[Update] Bug fixes and performance enhancements.

android/build.gradle

@@ -52,5 +52,5 @@ android {
 dependencies {
     // 本地依赖，现将aar复制到libs/io/openim/core-sdk/0.0.1/ 下，命名core-sdk-0.0.1.aar
 //    implementation 'io.openim:core-sdk:0.0.1@aar'
-    implementation 'io.openim:core-sdk:3.2.0-alpha.0@aar'
+    implementation 'io.openim:core-sdk:3.2.0@aar'
 }

android/src/main/java/io/openim/flutter_openim_sdk/listener/OnUserListener.java

@@ -8,4 +8,9 @@ public class OnUserListener implements open_im_sdk_callback.OnUserListener {
     public void onSelfInfoUpdated(String s) {
         CommonUtil.emitEvent("userListener", "onSelfInfoUpdated", s);
     }
+
+    @Override
+    public void onUserStatusChanged(String s) {
+        CommonUtil.emitEvent("userListener", "onUserStatusChanged", s);
+    }
 }