[🏁 #8] Play Store referrer (#4361)

* add new module for referrer api

* add dependency

* rm boiler

* return the result

* end connection when finished

* add js types

modules/expo-google-play-referrer/android/build.gradle

@@ -0,0 +1,47 @@
+apply plugin: 'com.android.library'
+
+group = 'expo.modules.googleplayreferrer'
+version = '0.6.0'
+
+def expoModulesCorePlugin = new File(project(":expo-modules-core").projectDir.absolutePath, "ExpoModulesCorePlugin.gradle")
+apply from: expoModulesCorePlugin
+applyKotlinExpoModulesCorePlugin()
+useCoreDependencies()
+useExpoPublishing()
+
+// If you want to use the managed Android SDK versions from expo-modules-core, set this to true.
+// The Android SDK versions will be bumped from time to time in SDK releases and may introduce breaking changes in your module code.
+// Most of the time, you may like to manage the Android SDK versions yourself.
+def useManagedAndroidSdkVersions = false
+if (useManagedAndroidSdkVersions) {
+  useDefaultAndroidSdkVersions()
+} else {
+  buildscript {
+    // Simple helper that allows the root project to override versions declared by this library.
+    ext.safeExtGet = { prop, fallback ->
+      rootProject.ext.has(prop) ? rootProject.ext.get(prop) : fallback
+    }
+  }
+  project.android {
+    compileSdkVersion safeExtGet("compileSdkVersion", 34)
+    defaultConfig {
+      minSdkVersion safeExtGet("minSdkVersion", 21)
+      targetSdkVersion safeExtGet("targetSdkVersion", 34)
+    }
+  }
+}
+
+android {
+  namespace "expo.modules.googleplayreferrer"
+  defaultConfig {
+    versionCode 1
+    versionName "0.6.0"
+  }
+  lintOptions {
+    abortOnError false
+  }
+}
+
+dependencies {
+  implementation("com.android.installreferrer:installreferrer:2.2")
+}

modules/expo-google-play-referrer/android/src/main/AndroidManifest.xml

@@ -0,0 +1,2 @@
+<manifest>
+</manifest>

modules/expo-google-play-referrer/android/src/main/java/expo/modules/googleplayreferrer/ExpoGooglePlayReferrerModule.kt

@@ -0,0 +1,47 @@
+package expo.modules.googleplayreferrer
+
+import com.android.installreferrer.api.InstallReferrerClient
+import com.android.installreferrer.api.InstallReferrerStateListener
+import expo.modules.kotlin.modules.Module
+import expo.modules.kotlin.modules.ModuleDefinition
+import expo.modules.kotlin.Promise
+
+class ExpoGooglePlayReferrerModule : Module() {
+  override fun definition() = ModuleDefinition {
+    Name("ExpoGooglePlayReferrer")
+
+    AsyncFunction("getReferrerInfoAsync") { promise: Promise ->
+      val referrerClient = InstallReferrerClient.newBuilder(appContext.reactContext).build()
+      referrerClient.startConnection(object : InstallReferrerStateListener {
+        override fun onInstallReferrerSetupFinished(responseCode: Int) {
+          if (responseCode == InstallReferrerClient.InstallReferrerResponse.OK) {
+            val response = referrerClient.installReferrer
+            promise.resolve(
+              mapOf(
+                "installReferrer" to response.installReferrer,
+                "clickTimestamp" to response.referrerClickTimestampSeconds,
+                "installTimestamp" to response.installBeginTimestampSeconds
+              )
+            )
+          } else {
+            promise.reject(
+              "ERR_GOOGLE_PLAY_REFERRER_UNKNOWN",
+              "Failed to get referrer info",
+              Exception("Failed to get referrer info")
+            )
+          }
+          referrerClient.endConnection()
+        }
+
+        override fun onInstallReferrerServiceDisconnected() {
+          promise.reject(
+            "ERR_GOOGLE_PLAY_REFERRER_DISCONNECTED",
+            "Failed to get referrer info",
+            Exception("Failed to get referrer info")
+          )
+          referrerClient.endConnection()
+        }
+      })
+    }
+  }
+}

modules/expo-google-play-referrer/expo-module.config.json

@@ -0,0 +1,9 @@
+{
+  "platforms": ["android"],
+  "ios": {
+    "modules": ["ExpoGooglePlayReferrerModule"]
+  },
+  "android": {
+    "modules": ["expo.modules.googleplayreferrer.ExpoGooglePlayReferrerModule"]
+  }
+}

modules/expo-google-play-referrer/index.ts

@@ -0,0 +1,3 @@
+import {GooglePlayReferrerModule} from './src/ExpoGooglePlayReferrerModule'
+
+export default GooglePlayReferrerModule

modules/expo-google-play-referrer/src/ExpoGooglePlayReferrer.types.ts

@@ -0,0 +1,9 @@
+export type GooglePlayReferrerInfo = {
+  installReferrer: string
+  clickTimestamp: number
+  installTimestamp: number
+}
+
+export type ExpoGooglePlayReferrerModule = {
+  getReferrerInfoAsync(): Promise<GooglePlayReferrerInfo>
+}

modules/expo-google-play-referrer/src/ExpoGooglePlayReferrerModule.android.ts

@@ -0,0 +1,6 @@
+import {requireNativeModule} from 'expo-modules-core'
+
+import {ExpoGooglePlayReferrerModule} from './ExpoGooglePlayReferrer.types'
+
+export const BackgroundNotificationHandler =
+  requireNativeModule<ExpoGooglePlayReferrerModule>('ExpoGooglePlayReferrer')

modules/expo-google-play-referrer/src/ExpoGooglePlayReferrerModule.ts

@@ -0,0 +1,11 @@
+import {
+  ExpoGooglePlayReferrerModule,
+  GooglePlayReferrerInfo,
+} from './ExpoGooglePlayReferrer.types'
+
+export const GooglePlayReferrerModule = {
+  getReferrerInfoAsync(): Promise<GooglePlayReferrerInfo> {
+    console.error('getReferrerInfoAsync is only available on Android')
+    return Promise.reject('getReferrerInfoAsync is only available on Android')
+  },
+} as ExpoGooglePlayReferrerModule