1 files changed, 68 insertions, 0 deletions
diff --git a/android/app/src/main/java/xyz/blueskyweb/app/MainActivity.java b/android/app/src/main/java/xyz/blueskyweb/app/MainActivity.java
new file mode 100644
index 000000000..0833f982d
--- /dev/null
+++ b/android/app/src/main/java/xyz/blueskyweb/app/MainActivity.java
@@ -0,0 +1,68 @@
+package xyz.blueskyweb.app;
+
+import android.os.Build;
+import android.os.Bundle;
+
+import com.facebook.react.ReactActivity;
+import com.facebook.react.ReactActivityDelegate;
+import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint;
+import com.facebook.react.defaults.DefaultReactActivityDelegate;
+
+import expo.modules.ReactActivityDelegateWrapper;
+
+public class MainActivity extends ReactActivity {
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    // Set the theme to AppTheme BEFORE onCreate to support 
+    // coloring the background, status bar, and navigation bar.
+    // This is required for expo-splash-screen.
+    setTheme(R.style.AppTheme);
+    super.onCreate(null);
+  }
+
+  /**
+   * Returns the name of the main component registered from JavaScript.
+   * This is used to schedule rendering of the component.
+   */
+  @Override
+  protected String getMainComponentName() {
+    return "main";
+  }
+
+  /**
+   * Returns the instance of the {@link ReactActivityDelegate}. Here we use a util class {@link
+   * DefaultReactActivityDelegate} which allows you to easily enable Fabric and Concurrent React
+   * (aka React 18) with two boolean flags.
+   */
+  @Override
+  protected ReactActivityDelegate createReactActivityDelegate() {
+    return new ReactActivityDelegateWrapper(this, BuildConfig.IS_NEW_ARCHITECTURE_ENABLED, new DefaultReactActivityDelegate(
+        this,
+        getMainComponentName(),
+        // If you opted-in for the New Architecture, we enable the Fabric Renderer.
+        DefaultNewArchitectureEntryPoint.getFabricEnabled(), // fabricEnabled
+        // If you opted-in for the New Architecture, we enable Concurrent React (i.e. React 18).
+        DefaultNewArchitectureEntryPoint.getConcurrentReactEnabled() // concurrentRootEnabled
+        ));
+  }
+
+  /**
+   * Align the back button behavior with Android S
+   * where moving root activities to background instead of finishing activities.
+   * @see <a href="https://developer.android.com/reference/android/app/Activity#onBackPressed()">onBackPressed</a>
+   */
+  @Override
+  public void invokeDefaultOnBackPressed() {
+    if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.R) {
+      if (!moveTaskToBack(false)) {
+        // For non-root activities, use the default implementation to finish them.
+        super.invokeDefaultOnBackPressed();
+      }
+      return;
+    }
+
+    // Use the default back button implementation on Android S
+    // because it's doing more than {@link Activity#moveTaskToBack} in fact.
+    super.invokeDefaultOnBackPressed();
+  }
+}