Update

apps/mobile/plugins/withWidgetExported.js

@@ -0,0 +1,31 @@
+const { withAndroidManifest } = require('expo/config-plugins');
+
+/**
+ * Fixes react-native-android-widget setting android:exported="false" on widget receivers.
+ * Widget receivers MUST be exported so the launcher can send APPWIDGET_UPDATE broadcasts.
+ *
+ * Uses withAndroidManifest's dangerous modifier priority to run after all other plugins.
+ */
+module.exports = function withWidgetExported(config) {
+  return withAndroidManifest(config, (config) => {
+    const mainApplication =
+      config.modResults.manifest.application?.[0];
+    if (!mainApplication?.receiver) return config;
+
+    for (const receiver of mainApplication.receiver) {
+      const intentFilters = receiver['intent-filter'] ?? [];
+      const isWidget = intentFilters.some((filter) =>
+        filter.action?.some(
+          (a) =>
+            a.$?.['android:name'] ===
+            'android.appwidget.action.APPWIDGET_UPDATE'
+        )
+      );
+      if (isWidget) {
+        receiver.$['android:exported'] = 'true';
+      }
+    }
+
+    return config;
+  });
+};