[🏁 #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/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