content: package io.agora.openduo;
  
  public class Constants {
      public static final String SP_NAME = "openduo-sp";
      public static final String PREF_USER_ID = "user-call-id";
  
      public static final String CS_KEY_UID = "cs-key-uid";
      public static final String CS_KEY_CHANNEL = "cs-key-channel";
      public static final String CS_KEY_SUBSCRIBER = "cs-key-subscriber";
      public static final String CS_KEY_REMOTE_INVITATION = "cs-key-remote-invitation";
      public static final String CS_KEY_ROLE = "cs-key-role";
  
      public static final String PA_LABEL_CALL_IN = "cs-call-in";
      public static final String PA_LABEL_CALL_OUT = "cs-call-out";
  
      public static final int CALL_ID_IN = 1;
      public static final int CALL_ID_OUT = 2;
  
      public static final String KEY_CALLING_ROLE = "key-calling-role";
      public static final String KEY_CALLING_CHANNEL = "key-calling-channel";
      public static final String KEY_CALLING_PEER = "key-calling-peer";
  
      public static final int ROLE_CALLER = 0;
      public static final int ROLE_CALLEE = 1;
  }
  