毕业设计项目：基于环信以及leanCloud作为后台的即时通讯项目

package com.hyphenate.easeui.ui; import android.app.Activity; import android.app.ProgressDialog; import android.content.ClipboardManager; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.provider.MediaStore; import android.support.v4.widget.SwipeRefreshLayout; import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener; import android.view.Gravity; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnTouchListener; import android.view.ViewGroup; import android.view.WindowManager; import android.view.inputmethod.InputMethodManager; import android.widget.ListView; import android.widget.Toast; import com.hyphenate.EMChatRoomChangeListener; import com.hyphenate.EMMessageListener; import com.hyphenate.EMValueCallBack; import com.hyphenate.chat.EMChatRoom; import com.hyphenate.chat.EMClient; import com.hyphenate.chat.EMConversation; import com.hyphenate.chat.EMGroup; import com.hyphenate.chat.EMImageMessageBody; import com.hyphenate.chat.EMMessage; import com.hyphenate.chat.EMMessage.ChatType; import com.hyphenate.chat.EMTextMessageBody; import com.hyphenate.easeui.EaseConstant; import com.hyphenate.easeui.R; import com.hyphenate.easeui.controller.EaseUI; import com.hyphenate.easeui.domain.EaseEmojicon; import com.hyphenate.easeui.domain.EaseUser; import com.hyphenate.easeui.model.EaseAtMessageHelper; import com.hyphenate.easeui.utils.EaseCommonUtils; import com.hyphenate.easeui.utils.EaseUserUtils; import com.hyphenate.easeui.utils.ThreadUtils; import com.hyphenate.easeui.widget.EaseAlertDialog; import com.hyphenate.easeui.widget.EaseAlertDialog.AlertDialogUser; import com.hyphenate.easeui.widget.EaseChatExtendMenu; import com.hyphenate.easeui.widget.EaseChatInputMenu; import com.hyphenate.easeui.widget.EaseChatInputMenu.ChatInputMenuListener; import com.hyphenate.easeui.widget.EaseChatMessageList; import com.hyphenate.easeui.widget.EaseVoiceRecorderView; import com.hyphenate.easeui.widget.EaseVoiceRecorderView.EaseVoiceRecorderCallback; import com.hyphenate.easeui.widget.chatrow.EaseCustomChatRowProvider; import com.hyphenate.exceptions.EMServiceNotReadyException; import com.hyphenate.util.EMLog; import com.hyphenate.util.PathUtil; import java.io.File; import java.util.List; /** * you can new an EaseChatFragment to use or you can inherit it to expand. * You need call setArguments to pass chatType and userId * <br/> * <br/> * you can see ChatActivity in demo for your reference */ public class EaseChatFragment extends EaseBaseFragment implements EMMessageListener { protected static final String TAG = "EaseChatFragment"; protected static final int REQUEST_CODE_MAP = 1; protected static final int REQUEST_CODE_CAMERA = 2; protected static final int REQUEST_CODE_LOCAL = 3; /** * params to fragment */ protected Bundle fragmentArgs; protected int chatType; protected String toChatUsername; protected EaseChatMessageList messageList; protected EaseChatInputMenu inputMenu; protected EMConversation conversation; protected InputMethodManager inputManager; protected ClipboardManager clipboard; protected Handler handler = new Handler(); protected File cameraFile; protected EaseVoiceRecorderView voiceRecorderView; protected SwipeRefreshLayout swipeRefreshLayout; protected ListView listView; protected boolean isloading; protected boolean haveMoreData = true; protected int pagesize = 20; protected GroupListener groupListener; protected EMMessage contextMenuMessage; static final int ITEM_TAKE_PICTURE = 1; static final int ITEM_PICTURE = 2; static final int ITEM_LOCATION = 3; static final int ITEM_CALL = 4; protected int[] itemStrings = {R.string.attach_take_pic, R.string.attach_picture, R.string.attach_location, R.string.attach_call}; protected int[] itemdrawables = {R.drawable.ease_chat_takepic_selector, R.drawable.ease_chat_image_selector, R.drawable.ease_chat_location_selector, R.drawable.ease_chat_call_selector}; protected int[] itemIds = {ITEM_TAKE_PICTURE, ITEM_PICTURE, ITEM_LOCATION, ITEM_CALL}; private EMChatRoomChangeListener chatRoomChangeListener; private boolean isMessageListInited; protected MyItemClickListener extendMenuItemClickListener; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.ease_fragment_chat, container, false); } @Override public void onActivityCreated(Bundle savedInstanceState) { fragmentArgs = getArguments(); // check if single chat or group chat chatType = fragmentArgs.getInt(EaseConstant.EXTRA_CHAT_TYPE, EaseConstant.CHATTYPE_SINGLE); // userId you are chat with or group id toChatUsername = fragmentArgs.getString(EaseConstant.EXTRA_USER_ID); super.onActivityCreated(savedInstanceState); } /** * init view */ protected void initView() { // hold to record voice //noinspection ConstantConditions voiceRecorderView = (EaseVoiceRecorderView) getView().findViewById(R.id.voice_recorder); // message list layout messageList = (EaseChatMessageList) getView().findViewById(R.id.message_list); if (chatType != EaseConstant.CHATTYPE_SINGLE) messageList.setShowUserNick(true); listView = messageList.getListView(); extendMenuItemClickListener = new MyItemClickListener(); inputMenu = (EaseChatInputMenu) getView().findViewById(R.id.input_menu); registerExtendMenuItem(); // init input menu inputMenu.init(null); inputMenu.setChatInputMenuListener(new ChatInputMenuListener() { @Override public void onSendMessage(String content) { sendTextMessage(content); } @Override public boolean onPressToSpeakBtnTouch(View v, MotionEvent event) { return voiceRecorderView.onPressToSpeakBtnTouch(v, event, new EaseVoiceRecorderCallback() { @Override public void onVoiceRecordComplete(String voiceFilePath, int voiceTimeLength) { sendVoiceMessage(voiceFilePath, voiceTimeLength); } }); } @Override public void onBigExpressionClicked(EaseEmojicon emojicon) { sendBigExpressionMessage(emojicon.getName(), emojicon.getIdentityCode()); } }); swipeRefreshLayout = messageList.getSwipeRefreshLayout(); swipeRefreshLayout.setColorSchemeResources(R.color.holo_blue_bright, R.color.holo_green_light, R.color.holo_orange_light, R.color.holo_red_light); inputManager = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE); clipboard = (ClipboardManager) getActivity().getSystemService(Context.CLIPBOARD_SERVICE); getActivity().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN); } protected void setUpView() { titleBar.setTitle(toChatUsername); if (chatType == EaseConstant.CHATTYPE_SINGLE) { // set title if (EaseUserUtils.getUserInfo(toChatUsername) != null) { EaseUser user = EaseUserUtils.getUserInfo(toChatUsername); if (user != null) { titleBar.setTitle(user.getNick()); } } titleBar.setRightImageResource(R.drawable.ease_mm_title_remove); } else { titleBar.setRightImageResource(R.drawable.ease_to_group_details_no