From de54e5429f4bf1a593b03c224ee2ab0f761146fd Mon Sep 17 00:00:00 2001
From: harsh <harsh.bhikadiya@gmail.com>
Date: Fri, 8 Nov 2019 11:48:56 +0530
Subject: [PATCH] making plugin foreground only

Fixes https://github.com/alternadom/WiFiFlutter/issues/45
---
 .../src/main/java/com/alternadom/wifiiot/WifiIotPlugin.java  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/android/src/main/java/com/alternadom/wifiiot/WifiIotPlugin.java b/android/src/main/java/com/alternadom/wifiiot/WifiIotPlugin.java
index d5bbd34d..8bfcf733 100644
--- a/android/src/main/java/com/alternadom/wifiiot/WifiIotPlugin.java
+++ b/android/src/main/java/com/alternadom/wifiiot/WifiIotPlugin.java
@@ -71,6 +71,11 @@ private WifiIotPlugin(Activity poActivity) {
      * Plugin registration.
      */
     public static void registerWith(Registrar registrar) {
+        if (registrar.activity() == null) {
+            // When a background flutter view tries to register the plugin, the registrar has no activity.
+            // We stop the registration process as this plugin is foreground only.
+            return;
+        }
         final MethodChannel channel = new MethodChannel(registrar.messenger(), "wifi_iot");
         final EventChannel eventChannel = new EventChannel(registrar.messenger(), "plugins.wififlutter.io/wifi_scan");
         final WifiIotPlugin wifiIotPlugin = new WifiIotPlugin(registrar.activity());