1 /* 2 * Copyright (C) 2007 Esmertec AG. 3 * Copyright (C) 2007 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.im.engine; 19 20 public interface GroupMemberListener { 21 /** 22 * Notifies that a contact has joined into this group. 23 * 24 * @param contact the contact who has joined into this group. 25 */ onMemberJoined(ChatGroup group, Contact contact)26 public void onMemberJoined(ChatGroup group, Contact contact); 27 28 /** 29 * Notifies that a contact has left this group. 30 * 31 * @param contact the contact who has left the group. 32 */ onMemberLeft(ChatGroup group, Contact contact)33 public void onMemberLeft(ChatGroup group, Contact contact); 34 35 /** 36 * Called when a previous request to add or remove a member to/from a 37 * group failed. 38 * 39 * @param error the error information 40 */ onError(ChatGroup group, ImErrorInfo error)41 public void onError(ChatGroup group, ImErrorInfo error); 42 } 43