Java tutorial
/** * Copyright (C) 2016 Hyphenate Inc. All rights reserved. * <p> * 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 cn.ucai.wechat.ui; import android.annotation.SuppressLint; import android.annotation.TargetApi; import android.app.AlertDialog; import android.content.BroadcastReceiver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.PowerManager; import android.provider.Settings; import android.support.annotation.NonNull; import android.support.v4.app.Fragment; import android.support.v4.content.LocalBroadcastManager; import android.support.v4.view.ViewPager; import android.view.KeyEvent; import android.view.View; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import com.easemob.redpacket.utils.RedPacketUtil; import com.easemob.redpacketsdk.constant.RPConstant; import com.hyphenate.EMCallBack; import com.hyphenate.EMContactListener; import com.hyphenate.EMMessageListener; import com.hyphenate.chat.EMClient; import com.hyphenate.chat.EMCmdMessageBody; import com.hyphenate.chat.EMConversation; import com.hyphenate.chat.EMConversation.EMConversationType; import com.hyphenate.chat.EMMessage; import com.hyphenate.easeui.utils.EaseCommonUtils; import com.hyphenate.easeui.widget.EaseTitleBar; import com.hyphenate.util.EMLog; import com.hyphenate.util.NetUtils; import com.umeng.analytics.MobclickAgent; import com.umeng.update.UmengUpdateAgent; import java.util.List; import butterknife.BindView; import butterknife.ButterKnife; import cn.ucai.wechat.Constant; import cn.ucai.wechat.I; import cn.ucai.wechat.R; import cn.ucai.wechat.WeChatHelper; import cn.ucai.wechat.adapter.MainTabAdapter; import cn.ucai.wechat.db.InviteMessgeDao; import cn.ucai.wechat.db.UserDao; import cn.ucai.wechat.runtimepermissions.PermissionsManager; import cn.ucai.wechat.runtimepermissions.PermissionsResultAction; import cn.ucai.wechat.utils.L; import cn.ucai.wechat.utils.MFGT; import cn.ucai.wechat.widget.DMTabHost; import cn.ucai.wechat.widget.MFViewPager; import cn.ucai.wechat.widget.TitleMenu.ActionItem; import cn.ucai.wechat.widget.TitleMenu.TitlePopup; @SuppressLint("NewApi") public class MainActivity extends BaseActivity implements ViewPager.OnPageChangeListener, DMTabHost.OnCheckedChangeListener { protected static final String TAG = "MainActivity"; // @BindView(R.id.txt_left) // TextView mTxtLeft; @BindView(R.id.layout_viewpage) MFViewPager mLayoutViewpage; @BindView(R.id.layout_tabhost) DMTabHost mLayoutTabhost; @BindView(R.id.title_bar) EaseTitleBar mTitleBar; // textview for unread message count ?? // private TextView unreadLabel; // textview for unread event message ? // private TextView unreadAddressLable; private Button[] mTabs; private ContactListFragment contactListFragment; private Fragment[] fragments; private int index; private int currentTabIndex; // user logged into another device public boolean isConflict = false; // user account was removed private boolean isCurrentAccountRemoved = false; MainTabAdapter adapter; TitlePopup mTitlePopup; /** * check if current user account was remove */ public boolean getCurrentAccountRemoved() { return isCurrentAccountRemoved; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); savePower(); checkAccount(savedInstanceState); setContentView(R.layout.em_activity_main); ButterKnife.bind(this); // runtime permission for android 6.0, just require all permissions here for simple requestPermissions(); initView(); // ?api UmengAPIInit(); showExceptionDialogFromIntent(getIntent()); inviteMessgeDao = new InviteMessgeDao(this); UserDao userDao = new UserDao(this); initFragment(); //register broadcast receiver to receive the change of group from WeChatHelper registerBroadcastReceiver(); EMClient.getInstance().contactManager().setContactListener(new MyContactListener()); //debug purpose only registerInternalDebugReceiver(); } /** * TitlePopup? * "?" */ TitlePopup.OnItemOnClickListener mOnItemOnClickListener = new TitlePopup.OnItemOnClickListener() { @Override public void onItemClick(ActionItem item, int position) { if (position == 1) { MFGT.gotoAddContactActivity(MainActivity.this); } } }; /** * init views */ private void initView() { mTitlePopup = new TitlePopup(MainActivity.this); mTitlePopup .addAction(new ActionItem(MainActivity.this, R.string.menu_groupchat, R.drawable.icon_menu_group)); mTitlePopup.addAction( new ActionItem(MainActivity.this, R.string.menu_addfriend, R.drawable.icon_menu_addfriend)); mTitlePopup.addAction(new ActionItem(MainActivity.this, R.string.menu_qrcode, R.drawable.icon_menu_sao)); mTitlePopup.addAction(new ActionItem(MainActivity.this, R.string.menu_money, R.drawable.icon_menu_money)); mTitlePopup.setItemOnClickListener(mOnItemOnClickListener); mTitleBar.setRightLayoutClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (NetUtils.hasDataConnection(MainActivity.this)) { showPopup(); } } }); } private void showPopup() { mTitlePopup.show(mTitleBar); } private void initFragment() { conversationListFragment = new ConversationListFragment(); contactListFragment = new ContactListFragment(); SettingsActivity settingActivity = new SettingsActivity(); FragmentProfile fragmentProfile = new FragmentProfile(); fragments = new Fragment[] { conversationListFragment, contactListFragment, fragmentProfile }; adapter = new MainTabAdapter(getSupportFragmentManager()); adapter.addFragment(conversationListFragment, getString(R.string.app_name)); adapter.addFragment(contactListFragment, getString(R.string.contacts)); adapter.addFragment(new DiscoverFragment(), getString(R.string.discover)); adapter.addFragment(fragmentProfile, getString(R.string.setting)); mLayoutViewpage.setAdapter(adapter); // viewPagetabHost?? mLayoutViewpage.setOnPageChangeListener(this); mLayoutTabhost.setOnCheckedChangeListener(this); mLayoutTabhost.setChecked(0); // getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, conversationListFragment) // .add(R.id.fragment_container, contactListFragment).hide(contactListFragment).show(conversationListFragment) // .commit(); } private void UmengAPIInit() { //umeng api MobclickAgent.updateOnlineConfig(this); UmengUpdateAgent.setUpdateOnlyWifi(false); UmengUpdateAgent.update(this); } private void checkAccount(Bundle savedInstanceState) { //make sure activity will not in background if user is logged into another device or removed if (savedInstanceState != null && savedInstanceState.getBoolean(Constant.ACCOUNT_REMOVED, false)) { WeChatHelper.getInstance().logout(false, null); finish(); startActivity(new Intent(this, LoginActivity.class)); return; } else if (savedInstanceState != null && savedInstanceState.getBoolean("isConflict", false)) { finish(); startActivity(new Intent(this, LoginActivity.class)); return; } } private void savePower() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { String packageName = getPackageName(); PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); if (!pm.isIgnoringBatteryOptimizations(packageName)) { Intent intent = new Intent(); intent.setAction(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS); intent.setData(Uri.parse("package:" + packageName)); startActivity(intent); } } } @TargetApi(23) private void requestPermissions() { PermissionsManager.getInstance().requestAllManifestPermissionsIfNecessary(this, new PermissionsResultAction() { @Override public void onGranted() { // Toast.makeText(MainActivity.this, "All permissions have been granted", Toast.LENGTH_SHORT).show(); } @Override public void onDenied(String permission) { //Toast.makeText(MainActivity.this, "Permission " + permission + " has been denied", Toast.LENGTH_SHORT).show(); } }); } /** * on tab clicked * * @param view */ public void onTabClicked(View view) { // switch (view.getId()) { // case R.id.btn_conversation: // index = 0; // break; // case R.id.btn_address_list: // index = 1; // break; // case R.id.btn_setting: // index = 2; // 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); // // set current tab selected // mTabs[index].setSelected(true); // currentTabIndex = index; // currentTabIndex?? } EMMessageListener messageListener = new EMMessageListener() { @Override public void onMessageReceived(List<EMMessage> messages) { // notify new message for (EMMessage message : messages) { WeChatHelper.getInstance().getNotifier().onNewMsg(message); } refreshUIWithMessage(); } @Override public void onCmdMessageReceived(List<EMMessage> messages) { //red packet code : ??? for (EMMessage message : messages) { EMCmdMessageBody cmdMsgBody = (EMCmdMessageBody) message.getBody(); final String action = cmdMsgBody.action();//?action if (action.equals(RPConstant.REFRESH_GROUP_RED_PACKET_ACTION)) { RedPacketUtil.receiveRedPacketAckMessage(message); } } //end of red packet code refreshUIWithMessage(); } @Override public void onMessageRead(List<EMMessage> messages) { } @Override public void onMessageDelivered(List<EMMessage> message) { } @Override public void onMessageChanged(EMMessage message, Object change) { } }; private void refreshUIWithMessage() { runOnUiThread(new Runnable() { public void run() { // refresh unread count updateUnreadLabel(); if (currentTabIndex == 0) { // refresh conversation list if (conversationListFragment != null) { conversationListFragment.refresh(); } } } }); } @Override public void back(View view) { super.back(view); } private void registerBroadcastReceiver() { broadcastManager = LocalBroadcastManager.getInstance(this); IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(Constant.ACTION_CONTACT_CHANAGED); intentFilter.addAction(Constant.ACTION_GROUP_CHANAGED); intentFilter.addAction(RPConstant.REFRESH_GROUP_RED_PACKET_ACTION); broadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { updateUnreadLabel(); updateUnreadAddressLable(); if (currentTabIndex == 0) { // refresh conversation list if (conversationListFragment != null) { conversationListFragment.refresh(); } } else if (currentTabIndex == 1) { // currentTabIndex=1? if (contactListFragment != null) { contactListFragment.refresh();// ? } } String action = intent.getAction(); if (action.equals(Constant.ACTION_GROUP_CHANAGED)) { if (EaseCommonUtils.getTopActivity(MainActivity.this).equals(GroupsActivity.class.getName())) { GroupsActivity.instance.onResume(); } } //red packet code : ??? if (action.equals(RPConstant.REFRESH_GROUP_RED_PACKET_ACTION)) { if (conversationListFragment != null) { conversationListFragment.refresh(); } } //end of red packet code } }; broadcastManager.registerReceiver(broadcastReceiver, intentFilter); } public class MyContactListener implements EMContactListener { @Override public void onContactAdded(String username) { } @Override public void onContactDeleted(final String username) { runOnUiThread(new Runnable() { public void run() { if (ChatActivity.activityInstance != null && ChatActivity.activityInstance.toChatUsername != null && username.equals(ChatActivity.activityInstance.toChatUsername)) { String st10 = getResources().getString(R.string.have_you_removed); Toast.makeText(MainActivity.this, ChatActivity.activityInstance.getToChatUsername() + st10, Toast.LENGTH_LONG).show(); ChatActivity.activityInstance.finish(); } } }); updateUnreadAddressLable(); } @Override public void onContactInvited(String username, String reason) { } @Override public void onFriendRequestAccepted(String username) { } @Override public void onFriendRequestDeclined(String username) { } } private void unregisterBroadcastReceiver() { broadcastManager.unregisterReceiver(broadcastReceiver); } @Override protected void onDestroy() { super.onDestroy(); if (exceptionBuilder != null) { exceptionBuilder.create().dismiss(); exceptionBuilder = null; isExceptionDialogShow = false; } unregisterBroadcastReceiver(); try { unregisterReceiver(internalDebugReceiver); } catch (Exception e) { } } /** * update unread message count */ public void updateUnreadLabel() { int count = getUnreadMsgCountTotal(); mLayoutTabhost.setUnreadCount(0, count); // if (count > 0) { // unreadLabel.setText(String.valueOf(count)); // unreadLabel.setVisibility(View.VISIBLE); // } else { // unreadLabel.setVisibility(View.INVISIBLE); // } } /** * update the total unread count */ public void updateUnreadAddressLable() { runOnUiThread(new Runnable() { public void run() { int count = getUnreadAddressCountTotal(); mLayoutTabhost.setHasNew(1, count > 0); // if (count > 0) { // unreadAddressLable.setVisibility(View.VISIBLE); // } else { // unreadAddressLable.setVisibility(View.INVISIBLE); // } } }); } /** * get unread event notification count, including application, accepted, etc * * @return */ public int getUnreadAddressCountTotal() { int unreadAddressCountTotal = 0; unreadAddressCountTotal = inviteMessgeDao.getUnreadMessagesCount(); return unreadAddressCountTotal; } /** * get unread message count * * @return */ public int getUnreadMsgCountTotal() { int unreadMsgCountTotal = 0; int chatroomUnreadMsgCount = 0; unreadMsgCountTotal = EMClient.getInstance().chatManager().getUnreadMessageCount(); for (EMConversation conversation : EMClient.getInstance().chatManager().getAllConversations().values()) { if (conversation.getType() == EMConversationType.ChatRoom) chatroomUnreadMsgCount = chatroomUnreadMsgCount + conversation.getUnreadMsgCount(); } return unreadMsgCountTotal - chatroomUnreadMsgCount; } private InviteMessgeDao inviteMessgeDao; @Override protected void onResume() { super.onResume(); boolean isFromChat = getIntent().getBooleanExtra(I.IS_FROM_CHAT, false); L.e(TAG, "onResume, isFromChat = " + isFromChat); if (isFromChat) { mLayoutTabhost.setChecked(0); mLayoutViewpage.setCurrentItem(0); } if (!isConflict && !isCurrentAccountRemoved) { updateUnreadLabel(); updateUnreadAddressLable(); } // unregister this event listener when this activity enters the // background WeChatHelper sdkHelper = WeChatHelper.getInstance(); sdkHelper.pushActivity(this); EMClient.getInstance().chatManager().addMessageListener(messageListener); } @Override protected void onStop() { EMClient.getInstance().chatManager().removeMessageListener(messageListener); WeChatHelper sdkHelper = WeChatHelper.getInstance(); sdkHelper.popActivity(this); super.onStop(); } @Override protected void onSaveInstanceState(Bundle outState) { outState.putBoolean("isConflict", isConflict); outState.putBoolean(Constant.ACCOUNT_REMOVED, isCurrentAccountRemoved); super.onSaveInstanceState(outState); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { moveTaskToBack(false); return true; } return super.onKeyDown(keyCode, event); } private AlertDialog.Builder exceptionBuilder; private boolean isExceptionDialogShow = false; private BroadcastReceiver internalDebugReceiver; private ConversationListFragment conversationListFragment; private BroadcastReceiver broadcastReceiver; private LocalBroadcastManager broadcastManager; private int getExceptionMessageId(String exceptionType) { if (exceptionType.equals(Constant.ACCOUNT_CONFLICT)) { return R.string.connect_conflict; } else if (exceptionType.equals(Constant.ACCOUNT_REMOVED)) { return R.string.em_user_remove; } else if (exceptionType.equals(Constant.ACCOUNT_FORBIDDEN)) { return R.string.user_forbidden; } return R.string.Network_error; } /** * show the dialog when user met some exception: such as login on another device, user removed or user forbidden */ private void showExceptionDialog(String exceptionType) { isExceptionDialogShow = true; WeChatHelper.getInstance().logout(false, null); String st = getResources().getString(R.string.Logoff_notification); if (!MainActivity.this.isFinishing()) { // clear up global variables try { if (exceptionBuilder == null) exceptionBuilder = new AlertDialog.Builder(MainActivity.this); exceptionBuilder.setTitle(st); exceptionBuilder.setMessage(getExceptionMessageId(exceptionType)); exceptionBuilder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); exceptionBuilder = null; isExceptionDialogShow = false; finish(); Intent intent = new Intent(MainActivity.this, LoginActivity.class); intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); } }); exceptionBuilder.setCancelable(false); exceptionBuilder.create().show(); isConflict = true; } catch (Exception e) { EMLog.e(TAG, "---------color conflictBuilder error" + e.getMessage()); } } } private void showExceptionDialogFromIntent(Intent intent) { EMLog.e(TAG, "showExceptionDialogFromIntent"); if (!isExceptionDialogShow && intent.getBooleanExtra(Constant.ACCOUNT_CONFLICT, false)) { showExceptionDialog(Constant.ACCOUNT_CONFLICT); } else if (!isExceptionDialogShow && intent.getBooleanExtra(Constant.ACCOUNT_REMOVED, false)) { showExceptionDialog(Constant.ACCOUNT_REMOVED); } else if (!isExceptionDialogShow && intent.getBooleanExtra(Constant.ACCOUNT_FORBIDDEN, false)) { showExceptionDialog(Constant.ACCOUNT_FORBIDDEN); } } @Override protected void onNewIntent(Intent intent) { super.onNewIntent(intent); showExceptionDialogFromIntent(intent); // getIntent()??true,? // boolean isFromChat = intent.getBooleanExtra(I.IS_FROM_CHAT, false); // L.e(TAG, "onNewIntent, isFromChat = "+isFromChat); // if (isFromChat) { // mLayoutTabhost.setChecked(0); // mLayoutViewpage.setCurrentItem(0); // } setIntent(intent); } /** * debug purpose only, you can ignore this */ private void registerInternalDebugReceiver() { internalDebugReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { WeChatHelper.getInstance().logout(false, new EMCallBack() { @Override public void onSuccess() { runOnUiThread(new Runnable() { public void run() { finish(); startActivity(new Intent(MainActivity.this, LoginActivity.class)); } }); } @Override public void onProgress(int progress, String status) { } @Override public void onError(int code, String message) { } }); } }; IntentFilter filter = new IntentFilter(getPackageName() + ".em_internal_debug"); registerReceiver(internalDebugReceiver, filter); } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { PermissionsManager.getInstance().notifyPermissionsChange(permissions, grantResults); } @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { } @Override public void onPageSelected(int position) { mLayoutTabhost.setChecked(position); currentTabIndex = position; // currentTabIndex,registerBroadcastReceiver()?? } @Override public void onPageScrollStateChanged(int state) { } @Override public void onCheckedChange(int checkedPosition, boolean byUser) { mLayoutViewpage.setCurrentItem(checkedPosition, false); currentTabIndex = checkedPosition; // currentTabIndex,registerBroadcastReceiver()?? } }