项目结构目录规划。

src/HelloShop.HybridApp/Platforms/Android/MainActivity.cs

@@ -0,0 +1,11 @@
+using Android.App;
+using Android.Content.PM;
+using Android.OS;
+
+namespace HelloShop.HybridApp
+{
+    [Activity(Theme = "@style/Maui.SplashTheme", MainLauncher = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation | ConfigChanges.UiMode | ConfigChanges.ScreenLayout | ConfigChanges.SmallestScreenSize | ConfigChanges.Density)]
+    public class MainActivity : MauiAppCompatActivity
+    {
+    }
+}