From a5769ca19f68b1be5b79cdd856047c6b4ba8b9d7 Mon Sep 17 00:00:00 2001
From: Den <2119348+dzianisv@users.noreply.github.com>
Date: Wed, 3 Jun 2026 04:52:16 -0700
Subject: [PATCH] fix(fdroid): add expo-application installreferrer-free stub
 for F-Droid builds

---
 .../ApplicationModule.kt                      | 103 ++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 fdroid/expo-application-patches/ApplicationModule.kt

diff --git a/fdroid/expo-application-patches/ApplicationModule.kt b/fdroid/expo-application-patches/ApplicationModule.kt
new file mode 100644
index 0000000..9f81598
--- /dev/null
+++ b/fdroid/expo-application-patches/ApplicationModule.kt
@@ -0,0 +1,103 @@
+package expo.modules.application
+
+import android.content.Context
+import android.content.pm.PackageInfo
+import android.content.pm.PackageManager
+import android.os.Build
+import android.provider.Settings
+import expo.modules.kotlin.Promise
+import expo.modules.kotlin.exception.CodedException
+import expo.modules.kotlin.exception.Exceptions
+import expo.modules.kotlin.modules.Module
+import expo.modules.kotlin.modules.ModuleDefinition
+
+/**
+ * Patched ApplicationModule (installreferrer-free) for F-Droid builds.
+ * Removed: com.android.installreferrer dependency (Google Play-only API).
+ * getInstallReferrerAsync rejects with an error in F-Droid builds.
+ */
+
+class ApplicationPackageNameNotFoundException(cause: PackageManager.NameNotFoundException) :
+  CodedException(message = "Unable to get install time of this application. Could not get package info or package name.", cause = cause)
+
+class ApplicationModule : Module() {
+  private val context: Context
+    get() = appContext.reactContext ?: throw Exceptions.ReactContextLost()
+
+  override fun definition() = ModuleDefinition {
+    Name("ExpoApplication")
+
+    Constant("applicationName") {
+      context.applicationInfo.loadLabel(context.packageManager).toString()
+    }
+
+    Constant("applicationId") {
+      packageName
+    }
+
+    Constant("nativeApplicationVersion") {
+      packageManager.getPackageInfoCompat(packageName, 0).versionName
+    }
+
+    Constant("nativeBuildVersion") {
+      getLongVersionCode(packageManager.getPackageInfoCompat(packageName, 0)).toInt().toString()
+    }
+
+    Constant("androidId") {
+      Settings.Secure.getString(context.contentResolver, Settings.Secure.ANDROID_ID)
+    }
+
+    AsyncFunction<Double>("getInstallationTimeAsync") {
+      val packageManager = context.packageManager
+      val packageName = context.packageName
+      packageManager
+        .getPackageInfoCompat(packageName, 0)
+        .firstInstallTime
+        .toDouble()
+    }
+
+    AsyncFunction<Double>("getLastUpdateTimeAsync") {
+      val packageManager = context.packageManager
+      val packageName = context.packageName
+      packageManager
+        .getPackageInfoCompat(packageName, 0)
+        .lastUpdateTime
+        .toDouble()
+    }
+
+    AsyncFunction("getInstallReferrerAsync") { promise: Promise ->
+      // Install referrer API requires Google Play Services and is unavailable in F-Droid builds.
+      promise.reject(
+        "ERR_APPLICATION_INSTALL_REFERRER_UNAVAILABLE",
+        "Install referrer is not available in F-Droid builds (no Google Play Services).",
+        null
+      )
+    }
+  }
+
+  private val packageName
+    get() = context.packageName
+  private val packageManager
+    get() = context.packageManager
+}
+
+private fun PackageManager.getPackageInfoCompat(packageName: String, flags: Int = 0): PackageInfo =
+  try {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+      getPackageInfo(packageName, PackageManager.PackageInfoFlags.of(flags.toLong()))
+    } else {
+      @Suppress("DEPRECATION")
+      getPackageInfo(packageName, flags)
+    }
+  } catch (e: PackageManager.NameNotFoundException) {
+    throw ApplicationPackageNameNotFoundException(e)
+  }
+
+private fun getLongVersionCode(info: PackageInfo): Long {
+  return if (Build.VERSION.SDK_INT >= 28) {
+    info.longVersionCode
+  } else {
+    @Suppress("DEPRECATION")
+    info.versionCode.toLong()
+  }
+}