feat: add plugin withAndroidMainActivityAttributes

plugin/src/android/withAndroidMainActivityAttributes.ts

@@ -0,0 +1,71 @@
+/*!
+ * Plugin created for Expo Share Intent Demo (https://github.com/achorein/expo-share-intent-demo)
+ * author: achorein (https://github.com/achorein)
+ *
+ * inspired by: https://forums.expo.dev/t/how-to-edit-android-manifest-was-build/65663/4
+ */
+import {
+  AndroidManifest,
+  ConfigPlugin,
+  withAndroidManifest,
+} from "@expo/config-plugins";
+
+import { Parameters } from "../types";
+
+function addAttributesToMainActivity(
+  androidManifest: AndroidManifest,
+  attributes: Parameters["androidMainActivityAttributes"],
+) {
+  const { manifest } = androidManifest;
+
+  if (!Array.isArray(manifest["application"])) {
+    console.warn(
+      "withAndroidMainActivityAttributes: No application array in manifest?",
+    );
+    return androidManifest;
+  }
+
+  const application = manifest["application"].find(
+    (item) => item.$["android:name"] === ".MainApplication",
+  );
+  if (!application) {
+    console.warn("withAndroidMainActivityAttributes: No .MainApplication?");
+    return androidManifest;
+  }
+
+  if (!Array.isArray(application["activity"])) {
+    console.warn(
+      "withAndroidMainActivityAttributes: No activity array in .MainApplication?",
+    );
+    return androidManifest;
+  }
+
+  const activity = application["activity"].find(
+    (item) => item.$["android:name"] === ".MainActivity",
+  );
+  if (!activity) {
+    console.warn("withAndroidMainActivityAttributes: No .MainActivity?");
+    return androidManifest;
+  }
+
+  const newAttributes = attributes || {
+    "android:launchMode": "singleTask",
+  };
+
+  activity.$ = { ...activity.$, ...newAttributes };
+
+  return androidManifest;
+}
+
+export const withAndroidMainActivityAttributes: ConfigPlugin<Parameters> = (
+  config,
+  parameters,
+) => {
+  return withAndroidManifest(config, (config) => {
+    config.modResults = addAttributesToMainActivity(
+      config.modResults,
+      parameters?.androidMainActivityAttributes,
+    );
+    return config;
+  });
+};

plugin/src/index.ts

@@ -6,7 +6,7 @@ import {
 
 // Android
 import { withAndroidIntentFilters } from "./android/withAndroidIntentFilters";
-
+import { withAndroidMainActivityAttributes } from "./android/withAndroidMainActivityAttributes";
 // iOS
 import { withAppEntitlements } from "./ios/withIosAppEntitlements";
 import { withShareExtensionConfig } from "./ios/withIosShareExtensionConfig";
@@ -27,6 +27,7 @@ const withShareMenu: ConfigPlugin<Parameters> = createRunOncePlugin(
       () => withShareExtensionXcodeTarget(config, params),
       // Android
       () => withAndroidIntentFilters(config, params),
+      () => withAndroidMainActivityAttributes(config, params),
     ]);
   },
   pkg.name,