Upgrade to v1.0.31 and use new setOnJoin handler

Author: mythz

src/androidchat/app/build.gradle

@@ -54,7 +54,7 @@ dependencies {
     })
     compile 'com.android.support:appcompat-v7:25.2.0'
     compile 'com.android.support:design:25.2.0'
-    compile 'net.servicestack:android:1.0.30'
+    compile 'net.servicestack:android:1.0.31'
     compile 'com.facebook.android:facebook-android-sdk:[4,5)'
     compile('com.twitter.sdk.android:twitter:2.3.1@aar') {
         transitive = true;

src/androidchat/app/src/main/java/servicestack/net/androidchat/MainActivity.java

@@ -91,14 +91,12 @@ protected void onCreate(Bundle savedInstanceState) {
                     Extensions.updateUserProfile(connectMsg, mainActivity);
                 });
             })
-            .setOnCommand(command -> {
-                if (command instanceof ServerEventJoin){
-                    getClient().getChannelSubscribersAsync(r -> {
-                        subscriberList = r;
-                        // Refresh profile icons when users join
-                        messageHistoryAdapter.notifyDataSetChanged();
-                    });
-                }
+            .setOnJoin(msg -> {
+                getClient().getChannelSubscribersAsync(r -> {
+                    subscriberList = r;
+                    // Refresh profile icons when users join
+                    messageHistoryAdapter.notifyDataSetChanged();
+                });
             })
             .setOnException(error -> mainActivity.runOnUiThread(() ->
                 Toast.makeText(this, "Error : " + error.getMessage(), Toast.LENGTH_LONG)))