fix. refactor event system

android/src/main/java/com/syan/agora/AgoraConst.java

+package com.syan.agora;
+
+public class AgoraConst {
+
+    public final static String AG_PREFIX = "ag_rtc";
+    public final static String AGWarning = "warning";
+    public final static String AGError = "error";
+    public final static String AGApiCallExecute = "apiCallExecute";
+    public final static String AGJoinChannelSuccess = "joinChannelSuccess";
+    public final static String AGRejoinChannelSuccess = "rejoinChannelSuccess";
+    public final static String AGLeaveChannel = "leaveChannel";
+    public final static String AGClientRoleChanged = "clientRoleChanged";
+    public final static String AGUserJoined = "userJoined";
+    public final static String AGUserOffline = "userOffline";
+    public final static String AGConnectionStateChanged = "connectionStateChanged";
+    public final static String AGConnectionLost = "connectionLost";
+    public final static String AGTokenPrivilegeWillExpire = "tokenPrivilegeWillExpire";
+    public final static String AGRequestToken = "requestToken";
+
+    public final static String AGMicrophoneEnabled = "microphoneEnabled";
+    public final static String AGAudioVolumeIndication = "audioVolumeIndication";
+    public final static String AGActiveSpeaker = "activeSpeaker";
+    public final static String AGFirstLocalAudioFrame = "firstLocalAudioFrame";
+    public final static String AGFirstRemoteAudioFrame = "firstRemoteAudioFrame";
+    public final static String AGVideoStopped = "videoStopped";
+    public final static String AGFirstLocalVideoFrame = "firstLocalVideoFrame";
+    public final static String AGFirstRemoteVideoDecoded = "firstRemoteVideoDecoded";
+    public final static String AGFirstRemoteVideoFrame = "firstRemoteVideoFrame";
+    public final static String AGUserMuteAudio = "userMuteAudio";
+    public final static String AGUserMuteVideo = "userMuteVideo";
+    public final static String AGUserEnableVideo = "userEnableVideo";
+    public final static String AGUserEnableLocalVideo = "userEnableLocalVideo";
+    public final static String AGVideoSizeChanged = "videoSizeChanged";
+    public final static String AGRtmpStreamingStateChanged = "rtmpStreamingStateChanged";
+    public final static String AGNetworkTypeChanged = "networkTypeChanged";
+    public final static String AGFirstRemoteAudioDecoded = "firstRemoteAudioDecoded";
+    public final static String AGMediaMetaDataReceived = "mediaMetaDataReceived";
+    public final static String AGLocalVideoChanged = "localVideoChanged";
+    public final static String AGRemoteVideoStateChanged = "remoteVideoStateChanged";
+    public final static String AGLocalPublishFallbackToAudioOnly = "localPublishFallbackToAudioOnly";
+    public final static String AGRemoteSubscribeFallbackToAudioOnly = "remoteSubscribeFallbackToAudioOnly";
+
+    public final static String AGAudioRouteChanged = "audioRouteChanged";
+    public final static String AGCameraReady = "cameraReady";
+    public final static String AGCameraFocusAreaChanged = "cameraFocusAreaChanged";
+    public final static String AGCameraExposureAreaChanged = "cameraExposureAreaChanged";
+
+    public final static String AGRtcStats = "rtcStats";
+    public final static String AGLastmileQuality = "lastmileQuality";
+    public final static String AGNetworkQuality = "networkQuality";
+    public final static String AGLocalVideoStats = "localVideoStats";
+    public final static String AGRemoteVideoStats = "remoteVideoStats";
+    public final static String AGRemoteAudioStats = "remoteAudioStats";
+    public final static String AGAudioTransportStatsOfUid = "audioTransportStatsOfUid";
+    public final static String AGVideoTransportStatsOfUid = "videoTransportStatsOfUid";
+
+    public final static String AGRemoteAudioMixingStart = "remoteAudioMixingStart";
+    public final static String AGRemoteAudioMixingFinish = "remoteAudioMixingFinish";
+    public final static String AGAudioEffectFinish = "audioEffectFinish";
+    public final static String AGAudioMixingStateChanged = "audioMixingStateChanged";
+
+    public final static String AGStreamPublished = "streamPublished";
+    public final static String AGStreamUnpublish = "streamUnpublish";
+    public final static String AGTranscodingUpdate = "transcodingUpdate";
+
+    public final static String AGStreamInjectedStatus = "streamInjectedStatus";
+
+    public final static String AGReceiveStreamMessage = "receiveStreamMessage";
+    public final static String AGOccurStreamMessageError = "occurStreamMessageError";
+
+    public final static String AGMediaEngineLoaded = "mediaEngineLoaded";
+    public final static String AGMediaEngineStartCall = "mediaEngineStartCall";
+    public final static String AGLastmileProbeResult = "lastmileProbeTestResult";
+}

android/src/main/java/com/syan/agora/AgoraModule.java

 import io.agora.rtc.video.VideoEncoderConfiguration;
 
 import static com.facebook.react.bridge.UiThreadUtil.runOnUiThread;
+import static com.syan.agora.AgoraConst.*;
 
 public class AgoraModule extends ReactContextBaseJavaModule {
 
         return constants;
     }
 
-    private final static String AGWarning = "warning";
-    private final static String AGError = "error";
-    private final static String AGApiCallExecute = "apiCallExecute";
-    private final static String AGJoinChannelSuccess = "joinChannelSuccess";
-    private final static String AGRejoinChannelSuccess = "rejoinChannelSuccess";
-    private final static String AGLeaveChannel = "leaveChannel";
-    private final static String AGClientRoleChanged = "clientRoleChanged";
-    private final static String AGUserJoined = "userJoined";
-    private final static String AGUserOffline = "userOffline";
-    private final static String AGConnectionStateChanged = "connectionStateChanged";
-    private final static String AGConnectionLost = "connectionLost";
-    private final static String AGTokenPrivilegeWillExpire = "tokenPrivilegeWillExpire";
-    private final static String AGRequestToken = "requestToken";
-
-    private final static String AGMicrophoneEnabled = "microphoneEnabled";
-    private final static String AGAudioVolumeIndication = "audioVolumeIndication";
-    private final static String AGActiveSpeaker = "activeSpeaker";
-    private final static String AGFirstLocalAudioFrame = "firstLocalAudioFrame";
-    private final static String AGFirstRemoteAudioFrame = "firstRemoteAudioFrame";
-    private final static String AGVideoStopped = "videoStopped";
-    private final static String AGFirstLocalVideoFrame = "firstLocalVideoFrame";
-    private final static String AGFirstRemoteVideoDecoded = "firstRemoteVideoDecoded";
-    private final static String AGFirstRemoteVideoFrame = "firstRemoteVideoFrame";
-    private final static String AGUserMuteAudio = "userMuteAudio";
-    private final static String AGUserMuteVideo = "userMuteVideo";
-    private final static String AGUserEnableVideo = "userEnableVideo";
-    private final static String AGUserEnableLocalVideo = "userEnableLocalVideo";
-    private final static String AGVideoSizeChanged = "videoSizeChanged";
-    private final static String AGRtmpStreamingStateChanged = "rtmpStreamingStateChanged";
-    private final static String AGNetworkTypeChanged = "networkTypeChanged";
-    private final static String AGFirstRemoteAudioDecoded = "firstRemoteAudioDecoded";
-    private final static String AGMediaMetaDataReceived = "mediaMetaDataReceived";
-    private final static String AGLocalVideoChanged = "localVideoChanged";
-    private final static String AGRemoteVideoStateChanged = "remoteVideoStateChanged";
-    private final static String AGLocalPublishFallbackToAudioOnly = "localPublishFallbackToAudioOnly";
-    private final static String AGRemoteSubscribeFallbackToAudioOnly = "remoteSubscribeFallbackToAudioOnly";
-
-    private final static String AGAudioRouteChanged = "audioRouteChanged";
-    private final static String AGCameraReady = "cameraReady";
-    private final static String AGCameraFocusAreaChanged = "cameraFocusAreaChanged";
-    private final static String AGCameraExposureAreaChanged = "cameraExposureAreaChanged";
-
-    private final static String AGRtcStats = "rtcStats";
-    private final static String AGLastmileQuality = "lastmileQuality";
-    private final static String AGNetworkQuality = "networkQuality";
-    private final static String AGLocalVideoStats = "localVideoStats";
-    private final static String AGRemoteVideoStats = "remoteVideoStats";
-    private final static String AGRemoteAudioStats = "remoteAudioStats";
-    private final static String AGAudioTransportStatsOfUid = "audioTransportStatsOfUid";
-    private final static String AGVideoTransportStatsOfUid = "videoTransportStatsOfUid";
-
-    private final static String AGRemoteAudioMixingStart = "remoteAudioMixingStart";
-    private final static String AGRemoteAudioMixingFinish = "remoteAudioMixingFinish";
-    private final static String AGAudioEffectFinish = "audioEffectFinish";
-    private final static String AGAudioMixingStateChanged = "audioMixingStateChanged";
-
-    private final static String AGStreamPublished = "streamPublished";
-    private final static String AGStreamUnpublish = "streamUnpublish";
-    private final static String AGTranscodingUpdate = "transcodingUpdate";
-
-    private final static String AGStreamInjectedStatus = "streamInjectedStatus";
-
-    private final static String AGReceiveStreamMessage = "receiveStreamMessage";
-    private final static String AGOccurStreamMessageError = "occurStreamMessageError";
-
-    private final static String AGMediaEngineLoaded = "mediaEngineLoaded";
-    private final static String AGMediaEngineStartCall = "mediaEngineStartCall";
-    private final static String AGLastmileProbeResult = "lastmileProbeTestResult";
+
 //    private final static String AGIntervalTest = "startEchoTestWithInterval";
 
     private MediaObserver mediaObserver = null;
     private void sendEvent(ReactContext reactContext,
                            String eventName,
                            @Nullable WritableMap params) {
+        StringBuffer agoraEvtName = new StringBuffer(AG_PREFIX);
+        agoraEvtName.append(eventName);
         reactContext
                 .getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class)
-                .emit(eventName, params);
+                .emit(agoraEvtName.toString(), params);
     }
 }

ios/RCTAgora/AgoraConst.h

 
 #import <AgoraRtcEngineKit/AgoraRtcEngineKit.h>
 
+static NSString *AG_PREFIX = @"ag_rtc";
+
 static NSString *RCTAgoraErrorDomain = @"RCTAgoraErrorDomain";
 
 static NSString *AGWarning = @"warning";
 
 + (instancetype)share;
 
++ (NSArray<NSString*> *) supportEvents;
 @end

ios/RCTAgora/AgoraConst.m

   return _person;
 }
 
++ (NSArray<NSString*>*) supportEvents {
+    NSArray<NSString*>* array = @[AGWarning,
+                                  AGError,
+                                  AGApiCallExecute,
+                                  AGJoinChannelSuccess,
+                                  AGRejoinChannelSuccess,
+                                  AGLeaveChannel,
+                                  AGClientRoleChanged,
+                                  AGUserJoined,
+                                  AGUserOffline,
+                                  AGConnectionStateChanged,
+                                  AGConnectionLost,
+                                  AGTokenPrivilegeWillExpire,
+                                  AGRequestToken,
+                                  
+                                  AGMicrophoneEnabled,
+                                  AGAudioVolumeIndication,
+                                  AGActiveSpeaker,
+                                  AGFirstLocalAudioFrame,
+                                  AGFirstRemoteAudioFrame,
+                                  AGFirstRemoteAudioDecoded,
+                                  AGVideoStopped,
+                                  AGFirstLocalVideoFrame,
+                                  AGFirstRemoteVideoDecoded,
+                                  AGFirstRemoteVideoFrame,
+                                  AGUserMuteAudio,
+                                  AGUserMuteVideo,
+                                  AGUserEnableVideo,
+                                  AGUserEnableLocalVideo,
+                                  AGVideoSizeChanged,
+                                  AGRemoteVideoStateChanged,
+                                  AGLocalPublishFallbackToAudioOnly,
+                                  AGRemoteSubscribeFallbackToAudioOnly,
+                                  
+                                  AGAudioRouteChanged,
+                                  AGCameraReady,
+                                  AGCameraFocusAreaChanged,
+                                  AGCameraExposureAreaChanged,
+                                  
+                                  AGRtcStats,
+                                  AGLastmileQuality,
+                                  AGNetworkQuality,
+                                  AGLocalVideoStats,
+                                  AGRemoteVideoStats,
+                                  AGRemoteAudioStats,
+                                  AGAudioTransportStatsOfUid,
+                                  AGVideoTransportStatsOfUid,
+                                  
+                                  AGAudioMixingStateChanged,
+                                  AGRemoteAudioMixingStart,
+                                  AGRemoteAudioMixingFinish,
+                                  AGAudioEffectFinish,
+                                  
+                                  AGStreamPublished,
+                                  AGStreamUnpublish,
+                                  AGTranscodingUpdate,
+                                  
+                                  AGStreamInjectedStatus,
+                                  
+                                  AGReceiveStreamMessage,
+                                  AGOccurStreamMessageError,
+                                  
+                                  AGMediaEngineLoaded,
+                                  AGMediaEngineStartCall,
+                                  AGIntervalTest,
+                                  AGLastmileProbeTestResult,
+                                  AGRtmpStreamingStateChanged,
+                                  AGLocalVideoChanged,
+                                  AGNetworkTypeChanged,
+                                  AGFirstRemoteAudioFrame,
+                                  AGMediaMetaDataReceived];
+  
+  NSMutableArray<NSString *> *eventList = [NSMutableArray arrayWithCapacity:[array count]];
+  [eventList enumerateObjectsUsingBlock:^(NSString * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
+    id mapObj = [NSString stringWithFormat:@"%@%@", AG_PREFIX, obj];
+    [eventList addObject:mapObj];
+  }];
+  return eventList;
+}
+
 - (id)copyWithZone:(NSZone *)zone {
   return _person;
 }

ios/RCTAgora/RCTAgora.m

   }
 }
 
+
 - (NSArray<NSString *> *)supportedEvents {
-  return @[
-           AGWarning,
-           AGError,
-           AGApiCallExecute,
-           AGJoinChannelSuccess,
-           AGRejoinChannelSuccess,
-           AGLeaveChannel,
-           AGClientRoleChanged,
-           AGUserJoined,
-           AGUserOffline,
-           AGConnectionStateChanged,
-           AGConnectionLost,
-           AGTokenPrivilegeWillExpire,
-           AGRequestToken,
-           
-           AGMicrophoneEnabled,
-           AGAudioVolumeIndication,
-           AGActiveSpeaker,
-           AGFirstLocalAudioFrame,
-           AGFirstRemoteAudioFrame,
-           AGFirstRemoteAudioDecoded,
-           AGVideoStopped,
-           AGFirstLocalVideoFrame,
-           AGFirstRemoteVideoDecoded,
-           AGFirstRemoteVideoFrame,
-           AGUserMuteAudio,
-           AGUserMuteVideo,
-           AGUserEnableVideo,
-           AGUserEnableLocalVideo,
-           AGVideoSizeChanged,
-           AGRemoteVideoStateChanged,
-           AGLocalPublishFallbackToAudioOnly,
-           AGRemoteSubscribeFallbackToAudioOnly,
-           
-           AGAudioRouteChanged,
-           AGCameraReady,
-           AGCameraFocusAreaChanged,
-           AGCameraExposureAreaChanged,
-           
-           AGRtcStats,
-           AGLastmileQuality,
-           AGNetworkQuality,
-           AGLocalVideoStats,
-           AGRemoteVideoStats,
-           AGRemoteAudioStats,
-           AGAudioTransportStatsOfUid,
-           AGVideoTransportStatsOfUid,
-           
-           AGAudioMixingStateChanged,
-           AGRemoteAudioMixingStart,
-           AGRemoteAudioMixingFinish,
-           AGAudioEffectFinish,
-           
-           AGStreamPublished,
-           AGStreamUnpublish,
-           AGTranscodingUpdate,
-           
-           AGStreamInjectedStatus,
-           
-           AGReceiveStreamMessage,
-           AGOccurStreamMessageError,
-           
-           AGMediaEngineLoaded,
-           AGMediaEngineStartCall,
-           AGIntervalTest,
-           AGLastmileProbeTestResult,
-           AGRtmpStreamingStateChanged,
-           AGLocalVideoChanged,
-           AGNetworkTypeChanged,
-           AGFirstRemoteAudioFrame,
-           AGMediaMetaDataReceived
-           ];
+  return [AgoraConst supportEvents];
 }
 
 - (void) sendEvent:(NSString *)msg params:(NSDictionary *)params {
   if (hasListeners) {
-    [self sendEventWithName:msg body:params];
+    NSString *evtName = [NSString stringWithFormat:@"%@%@", AG_PREFIX, msg];
+    [self sendEventWithName:evtName body:params];
   }
 }
 

lib/RtcEngine.native.d.ts

  * Other methods of the RtcEngine object serve for agora native sdk and set up error logging.
  */
 declare class RtcEngine {
-    private static eventTypes;
+    private static readonly AG_PREFIX;
     /**
      * Creates a RtcEngine Object internal.
      *
      * @param listener
      */
     static on(eventType: string, listener: (...args: any[]) => any): void;
-    /**
-     * remove event listeners
-     *
-     * This method unsubscribes specified eventType related all listeners. You should call this method when you want to unsubscribe some eventType.
-     * @param eventType
-     */
-    static off(eventType: string): void;
-    /**
-     * remove all events listeners
-     *
-     * This method unsubscribes all eventTypes related listeners.
-     *
-     * @param token
-     */
-    static removeAllListeners(): void;
     /**
      * renew token
      *

lib/RtcEngine.native.js

      * @param listener
      */
     static on(eventType, listener) {
-        this.eventTypes.add(eventType);
-        AgoraEventEmitter.addListener(eventType, listener);
-    }
-    /**
-     * remove event listeners
-     *
-     * This method unsubscribes specified eventType related all listeners. You should call this method when you want to unsubscribe some eventType.
-     * @param eventType
-     */
-    static off(eventType) {
-        AgoraEventEmitter.removeListener(eventType, () => { });
-        this.eventTypes.delete(eventType);
-    }
-    /**
-     * remove all events listeners
-     *
-     * This method unsubscribes all eventTypes related listeners.
-     *
-     * @param token
-     */
-    static removeAllListeners() {
-        for (let eventType of this.eventTypes) {
-            AgoraEventEmitter.removeListener(eventType, () => { });
-        }
-        this.eventTypes.clear();
+        AgoraEventEmitter.addListener(`${RtcEngine.AG_PREFIX}${eventType}`, listener);
     }
     /**
      * renew token
         });
     }
 }
-RtcEngine.eventTypes = new Set();
+RtcEngine.AG_PREFIX = 'ag_rtc';
 exports.default = RtcEngine;
 //# sourceMappingURL=RtcEngine.native.js.map

src/RtcEngine.native.ts

  */
 class RtcEngine {
 
-    private static eventTypes: Set<string> = new Set<string>();
+    private static readonly AG_PREFIX: string = 'ag_rtc';
 
     /**
      * Creates a RtcEngine Object internal.
      * @param listener
      */
     public static on(eventType: string, listener: (...args: any[]) => any) {
-        this.eventTypes.add(eventType);
-        AgoraEventEmitter.addListener(eventType, listener);
-    }
-
-    /**
-     * remove event listeners
-     *
-     * This method unsubscribes specified eventType related all listeners. You should call this method when you want to unsubscribe some eventType.
-     * @param eventType
-     */
-    public static off(eventType: string) {
-        AgoraEventEmitter.removeListener(eventType, () => {});
-        this.eventTypes.delete(eventType);
-    }
-
-    /**
-     * remove all events listeners
-     *
-     * This method unsubscribes all eventTypes related listeners.
-     *
-     * @param token
-     */
-    public static removeAllListeners() {
-        for (let eventType of this.eventTypes) {
-            AgoraEventEmitter.removeListener(eventType, () => {});
-        }
-        this.eventTypes.clear();
+        AgoraEventEmitter.addListener(`${RtcEngine.AG_PREFIX}${eventType}`, listener);
     }
 
     /**