Updated with requested changes

Author: ajnozari

README.md

@@ -136,6 +136,21 @@ Be sure to set this only after your call is ready for two way audio; used both i
 RNCallKeep.setCurrentCallActive(uuid);
 ```
 
+- `uuid`: string
+  - The `uuid` used for `startCall` or `displayIncomingCall`
+
+### isCallActive
+_This feature is available only on IOS._
+
+Returns true if the UUID passed matches an existing and answered call. 
+This will return true ONLY if the call exists and the user has already answered the call. It will return false 
+if the call does not exist or has not been answered. This is exposed to both React Native and Native sides.
+This was exposed so a call can be canceled if ringing and the user answered on a different device.
+
+```js
+RNCallKeep.isCallActive(uuid);
+```
+
 - `uuid`: string
   - The `uuid` used for `startCall` or `displayIncomingCall`
 

ios/RNCallKeep/RNCallKeep.m

@@ -304,13 +304,13 @@ - (void)requestTransaction:(CXTransaction *)transaction
     }];
 }
 
-+ (BOOL)checkIfActiveCall:(NSString *)uuidString
++ (BOOL)isCallActive:(NSString *)uuidString
 {
     CXCallObserver *callObserver = [[CXCallObserver alloc] init];
     NSUUID *uuid = [[NSUUID alloc] initWithUUIDString:uuidString];
 
     for(CXCall *call in callObserver.calls){
-        NSLog(@"Connected: %d", [call.UUID isEqual:uuid]);
+        NSLog(@"[RNCallKeep] isCallActive %@ %d ?", call.UUID, [call.UUID isEqual:uuid]);
         if([call.UUID isEqual:[[NSUUID alloc] initWithUUIDString:uuidString]] && !call.hasConnected){
             return true;
         }