Moved subscribe to reflect the same code you should have at the end of the tutorial.

Author: chandler767

main.go

@@ -39,41 +39,6 @@ func drawchat(channel string, username string) {
 		return nil
 	})
 
-	// Subscribe (listen on) a channel.
-	successChannel := make(chan []byte)
-	go pubnub.Subscribe(channel, "", successChannel, false, make(chan []byte))
-	go func() {
-		for {
-			select {
-			case response := <-successChannel:
-				var msg []interface{}
-				err := json.Unmarshal(response, &msg)
-				if err != nil {
-					log.Println(err)
-					return
-				}
-				ov, err := g.View("output")
-				if err != nil {
-					log.Println("Cannot get output view:", err)
-					return
-				}
-				switch m := msg[0].(type) {
-				case []interface{}:
-					// Get output view and print.
-					_, err = fmt.Fprintf(ov, "%s", m[0])
-					if err != nil {
-						log.Println("Cannot print to output view:", err)
-					}
-
-				}
-				// Refresh view
-				g.Update(func(g *gocui.Gui) error {
-					return nil
-				})
-			}
-		}
-	}()
-
 	// Terminal width and height.
 	termwidth, termheight := g.Size()
 
@@ -158,6 +123,40 @@ func drawchat(channel string, username string) {
 		log.Println("Cannot set focus to input view:", err)
 	}
 
+	// Subscribe (listen on) a channel.
+	successChannel := make(chan []byte)
+	go pubnub.Subscribe(channel, "", successChannel, false, make(chan []byte))
+	go func() {
+		for {
+			select {
+			case response := <-successChannel:
+				var msg []interface{}
+				err := json.Unmarshal(response, &msg)
+				if err != nil {
+					log.Println(err)
+					return
+				}
+				ov, err := g.View("output")
+				if err != nil {
+					log.Println("Cannot get output view:", err)
+					return
+				}
+				switch m := msg[0].(type) {
+				case []interface{}:
+					// Get output view and print.
+					_, err = fmt.Fprintf(ov, "%s", m[0])
+					if err != nil {
+						log.Println("Cannot print to output view:", err)
+					}
+				}
+				// Refresh view
+				g.Update(func(g *gocui.Gui) error {
+					return nil
+				})
+			}
+		}
+	}()
+
 	// Start the main loop.
 	err = g.MainLoop()
 	log.Println("Main loop has finished:", err)