E/AndroidRuntime( 1874): java.lang.NullPointerException: Attempt to invoke virtual method 'long com.hyphenate.chat.EMMessage.getMsgTime()' on a null object reference
E/AndroidRuntime( 1874): at com.easemob.im_flutter_sdk.EMChatManagerWrapper$5.compare(EMChatManagerWrapper.java:413)
E/AndroidRuntime( 1874): java.lang.NullPointerException: Attempt to invoke virtual method 'long com.hyphenate.chat.EMMessage.getMsgTime()' on a null object reference E/AndroidRuntime( 1874): at com.easemob.im_flutter_sdk.EMChatManagerWrapper$5.compare(EMChatManagerWrapper.java:413)