonStyle(PrimaryActionButtonStyle())
+            
+            Button { viewModel.send(viewAction: .cancel) } label: {
+                Text("Cancel")
+                    .font(theme.fonts.body)
+                    .padding(.vertical, 12)
+            }
+        }
+    }
+    
+    var body: some View {
+        GeometryReader { geometry in
+            VStack {
+                ScrollView(showsIndicators: false) {
+                    mainContent
+                        .padding(.top, 50)
+                        .padding(.horizontal, horizontalPadding)
+                }
+                
+                buttons
+                    .padding(.horizontal, horizontalPadding)
+                    .padding(.bottom, geometry.safeAreaInsets.bottom > 0 ? 0 : 16)
+            }
+        }
+        .background(theme.colors.background.ignoresSafeArea())
+        .accentColor(theme.colors.accent)
+    }
+}
+
+// MARK: - Previews
+
+@available(iOS 14.0, *)
+struct TemplateSimpleScreen_Previews: PreviewProvider {
+    static let stateRenderer = MockTemplateSimpleScreenScreenState.stateRenderer
+    static var previews: some View {
+        stateRenderer.screenGroup()
+    }
+}