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 im.afterclass.android.fragment; import im.afterclass.android.Constant; import im.afterclass.android.DemoApplication; import im.afterclass.android.activity.GroupsActivity; import im.afterclass.android.activity.LoginActivity; import im.afterclass.android.db.InviteMessgeDao; import im.afterclass.android.db.UserDao; import im.afterclass.android.domain.InviteMessage; import im.afterclass.android.domain.User; import im.afterclass.android.domain.InviteMessage.InviteMesageStatus; import im.afterclass.android.fragment.ChatHistoryFragment; import im.afterclass.android.fragment.ContactlistFragment; import im.afterclass.android.utils.CommonUtils; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.UUID; import android.app.Activity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.support.v4.view.ViewPager.SimpleOnPageChangeListener; import android.text.TextUtils; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.animation.Animation; import android.view.animation.Animation.AnimationListener; import android.view.animation.AnimationUtils; import android.widget.Button; import android.widget.TextView; import com.easemob.chat.ConnectionListener; import com.easemob.chat.EMChat; import com.easemob.chat.EMChatManager; import com.easemob.chat.EMContactListener; import com.easemob.chat.EMContactManager; import com.easemob.chat.EMConversation; import com.easemob.chat.EMGroupManager; import com.easemob.chat.EMMessage; import com.easemob.chat.EMMessage.ChatType; import com.easemob.chat.EMMessage.Type; import com.easemob.chat.EMNotifier; import com.easemob.chat.GroupChangeListener; import com.easemob.chat.TextMessageBody; import im.afterclass.android.R; import com.easemob.util.HanziToPinyin; public class CommunicationFragment extends Fragment implements OnClickListener, AnimationListener { protected static final String TAG = "MainActivity"; public static Activity main; // ?textview private TextView unreadLabel; // textview private TextView unreadAddressLable; private Button[] mTabs; private ViewPager pager; private FragmentPagerAdapter adapter; private SimpleOnPageChangeListener changeListener; private ContactlistFragment contactListFragment; private ChatHistoryFragment chatHistoryFragment; private Fragment[] fragments; private int index; // ?fragmentindex private int currentTabIndex; private NewMessageBroadcastReceiver msgReceiver; // ? private boolean isConflict = false; private TextView mSearchText; private int mSortMode = -1; private int width; private int height; Animation animPushbottomin; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_communication, container, false); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); //mSearchText = new TextView(this); //setContentView(mSearchText); //getActivity().setTheme(android.R.style.Theme_WithActionBar); //setContentView(R.layout.activity_main); main = getActivity(); chatHistoryFragment = new ChatHistoryFragment(); contactListFragment = new ContactlistFragment(); fragments = new Fragment[] { chatHistoryFragment, contactListFragment }; initView(); inviteMessgeDao = new InviteMessgeDao(getActivity()); userDao = new UserDao(getActivity()); // fragment /*getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, chatHistoryFragment) .add(R.id.fragment_container, contactListFragment).hide(contactListFragment).show(chatHistoryFragment).commit();*/ // ?BroadcastReceiver msgReceiver = new NewMessageBroadcastReceiver(); IntentFilter intentFilter = new IntentFilter(EMChatManager.getInstance().getNewMessageBroadcastAction()); intentFilter.setPriority(3); getActivity().registerReceiver(msgReceiver, intentFilter); // ack?BroadcastReceiver IntentFilter ackMessageIntentFilter = new IntentFilter( EMChatManager.getInstance().getAckMessageBroadcastAction()); ackMessageIntentFilter.setPriority(3); getActivity().registerReceiver(ackMessageReceiver, ackMessageIntentFilter); // setContactListener??? EMContactManager.getInstance().setContactListener(new MyContactListener()); // ??listener EMChatManager.getInstance().addConnectionListener(new MyConnectionListener()); // ?listener EMGroupManager.getInstance().addGroupChangeListener(new MyGroupChangeListener()); // sdkUI ??receiverlistener, ??broadcast EMChat.getInstance().setAppInited(); } /** * ? */ private void initView() { unreadLabel = (TextView) getView().findViewById(R.id.unread_msg_number); unreadAddressLable = (TextView) getView().findViewById(R.id.unread_address_number); pager = (ViewPager) getView().findViewById(R.id.viewPager); adapter = new FragmentPagerAdapter(getActivity().getSupportFragmentManager()) { public int getCount() { return fragments.length; } public Fragment getItem(int position) { return fragments[position]; } }; changeListener = new SimpleOnPageChangeListener() { public void onPageSelected(int position) { mTabs[currentTabIndex].setSelected(false); mTabs[position].setSelected(true); currentTabIndex = position; } }; pager.setAdapter(adapter); pager.setCurrentItem(0); pager.setOnPageChangeListener(changeListener); mTabs = new Button[2]; mTabs[0] = (Button) getView().findViewById(R.id.btn_conversation); mTabs[1] = (Button) getView().findViewById(R.id.btn_address_list); mTabs[0].setOnClickListener(this); mTabs[1].setOnClickListener(this); // tab? mTabs[0].setSelected(true); // load the animation animPushbottomin = AnimationUtils.loadAnimation(getActivity().getApplicationContext(), R.anim.push_bottom_in); // set animation listener animPushbottomin.setAnimationListener(this); } /*@Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { default: return super.onOptionsItemSelected(item); } } public void onSort(MenuItem item) { mSortMode = item.getItemId(); Intent intent; switch (mSortMode) { case R.id.action_add_person: intent = new Intent(getActivity(),AddFriendActivity.class); startActivity(intent); getActivity().overridePendingTransition(R.anim.slide_in_from_left,0); break; case R.id.action_add_group: intent = new Intent(getActivity(),AddFriendActivity.class); startActivity(intent); break; case R.id.action_sort_scan: intent = new Intent(getActivity(),AddFriendActivity.class); startActivity(intent); break; default: // Request a call to onPrepareOptionsMenu so we can change the sort icon getActivity().invalidateOptionsMenu(); } } public boolean onQueryTextChange(String newText) { newText = newText.isEmpty() ? "" : "Query so far: " + newText; mSearchText.setText(newText); return true; } public boolean onQueryTextSubmit(String query) { Toast.makeText(getActivity(), "Searching for: " + query + "...", Toast.LENGTH_SHORT).show(); return true; }*/ /*private void showTopPopupWindow(View v){ if(!isOpen){ LayoutInflater inflater = LayoutInflater.from(this); View view = inflater.inflate(R.layout.vertical_popupwindow, null); ListView list = (ListView) view.findViewById(R.id.morelist); list.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1, getData())); mPopupWindow = new PopupWindow(view); list.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub switch(arg2){ case 0: break; case 1: break; case 2: Intent intent = new Intent(MainActivity.this,SettingsActivity.class); startActivity(intent); break; } mPopupWindow.dismiss(); } }); list.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED); mPopupWindow.setWidth(list.getMeasuredWidth()); mPopupWindow.setHeight((list.getMeasuredHeight()+20)*3); mPopupWindow.setTouchable(true); mPopupWindow.setFocusable(true); mPopupWindow.setOutsideTouchable(true); mPopupWindow.setBackgroundDrawable(new BitmapDrawable()); mPopupWindow.showAsDropDown(v); }else{ mPopupWindow.dismiss(); } }*/ @Override public void onClick(View v) { // TODO Auto-generated method stub switch (v.getId()) { case R.id.btn_conversation: index = 0; pager.setCurrentItem(0); break; case R.id.btn_address_list: index = 1; pager.setCurrentItem(1); break; } /*if (currentTabIndex != index) { FragmentTransaction trx = getSupportFragmentManager().beginTransaction(); trx.hide(fragments[currentTabIndex]); if (!fragments[index].isAdded()) { trx.add(R.id.fragment_container, fragments[index]); } trx.show(fragments[index]).commit(); }*/ mTabs[currentTabIndex].setSelected(false); // ?tab? mTabs[index].setSelected(true); currentTabIndex = index; } /** * button * * @param view */ public void onTabClicked(View view) { } @Override public void onDestroy() { super.onDestroy(); // try { getActivity().unregisterReceiver(msgReceiver); } catch (Exception e) { } try { getActivity().unregisterReceiver(ackMessageReceiver); } catch (Exception e) { } if (conflictBuilder != null) { conflictBuilder.create().dismiss(); conflictBuilder = null; } } /** * ? */ public void updateUnreadLabel() { int count = getUnreadMsgCountTotal(); if (count > 0) { unreadLabel.setText(String.valueOf(count)); unreadLabel.setVisibility(View.VISIBLE); } else { unreadLabel.setVisibility(View.INVISIBLE); } } /** * ?? */ public void updateUnreadAddressLable() { getActivity().runOnUiThread(new Runnable() { public void run() { int count = getUnreadAddressCountTotal(); if (count > 0) { unreadAddressLable.setText(String.valueOf(count)); unreadAddressLable.setVisibility(View.VISIBLE); } else { unreadAddressLable.setVisibility(View.INVISIBLE); } } }); } /** * ??? * * @return */ public int getUnreadAddressCountTotal() { int unreadAddressCountTotal = 0; if (DemoApplication.getInstance().getContactList().get(Constant.NEW_FRIENDS_USERNAME) != null) unreadAddressCountTotal = DemoApplication.getInstance().getContactList() .get(Constant.NEW_FRIENDS_USERNAME).getUnreadMsgCount(); return unreadAddressCountTotal; } /** * ?? * * @return */ public int getUnreadMsgCountTotal() { int unreadMsgCountTotal = 0; unreadMsgCountTotal = EMChatManager.getInstance().getUnreadMsgsCount(); return unreadMsgCountTotal; } /** * ? * * */ private class NewMessageBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { // ?id String msgId = intent.getStringExtra("msgid"); // message?db?id?mesage // EMMessage message = // EMChatManager.getInstance().getMessage(msgId); // bottom bar? updateUnreadLabel(); if (currentTabIndex == 0) { // ?????? if (chatHistoryFragment != null) { chatHistoryFragment.refresh(); } } // ?ChatActivity abortBroadcast(); } } /** * ?BroadcastReceiver */ private BroadcastReceiver ackMessageReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String msgid = intent.getStringExtra("msgid"); String from = intent.getStringExtra("from"); EMConversation conversation = EMChatManager.getInstance().getConversation(from); if (conversation != null) { // message EMMessage msg = conversation.getMessage(msgid); if (msg != null) { msg.isAcked = true; } } abortBroadcast(); } }; private InviteMessgeDao inviteMessgeDao; private UserDao userDao; /*** * ??listener * */ private class MyContactListener implements EMContactListener { @Override public void onContactAdded(List<String> usernameList) { // ?? Map<String, User> localUsers = DemoApplication.getInstance().getContactList(); Map<String, User> toAddUsers = new HashMap<String, User>(); for (String username : usernameList) { User user = new User(); user.setUsername(username); String headerName = null; if (!TextUtils.isEmpty(user.getNick())) { headerName = user.getNick(); } else { headerName = user.getUsername(); } if (username.equals(Constant.NEW_FRIENDS_USERNAME)) { user.setHeader(""); } else if (Character.isDigit(headerName.charAt(0))) { user.setHeader("#"); } else { user.setHeader(HanziToPinyin.getInstance().get(headerName.substring(0, 1)).get(0).target .substring(0, 1).toUpperCase()); char header = user.getHeader().toLowerCase().charAt(0); if (header < 'a' || header > 'z') { user.setHeader("#"); } } // bug??added if (!localUsers.containsKey(username)) { userDao.saveContact(user); } toAddUsers.put(username, user); } localUsers.putAll(toAddUsers); // ui if (currentTabIndex == 1) contactListFragment.refresh(); } @Override public void onContactDeleted(List<String> usernameList) { // Map<String, User> localUsers = DemoApplication.getInstance().getContactList(); for (String username : usernameList) { localUsers.remove(username); userDao.deleteContact(username); inviteMessgeDao.deleteMessage(username); } // ui if (currentTabIndex == 1) contactListFragment.refresh(); updateUnreadLabel(); } @Override public void onContactInvited(String username, String reason) { // ???(???)??????????? List<InviteMessage> msgs = inviteMessgeDao.getMessagesList(); for (InviteMessage inviteMessage : msgs) { if (inviteMessage.getFrom().equals(username)) { return; } } // ?javabean InviteMessage msg = new InviteMessage(); msg.setFrom(username); msg.setTime(System.currentTimeMillis()); msg.setReason(reason); Log.d(TAG, username + "?,reason: " + reason); // status msg.setStatus(InviteMesageStatus.BEINVITEED); notifyNewIviteMessage(msg); } @Override public void onContactAgreed(String username) { List<InviteMessage> msgs = inviteMessgeDao.getMessagesList(); for (InviteMessage inviteMessage : msgs) { if (inviteMessage.getFrom().equals(username)) { return; } } // ?javabean InviteMessage msg = new InviteMessage(); msg.setFrom(username); msg.setTime(System.currentTimeMillis()); Log.d(TAG, username + "???"); msg.setStatus(InviteMesageStatus.BEAGREED); notifyNewIviteMessage(msg); } @Override public void onContactRefused(String username) { //???,demo } } protected void notifyNewIviteMessage(InviteMessage msg) { // ?msg inviteMessgeDao.saveMessage(msg); // 1 User user = DemoApplication.getInstance().getContactList().get(Constant.NEW_FRIENDS_USERNAME); user.setUnreadMsgCount(user.getUnreadMsgCount() + 1); // ??? EMNotifier.getInstance(getActivity().getApplicationContext()).notifyOnNewMsg(); // bottom bar? updateUnreadAddressLable(); // ??ui if (currentTabIndex == 1) contactListFragment.refresh(); } /** * ?listener * */ private class MyConnectionListener implements ConnectionListener { @Override public void onConnected() { Log.i("Connect!!!", "Connect Successfully!!!"); //chatHistoryFragment.errorItem.setVisibility(View.GONE); } @Override public void onDisConnected(String errorString) { if (errorString != null && errorString.contains("conflict")) { // ??dialog showConflictDialog(); } else { chatHistoryFragment.errorItem.setVisibility(View.VISIBLE); chatHistoryFragment.errorText.setText("???"); } } @Override public void onReConnected() { chatHistoryFragment.errorItem.setVisibility(View.GONE); } @Override public void onReConnecting() { } @Override public void onConnecting(String progress) { } } /** * MyGroupChangeListener */ private class MyGroupChangeListener implements GroupChangeListener { @Override public void onInvitationReceived(String groupId, String groupName, String inviter, String reason) { // EMMessage msg = EMMessage.createReceiveMessage(Type.TXT); msg.setChatType(ChatType.GroupChat); msg.setFrom(inviter); msg.setTo(groupId); msg.setMsgId(UUID.randomUUID().toString()); msg.addBody(new TextMessageBody(inviter + "?")); // ?? EMChatManager.getInstance().saveMessage(msg); // ??? EMNotifier.getInstance(getActivity().getApplicationContext()).notifyOnNewMsg(); getActivity().runOnUiThread(new Runnable() { public void run() { updateUnreadLabel(); // ui if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtils.getTopActivity(getActivity()).equals(GroupsActivity.class.getName())) { GroupsActivity.instance.onResume(); } } }); } @Override public void onInvitationAccpted(String groupId, String inviter, String reason) { } @Override public void onInvitationDeclined(String groupId, String invitee, String reason) { } @Override public void onUserRemoved(String groupId, String groupName) { // ??Tdemo? // ui getActivity().runOnUiThread(new Runnable() { public void run() { try { updateUnreadLabel(); if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtils.getTopActivity(getActivity()).equals(GroupsActivity.class.getName())) { GroupsActivity.instance.onResume(); } } catch (Exception e) { Log.e("###", "refresh exception " + e.getMessage()); } } }); } @Override public void onGroupDestroy(String groupId, String groupName) { // // ??,demo? // ui getActivity().runOnUiThread(new Runnable() { public void run() { updateUnreadLabel(); if (currentTabIndex == 0) chatHistoryFragment.refresh(); if (CommonUtils.getTopActivity(getActivity()).equals(GroupsActivity.class.getName())) { GroupsActivity.instance.onResume(); } } }); } } @Override public void onResume() { super.onResume(); if (!isConflict) { updateUnreadLabel(); updateUnreadAddressLable(); } } /*@Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { moveTaskToBack(false); return true; } return super.onKeyDown(keyCode, event); }*/ private android.app.AlertDialog.Builder conflictBuilder; /** * ??dialog */ private void showConflictDialog() { DemoApplication.getInstance().logout(); if (!getActivity().isFinishing()) { // clear up global variables try { if (conflictBuilder == null) conflictBuilder = new android.app.AlertDialog.Builder(getActivity()); conflictBuilder.setTitle(""); conflictBuilder.setMessage(R.string.connect_conflict); conflictBuilder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); conflictBuilder = null; getActivity().finish(); startActivity(new Intent(getActivity(), LoginActivity.class)); } }); conflictBuilder.setCancelable(false); conflictBuilder.create().show(); isConflict = true; } catch (Exception e) { Log.e("###", "---------color conflictBuilder error" + e.getMessage()); } } } @Override public void onAnimationEnd(Animation animation) { // Take any action after completing the animation // check for fade in animation if (animation == animPushbottomin) { // Toast.makeText(getApplicationContext(), "Animation Stopped", // Toast.LENGTH_SHORT).show(); } } @Override public void onAnimationRepeat(Animation animation) { // TODO Auto-generated method stub } @Override public void onAnimationStart(Animation animation) { // TODO Auto-generated method stub } /*class ItemClickListener implements OnItemClickListener { public void onItemClick(AdapterView<?> arg0,//The AdapterView where the click happened View arg1,//The view within the AdapterView that was clicked int arg2,//The position of the view in the adapter long arg3//The row id of the item that was clicked ) { //arg2=arg3 HashMap<String, Object> item=(HashMap<String, Object>) arg0.getItemAtPosition(arg2); //ItemItemText SharedPreferences.Editor editor = sp.edit(); String themelist = sp.getString("themelist", "*?**?*?**?***?**?**KTV*****?"); themearray = themelist.split(Pattern.quote("*")); // editor.putInt("theme_type", arg2); editor.putString("theme_type", themearray[arg2]); editor.commit(); getActivity().setTitle((String)item.get("ItemText")); Intent intent = new Intent(getActivity(),CreateActivity.class); mPopupWindow.dismiss(); startActivity(intent); getActivity().finish(); getActivity().overridePendingTransition(R.anim.head_in,R.anim.head_out); } }*/ }