1.fix

services/appUtils.ts

@@ -0,0 +1,8 @@
+import { NativeModules, Platform } from 'react-native';
+
+export async function isModifiedAppInstalled(scheme: string): Promise<boolean> {
+    if (Platform.OS !== 'android') return false;
+    const { AppUtilsModule } = NativeModules;
+    if (!AppUtilsModule) return false;
+    return await AppUtilsModule.isModifiedAppInstalled(scheme);
+}