Add a popover playground

Author: colemancda

Demo/App.swiftpm/Sources/PopoverPlaygrounds.swift

@@ -0,0 +1,42 @@
+#if canImport(AndroidSwiftUI)
+import AndroidSwiftUI
+#else
+import SwiftUI
+#endif
+
+struct PopoverPlayground: View {
+
+    @State private var infoShown = false
+    @State private var chooserShown = false
+    @State private var picked = "nothing"
+
+    var body: some View {
+        ScrollView {
+            VStack(alignment: .leading, spacing: 0) {
+                Example("Info popover") {
+                    Button("Show details") { infoShown = true }
+                        .popover(isPresented: $infoShown) {
+                            VStack(alignment: .leading, spacing: 8) {
+                                Text("Quick details")
+                                Text("This bubble is anchored to the button.")
+                                Button("Got it") { infoShown = false }
+                            }
+                        }
+                }
+                Example("Popover that reports a choice") {
+                    VStack(alignment: .leading, spacing: 8) {
+                        Text("Picked: \(picked)")
+                        Button("Choose") { chooserShown = true }
+                            .popover(isPresented: $chooserShown) {
+                                VStack(alignment: .leading, spacing: 8) {
+                                    Button("Option A") { picked = "A"; chooserShown = false }
+                                    Button("Option B") { picked = "B"; chooserShown = false }
+                                }
+                            }
+                    }
+                }
+            }
+        }
+        .navigationTitle("Popover")
+    }
+}