force set view controller before display messenger (#370)

Author: renanpupin

iOS/IntercomWrapper.m

@@ -9,6 +9,8 @@
 #import "IntercomWrapper.h"
 #import "IntercomUserAttributesBuilder.h"
 #import <Intercom/Intercom.h>
+#import <React/RCTUtils.h>
+#import <React/RCTUtilsUIOverride.h>
 
 @implementation IntercomWrapper
 
@@ -103,6 +105,9 @@ @implementation IntercomWrapper
 // Available as NativeModules.IntercomWrapper.displayMessenger
 RCT_EXPORT_METHOD(displayMessenger :(RCTPromiseResolveBlock)resolve :(RCTPromiseRejectBlock)reject) {
     NSLog(@"displayMessenger");
+    
+    UIViewController *controller = RCTPresentedViewController();
+    [RCTUtilsUIOverride setPresentedViewController:controller];
 
     dispatch_async(dispatch_get_main_queue(), ^{
         [Intercom presentMessenger];
@@ -125,6 +130,9 @@ @implementation IntercomWrapper
 // Available as NativeModules.IntercomWrapper.displayMessageComposer
 RCT_EXPORT_METHOD(displayMessageComposer :(RCTPromiseResolveBlock)resolve :(RCTPromiseRejectBlock)reject) {
     NSLog(@"displayMessageComposer");
+    
+    UIViewController *controller = RCTPresentedViewController();
+    [RCTUtilsUIOverride setPresentedViewController:controller];
 
     dispatch_async(dispatch_get_main_queue(), ^{
         [Intercom presentMessageComposer];
@@ -135,6 +143,9 @@ @implementation IntercomWrapper
 
 RCT_EXPORT_METHOD(displayMessageComposerWithInitialMessage:(NSString*)message resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
     NSLog(@"displayMessageComposerWithInitialMessage");
+    
+    UIViewController *controller = RCTPresentedViewController();
+    [RCTUtilsUIOverride setPresentedViewController:controller];
 
     dispatch_async(dispatch_get_main_queue(), ^{
         [Intercom presentMessageComposerWithInitialMessage:message];
@@ -146,6 +157,9 @@ @implementation IntercomWrapper
 // Available as NativeModules.IntercomWrapper.displayConversationsList
 RCT_EXPORT_METHOD(displayConversationsList :(RCTPromiseResolveBlock)resolve :(RCTPromiseRejectBlock)reject) {
     NSLog(@"displayConversationsList");
+    
+    UIViewController *controller = RCTPresentedViewController();
+    [RCTUtilsUIOverride setPresentedViewController:controller];
 
     dispatch_async(dispatch_get_main_queue(), ^{
         [Intercom presentConversationList];
@@ -166,6 +180,9 @@ @implementation IntercomWrapper
 // Available as NativeModules.IntercomWrapper.displayHelpCenter
 RCT_EXPORT_METHOD(displayHelpCenter :(RCTPromiseResolveBlock)resolve :(RCTPromiseRejectBlock)reject) {
     NSLog(@"displayHelpCenter");
+    
+    UIViewController *controller = RCTPresentedViewController();
+    [RCTUtilsUIOverride setPresentedViewController:controller];
 
     dispatch_async(dispatch_get_main_queue(), ^{
         [Intercom presentHelpCenter];