fix: complete lifecycleInit Future on Android (#1095)

Author: nan-li

android/src/main/java/com/onesignal/flutter/OneSignalInAppMessages.java

@@ -48,7 +48,7 @@ else if (call.method.contentEquals("OneSignal#arePaused"))
         else if (call.method.contentEquals("OneSignal#paused"))
             this.paused(call, result);
         else if (call.method.contentEquals("OneSignal#lifecycleInit"))
-            this.lifecycleInit();
+            this.lifecycleInit(result);
         else
             replyNotImplemented(result);
     }
@@ -90,9 +90,10 @@ private void paused(MethodCall call, Result result) {
         replySuccess(result, null);
     }
 
-    public void lifecycleInit() {
+    public void lifecycleInit(Result result) {
         OneSignal.getInAppMessages().addLifecycleListener(this);
         OneSignal.getInAppMessages().addClickListener(this);
+        replySuccess(result, null);
     }
 
     @Override

android/src/main/java/com/onesignal/flutter/OneSignalNotifications.java

@@ -87,7 +87,7 @@ else if (call.method.contentEquals("OneSignal#displayNotification"))
     else if (call.method.contentEquals("OneSignal#preventDefault"))
         this.preventDefault(call, result);
     else if (call.method.contentEquals("OneSignal#lifecycleInit"))
-        this.lifecycleInit();
+        this.lifecycleInit(result);
     else if (call.method.contentEquals("OneSignal#proceedWithWillDisplay"))
         this.proceedWithWillDisplay(call, result);
     else if (call.method.contentEquals("OneSignal#addNativeClickListener"))
@@ -210,9 +210,10 @@ public void onNotificationPermissionChange(boolean permission)  {
         invokeMethodOnUiThread("OneSignal#onNotificationPermissionDidChange", hash);
     }
 
-    private void lifecycleInit() {
+    private void lifecycleInit(Result result) {
         OneSignal.getNotifications().addForegroundLifecycleListener(this);
         OneSignal.getNotifications().addPermissionObserver(this);
+        replySuccess(result, null);
     }
 
     private void registerClickListener() {

android/src/main/java/com/onesignal/flutter/OneSignalPushSubscription.java

@@ -36,7 +36,7 @@ else if (call.method.contentEquals("OneSignal#pushSubscriptionToken"))
         else if (call.method.contentEquals("OneSignal#pushSubscriptionOptedIn"))
             replySuccess(result, OneSignal.getUser().getPushSubscription().getOptedIn());
         else if (call.method.contentEquals("OneSignal#lifecycleInit"))
-            this.lifecycleInit();
+            this.lifecycleInit(result);
         else
             replyNotImplemented(result);
     }
@@ -50,8 +50,9 @@ private void optOut(MethodCall call, Result reply) {
         replySuccess(reply, null);
     }
 
-    private void lifecycleInit() {
+    private void lifecycleInit(Result result) {
         OneSignal.getUser().getPushSubscription().addObserver(this);
+        replySuccess(result, null);
     }  
 
     @Override

android/src/main/java/com/onesignal/flutter/OneSignalUser.java

@@ -53,7 +53,7 @@ else if (call.method.contentEquals("OneSignal#removeTags"))
         else if (call.method.contentEquals("OneSignal#getTags"))
             this.getTags(call, result);
         else if (call.method.contentEquals("OneSignal#lifecycleInit"))
-            this.lifecycleInit();
+            this.lifecycleInit(result);
         else
             replyNotImplemented(result);
     }
@@ -67,8 +67,9 @@ private void setLanguage(MethodCall call, Result result) {
         replySuccess(result, null);
     }
 
-    private void lifecycleInit() {
+    private void lifecycleInit(Result result) {
         OneSignal.getUser().addObserver(this);
+        replySuccess(result, null);
     }
 
     private void getOnesignalId(MethodCall call, Result result) {