From c8845fe04c1596fe2e7242302bf160bc671910cb Mon Sep 17 00:00:00 2001
From: HUI <luxuhui@agora.io>
Date: Tue, 15 Dec 2020 20:03:50 +0800
Subject: [PATCH] fix: `RtcSurfaceView` memory leak

---
 .gitignore           |  1 +
 RtcSurfaceView.swift | 12 ++++++++----
 2 files changed, 9 insertions(+), 4 deletions(-)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..9f11b755a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.idea/
diff --git a/RtcSurfaceView.swift b/RtcSurfaceView.swift
index 2d20efc0c..e5181ec90 100644
--- a/RtcSurfaceView.swift
+++ b/RtcSurfaceView.swift
@@ -18,13 +18,17 @@ class RtcSurfaceView: UIView {
     }()
     private weak var channel: AgoraRtcChannel?
 
+    func destroy() {
+        canvas.view = nil
+    }
+
     func setData(_ engine: AgoraRtcEngineKit, _ channel: AgoraRtcChannel?, _ uid: Int) {
         self.channel = channel
         canvas.channelId = channel?.getId()
         canvas.uid = UInt(uid)
         setupVideoCanvas(engine)
     }
-    
+
     func resetVideoCanvas(_ engine: AgoraRtcEngineKit) {
         let canvas = AgoraRtcVideoCanvas()
         canvas.view = nil
@@ -32,14 +36,14 @@ class RtcSurfaceView: UIView {
         canvas.channelId = self.canvas.channelId
         canvas.uid = self.canvas.uid
         canvas.mirrorMode = self.canvas.mirrorMode
-        
+
         if canvas.uid == 0 {
             engine.setupLocalVideo(canvas)
         } else {
             engine.setupRemoteVideo(canvas)
         }
     }
-    
+
     private func setupVideoCanvas(_ engine: AgoraRtcEngineKit) {
         if canvas.uid == 0 {
             engine.setupLocalVideo(canvas)
@@ -47,7 +51,7 @@ class RtcSurfaceView: UIView {
             engine.setupRemoteVideo(canvas)
         }
     }
-    
+
     func setRenderMode(_ engine: AgoraRtcEngineKit, _ renderMode: Int) {
         canvas.renderMode = AgoraVideoRenderMode(rawValue: UInt(renderMode))!
         setupRenderMode(engine)