Fixed - Minus speaking issue.

app/src/main/java/com/vsoft/servicenow/chat/Speaker.java

@@ -47,7 +47,7 @@ public class Speaker implements TextToSpeech.OnInitListener {
 
 
     public void speak(String text) {
     public void speak(String text) {
         //remove all special characters.
         //remove all special characters.
-        String speakText = text.replaceAll("---*", "");
+        String speakText = text.replaceAll("--*", " ");
         // Speak only if the TTS is ready
         // Speak only if the TTS is ready
         // and the user has allowed speech
         // and the user has allowed speech
         if (ready && allowed) {
         if (ready && allowed) {