Android 3.1.5 api修改如下，-代表原来api，+代表修改后的api

-       void onInvitationAccpted(String groupId, String invitee, String reason);
+       void onInvitationAccepted(String groupId, String invitee, String reason);

-       void onGroupDestroy(String groupId, String groupName);
+       void onGroupDestroyed(String groupId, String groupName);

-       public boolean streamStarted() 
+       public boolean isStreamStarted() 

-       public int getVideoTimedelay()
+       public int getVideoTimeDelay()

-       public int getVideoFramerate()
+       public int getVideoFrameRate()

-       public int getVideoLostcnt()
+       public int getVideoLostRate()

-       ERROR_INAVAILABLE("error_inavailable")
+       ERROR_UNAVAILABLE("error_unavailable")

-       ERROR_LOCAL_VERSION_SMALLER("error_local_version_smaller")
-       ERROR_PEER_VERSION_SMALLER("error_peer_version_smaller")
+       ERROR_LOCAL_SDK_VERSION_OUTDATED("error_local_sdk_version_outdated")
+       ERROR_REMOTE_SDK_VERSION_OUTDATED("error_remote_sdk_version_outdated")

-       public boolean isSlientMessage(EMMessage message)
+       public boolean isSilentMessage(EMMessage message)

-       public static boolean isSdcardExist() 
+       public static boolean isSDCardExist()