Java tutorial
/** * Copyright (C) 2013-2014 EaseMob Technologies. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.imalu.alyou.activity; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.apache.http.Header; import org.json.JSONArray; import org.json.JSONObject; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnTouchListener; import android.view.WindowManager; import android.view.inputmethod.InputMethodManager; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import com.easemob.EMCallBack; import com.easemob.chat.EMChatManager; import com.easemob.chat.EMGroup; import com.easemob.chat.EMGroupManager; import com.imalu.alyou.AlUApplication; import com.imalu.alyou.R; import com.imalu.alyou.adapter.GroupAdapter; import com.imalu.alyou.db.gen.User; import com.imalu.alyou.domain.Friend; import com.imalu.alyou.domain.Friends; import com.imalu.alyou.domain.ConversationGroup; import com.imalu.alyou.net.JsonHttpResponseHandler; import com.imalu.alyou.net.NetManager; import com.imalu.alyou.net.request.GroupKeyRequest; import com.imalu.alyou.net.request.LoginRequest; import com.imalu.alyou.net.request.UserKeyRequest; import com.imalu.alyou.net.response.FriendInfo; import com.imalu.alyou.net.response.GroupListResponse; import com.imalu.alyou.net.response.GroupMemberResponse; import com.imalu.alyou.net.response.MemberListResponse; import com.imalu.alyou.net.response.UserGroupResponse; import com.imalu.alyou.net.response.UserInfo; public class GroupsActivity extends BaseActivity { private ListView groupListView; private GroupAdapter groupAdapter; private InputMethodManager inputMethodManager; public static GroupsActivity instance; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.fragment_groups); instance = this; inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); UserKeyRequest userKeyReq = new UserKeyRequest(); userKeyReq.setUserKey(AlUApplication.getMyInfo().getKey()); NetManager.execute(NetManager.GROUPS_REQUEST_OPERATION, userKeyReq, new JsonHttpResponseHandler() { @Override public void onSuccess(int statusCode, Header[] headers, JSONArray response) { try { GroupListResponse groups = new GroupListResponse(); groups.setJsonObject(response); AlUApplication.setGroups(groups); for (Iterator<ConversationGroup> iter = AlUApplication.getGroups().getConversationGroupList() .iterator(); iter.hasNext();) { ConversationGroup group = (ConversationGroup) iter.next(); GroupKeyRequest groupKeyReq = new GroupKeyRequest(); groupKeyReq.setGroupKey(group.getGroupKey()); NetManager.execute(NetManager.GROUP_MEMBER_REQUEST_OPERATION, groupKeyReq, new JsonHttpResponseHandler() { @Override public void onSuccess(int statusCode, Header[] headers, JSONArray response) { try { MemberListResponse memberlistRes = new MemberListResponse(); memberlistRes.setJsonObject(response); AlUApplication.setGroupMemberList(memberlistRes); } catch (Exception e) { e.printStackTrace(); } } }); } generateList(); } catch (Exception e) { e.printStackTrace(); } } }); } public void generateList() { // grouplist = EMGroupManager.getInstance().getAllGroups(); groupListView = (ListView) findViewById(R.id.list); groupAdapter = new GroupAdapter(this, R.layout.row_group, AlUApplication.getGroups().getConversationGroupList()); groupListView.setAdapter(groupAdapter); groupListView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // if (position == groupAdapter.getCount() - 1) { // //? // startActivityForResult(new Intent(GroupsActivity.this, NewGroupActivity.class), 0); // } else { //? Intent intent = new Intent(GroupsActivity.this, ChatActivity.class); // it is group chat intent.putExtra("chatType", ChatActivity.CHATTYPE_GROUP); intent.putExtra("groupId", groupAdapter.getItem(position).getGroupKey()); intent.putExtra("groupName", groupAdapter.getItem(position).getGroupName()); startActivityForResult(intent, 0); // } } }); groupListView.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { if (getWindow() .getAttributes().softInputMode != WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN) { if (getCurrentFocus() != null) inputMethodManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS); } return false; } }); ImageView addContactView = (ImageView) findViewById(R.id.iv_new_group); addContactView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { startActivity(new Intent(GroupsActivity.this, NewGroupActivity.class)); } }); } /** * ? */ public void onPublicGroups(View view) { startActivity(new Intent(this, PublicGroupsActivity.class)); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); } @Override public void onResume() { super.onResume(); // grouplist = EMGroupManager.getInstance().getAllGroups(); // groupAdapter = new GroupAdapter(this, 1, grouplist); // groupListView.setAdapter(groupAdapter); // groupAdapter.notifyDataSetChanged(); } @Override protected void onDestroy() { super.onDestroy(); instance = null; } /** * * @param view */ public void back(View view) { finish(); } }