From e6cb5fed606f0ca248555f18bc31c55a41171a89 Mon Sep 17 00:00:00 2001
From: Michele Bombardi <bmsoftware.co@gmail.com>
Date: Tue, 26 Sep 2017 16:33:20 +0200
Subject: [PATCH] deleteInstanceId feature (Android only)

---
 .../firebase/messaging/RNFirebaseMessaging.java       | 11 +++++++++++
 index.d.ts                                            |  4 ++++
 lib/modules/messaging/index.js                        |  8 ++++++++
 3 files changed, 23 insertions(+)

diff --git a/android/src/main/java/io/invertase/firebase/messaging/RNFirebaseMessaging.java b/android/src/main/java/io/invertase/firebase/messaging/RNFirebaseMessaging.java
index 261a4dee..1b3856d3 100644
--- a/android/src/main/java/io/invertase/firebase/messaging/RNFirebaseMessaging.java
+++ b/android/src/main/java/io/invertase/firebase/messaging/RNFirebaseMessaging.java
@@ -72,6 +72,17 @@ public class RNFirebaseMessaging extends ReactContextBaseJavaModule implements L
     promise.resolve(FirebaseInstanceId.getInstance().getToken());
   }
 
+  @ReactMethod
+  public void deleteInstanceId(Promise promise){
+      try {
+          FirebaseInstanceId.getInstance().deleteInstanceId();
+          promise.resolve(null);
+      } catch (IOException e) {
+          e.printStackTrace();
+          promise.reject(null, e.getMessage());
+      }
+  }
+
   @ReactMethod
   public void createLocalNotification(ReadableMap details) {
     Bundle bundle = Arguments.toBundle(details);
diff --git a/index.d.ts b/index.d.ts
index e2f0c29f..057d68c0 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -608,6 +608,10 @@ declare module "react-native-firebase" {
          * This token can be used in the Firebase console to send messages to directly.
          */
         getToken(forceRefresh?: Boolean): Promise<string>
+        /**
+         * Reset Instance ID and revokes all tokens.
+         */
+        deleteInstanceId(): Promise<any>
         /**
          * On the event a devices FCM token is refreshed by Google,
          *  the new token is returned in a callback listener.
diff --git a/lib/modules/messaging/index.js b/lib/modules/messaging/index.js
index 64307d9e..3e72505b 100644
--- a/lib/modules/messaging/index.js
+++ b/lib/modules/messaging/index.js
@@ -109,6 +109,14 @@ export default class Messaging extends ModuleBase {
     return this._native.getToken();
   }
 
+  /**
+   * Reset Instance ID and revokes all tokens.
+   * @returns {*|Promise.<*>}
+   */
+  deleteInstanceId() {
+    return this._native.deleteInstanceId();
+  }
+
   /**
    * Create and display a local notification
    * @param notification