fix crash bug

zhaoyongqiang · zhaoyongqiang · commit 57add0ef3621 · 2022-10-26T16:10:39.000+08:00
diff --git a/macOS/APIExample/Examples/Advanced/ContentInspect/ContentInspect.swift b/macOS/APIExample/Examples/Advanced/ContentInspect/ContentInspect.swift
@@ -38,7 +38,7 @@ class ContentInspectViewController: BaseViewController {
         }
     }
     
-    var agoraKit: AgoraRtcEngineKit!
+    var agoraKit: AgoraRtcEngineKit?
 
     
     // MARK: - LifeCycle
@@ -48,14 +48,14 @@ class ContentInspectViewController: BaseViewController {
     }
     
     override func viewWillBeRemovedFromSplitView() {
-        agoraKit.leaveChannel(nil)
+        agoraKit?.leaveChannel(nil)
         AgoraRtcEngineKit.destroy()
     }
     
     // MARK: - UI
     @IBAction func joinBtnClicked(_ sender: NSButton) {
         if isJoinChannel {
-            agoraKit.leaveChannel(nil)
+            agoraKit?.leaveChannel(nil)
             isJoinChannel = false
             return
         }
@@ -66,12 +66,12 @@ class ContentInspectViewController: BaseViewController {
         agoraKit = AgoraRtcEngineKit.sharedEngine(withAppId: KeyCenter.AppId, delegate: self)
         // Configuring Privatization Parameters
         Util.configPrivatization(agoraKit: agoraKit)
-        agoraKit.enableVideo()
+        agoraKit?.enableVideo()
         
         let videoCanvas = AgoraRtcVideoCanvas()
         videoCanvas.view = localVideo.videocanvas
         videoCanvas.renderMode = .hidden
-        agoraKit.setupLocalVideo(videoCanvas)
+        agoraKit?.setupLocalVideo(videoCanvas)
         
         // Enable content inspect with local video view
         let moderateModule = AgoraContentInspectModule()
@@ -80,13 +80,13 @@ class ContentInspectViewController: BaseViewController {
         
         let inspectConfig = AgoraContentInspectConfig()
         inspectConfig.modules = [moderateModule]
-        agoraKit.enableContentInspect(true, config:inspectConfig)
+        agoraKit?.enableContentInspect(true, config:inspectConfig)
         
         let options = AgoraRtcChannelMediaOptions()
         options.publishCameraTrack = true
         options.clientRoleType = .broadcaster
         NetworkManager.shared.generateToken(channelName: channelId, success: { token in
-            let result = self.agoraKit.joinChannel(byToken: token, channelId: channelId, uid: 0, mediaOptions: options)
+            let result = self.agoraKit?.joinChannel(byToken: token, channelId: channelId, uid: 0, mediaOptions: options)
             if result != 0 {
                 // Usually happens with invalid parameters
                 // Error code description can be found at:
@@ -153,7 +153,7 @@ extension ContentInspectViewController: AgoraRtcEngineDelegate {
         videoCanvas.uid = uid
         videoCanvas.view = remoteVideo.videocanvas
         videoCanvas.renderMode = .hidden
-        agoraKit.setupRemoteVideo(videoCanvas)
+        agoraKit?.setupRemoteVideo(videoCanvas)
     }
     
     func rtcEngine(_ engine: AgoraRtcEngineKit, didOfflineOfUid uid: UInt, reason: AgoraUserOfflineReason) {
@@ -163,7 +163,7 @@ extension ContentInspectViewController: AgoraRtcEngineDelegate {
         let videoCanvas = AgoraRtcVideoCanvas()
         videoCanvas.view = nil
         videoCanvas.uid = uid
-        agoraKit.setupRemoteVideo(videoCanvas)
+        agoraKit?.setupRemoteVideo(videoCanvas)
     }
 }
 
