Java tutorial
/** * Copyright (C) 2016 Hyphenate Inc. 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.hyphenate.chatuidemo.ui; import android.annotation.SuppressLint; import android.annotation.TargetApi; 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.support.annotation.NonNull; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentTransaction; import android.support.v4.content.LocalBroadcastManager; import android.view.KeyEvent; import android.view.View; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import com.easemob.redpacketsdk.constant.RPConstant; import com.easemob.redpacketui.utils.RedPacketUtil; 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.chatuidemo.Constant; import com.hyphenate.chatuidemo.DemoHelper; import com.hyphenate.chatuidemo.R; import com.hyphenate.chatuidemo.db.InviteMessgeDao; import com.hyphenate.chatuidemo.db.UserDao; import com.hyphenate.chatuidemo.runtimepermissions.PermissionsManager; import com.hyphenate.chatuidemo.runtimepermissions.PermissionsResultAction; import com.hyphenate.easeui.utils.EaseCommonUtils; import com.hyphenate.util.EMLog; import com.umeng.analytics.MobclickAgent; import com.umeng.update.UmengUpdateAgent; import java.util.List; @SuppressLint("NewApi") public class MainActivity extends BaseActivity { protected static final String TAG = "MainActivity"; // 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; /** * check if current user account was remove */ public boolean getCurrentAccountRemoved() { return isCurrentAccountRemoved; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); 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(android.provider.Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS); intent.setData(Uri.parse("package:" + packageName)); startActivity(intent); } } //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)) { DemoHelper.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; } setContentView(R.layout.em_activity_main); // runtime permission for android 6.0, just require all permissions here for simple requestPermissions(); initView(); //umeng api MobclickAgent.updateOnlineConfig(this); UmengUpdateAgent.setUpdateOnlyWifi(false); UmengUpdateAgent.update(this); showExceptionDialogFromIntent(getIntent()); inviteMessgeDao = new InviteMessgeDao(this); UserDao userDao = new UserDao(this); conversationListFragment = new ConversationListFragment(); contactListFragment = new ContactListFragment(); SettingsFragment settingFragment = new SettingsFragment(); fragments = new Fragment[] { conversationListFragment, contactListFragment, settingFragment }; getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, conversationListFragment) .add(R.id.fragment_container, contactListFragment).hide(contactListFragment) .show(conversationListFragment).commit(); //register broadcast receiver to receive the change of group from DemoHelper registerBroadcastReceiver(); EMClient.getInstance().contactManager().setContactListener(new MyContactListener()); //debug purpose only registerInternalDebugReceiver(); } @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(); } }); } /** * init views */ private void initView() { unreadLabel = (TextView) findViewById(R.id.unread_msg_number); unreadAddressLable = (TextView) findViewById(R.id.unread_address_number); mTabs = new Button[3]; mTabs[0] = (Button) findViewById(R.id.btn_conversation); mTabs[1] = (Button) findViewById(R.id.btn_address_list); mTabs[2] = (Button) findViewById(R.id.btn_setting); // select first tab mTabs[0].setSelected(true); } /** * 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; } EMMessageListener messageListener = new EMMessageListener() { @Override public void onMessageReceived(List<EMMessage> messages) { // notify new message for (EMMessage message : messages) { DemoHelper.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 onMessageReadAckReceived(List<EMMessage> messages) { } @Override public void onMessageDeliveryAckReceived(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) { 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(); } } }); } @Override public void onContactInvited(String username, String reason) { } @Override public void onContactAgreed(String username) { } @Override public void onContactRefused(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(); 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(); 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().getUnreadMsgsCount(); 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(); if (!isConflict && !isCurrentAccountRemoved) { updateUnreadLabel(); updateUnreadAddressLable(); } // unregister this event listener when this activity enters the // background DemoHelper sdkHelper = DemoHelper.getInstance(); sdkHelper.pushActivity(this); EMClient.getInstance().chatManager().addMessageListener(messageListener); } @Override protected void onStop() { EMClient.getInstance().chatManager().removeMessageListener(messageListener); DemoHelper sdkHelper = DemoHelper.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 android.app.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; DemoHelper.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 android.app.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); } /** * debug purpose only, you can ignore this */ private void registerInternalDebugReceiver() { internalDebugReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { DemoHelper.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); } }