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.easemob.chatuidemo.activity; import android.app.ProgressDialog; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.Fragment; import android.text.Editable; import android.text.TextWatcher; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.*; import android.view.View.OnClickListener; import android.view.View.OnTouchListener; import android.view.inputmethod.InputMethodManager; import android.widget.*; import android.widget.AdapterView.AdapterContextMenuInfo; import android.widget.AdapterView.OnItemClickListener; import com.android.volley.AuthFailureError; import com.android.volley.Request; import com.android.volley.Response; import com.android.volley.VolleyError; import com.android.volley.toolbox.StringRequest; import com.easemob.applib.controller.HXSDKHelper; import com.easemob.applib.controller.HXSDKHelper.HXSyncListener; import com.easemob.chat.EMContactManager; import com.easemob.chatuidemo.Constant; import com.easemob.chatuidemo.DemoHXSDKHelper; import com.easemob.chatuidemo.adapter.ContactAdapter; import com.easemob.chatuidemo.db.InviteMessgeDao; import com.easemob.chatuidemo.db.UserDao; import com.easemob.chatuidemo.domain.User; import com.easemob.chatuidemo.widget.Sidebar; import com.easemob.exceptions.EaseMobException; import com.easemob.util.EMLog; import com.xiaogang.Mine.R; import com.xiaogang.Mine.base.BaseFragment; import com.xiaogang.Mine.base.InternetURL; import com.xiaogang.Mine.data.EmpDatas; import com.xiaogang.Mine.data.IndexData; import com.xiaogang.Mine.mobule.Emp; import com.xiaogang.Mine.util.StringUtil; import org.json.JSONException; import org.json.JSONObject; import java.util.*; import java.util.Map.Entry; /** * ? * */ public class ContactlistFragment extends BaseFragment implements View.OnClickListener { public static final String TAG = "ContactlistFragment"; private ContactAdapter adapter; private List<User> contactList; private ListView listView; private boolean hidden; private Sidebar sidebar; private InputMethodManager inputMethodManager; private List<String> blackList; ImageButton clearSearch; EditText query; HXContactSyncListener contactSyncListener; HXBlackListSyncListener blackListSyncListener; HXContactInfoSyncListener contactInfoSyncListener; View progressBar; Handler handler = new Handler(); private User toBeProcessUser; private String toBeProcessUsername; @Override public void onClick(View v) { switch (v.getId()) { case R.id.back: getActivity().finish(); break; } } class HXContactSyncListener implements HXSyncListener { @Override public void onSyncSucess(final boolean success) { EMLog.d(TAG, "on contact list sync success:" + success); ContactlistFragment.this.getActivity().runOnUiThread(new Runnable() { public void run() { getActivity().runOnUiThread(new Runnable() { @Override public void run() { if (success) { progressBar.setVisibility(View.GONE); refresh(); } else { String s1 = getResources().getString(R.string.get_failed_please_check); Toast.makeText(getActivity(), s1, Toast.LENGTH_SHORT).show(); progressBar.setVisibility(View.GONE); } } }); } }); } } class HXBlackListSyncListener implements HXSyncListener { @Override public void onSyncSucess(boolean success) { getActivity().runOnUiThread(new Runnable() { @Override public void run() { blackList = EMContactManager.getInstance().getBlackListUsernames(); refresh(); } }); } }; class HXContactInfoSyncListener implements HXSyncListener { @Override public void onSyncSucess(final boolean success) { EMLog.d(TAG, "on contactinfo list sync success:" + success); getActivity().runOnUiThread(new Runnable() { @Override public void run() { progressBar.setVisibility(View.GONE); if (success) { refresh(); } } }); } } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_contact_list, container, false); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); //T??home???appcrash if (savedInstanceState != null && savedInstanceState.getBoolean("isConflict", false)) return; inputMethodManager = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE); listView = (ListView) getView().findViewById(R.id.list); sidebar = (Sidebar) getView().findViewById(R.id.sidebar); sidebar.setListView(listView); getView().findViewById(R.id.back).setOnClickListener(this); //??? blackList = EMContactManager.getInstance().getBlackListUsernames(); contactList = new ArrayList<User>(); // ?contactlist getContactList(); //? query = (EditText) getView().findViewById(R.id.query); query.setHint(R.string.search); clearSearch = (ImageButton) getView().findViewById(R.id.search_clear); query.addTextChangedListener(new TextWatcher() { public void onTextChanged(CharSequence s, int start, int before, int count) { adapter.getFilter().filter(s); if (s.length() > 0) { clearSearch.setVisibility(View.VISIBLE); } else { clearSearch.setVisibility(View.INVISIBLE); } } public void beforeTextChanged(CharSequence s, int start, int count, int after) { } public void afterTextChanged(Editable s) { } }); clearSearch.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { query.getText().clear(); hideSoftKeyboard(); } }); // adapter adapter = new ContactAdapter(getActivity(), R.layout.row_contact, contactList); listView.setAdapter(adapter); listView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { String username = adapter.getItem(position).getUsername(); if (Constant.NEW_FRIENDS_USERNAME.equals(username)) { // ? User user = ((DemoHXSDKHelper) HXSDKHelper.getInstance()).getContactList() .get(Constant.NEW_FRIENDS_USERNAME); user.setUnreadMsgCount(0); startActivity(new Intent(getActivity(), NewFriendsMsgActivity.class)); } else if (Constant.GROUP_USERNAME.equals(username)) { // ?? startActivity(new Intent(getActivity(), GroupsActivity.class)); } else if (Constant.CHAT_ROOM.equals(username)) { //?? startActivity(new Intent(getActivity(), PublicChatRoomsActivity.class)); } // else if(Constant.CHAT_ROBOT.equals(username)){ // //Robot? // startActivity(new Intent(getActivity(), RobotsActivity.class)); // } else { // demo?? startActivity(new Intent(getActivity(), ChatActivity.class).putExtra("userId", adapter.getItem(position).getUsername())); } } }); listView.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { // ?? if (getActivity().getWindow() .getAttributes().softInputMode != WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN) { if (getActivity().getCurrentFocus() != null) inputMethodManager.hideSoftInputFromWindow(getActivity().getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS); } return false; } }); ImageView addContactView = (ImageView) getView().findViewById(R.id.iv_new_contact); // ? addContactView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { startActivity(new Intent(getActivity(), AddContactActivity.class)); } }); registerForContextMenu(listView); progressBar = (View) getView().findViewById(R.id.progress_bar); contactSyncListener = new HXContactSyncListener(); HXSDKHelper.getInstance().addSyncContactListener(contactSyncListener); blackListSyncListener = new HXBlackListSyncListener(); HXSDKHelper.getInstance().addSyncBlackListListener(blackListSyncListener); contactInfoSyncListener = new HXContactInfoSyncListener(); ((DemoHXSDKHelper) HXSDKHelper.getInstance()).getUserProfileManager() .addSyncContactInfoListener(contactInfoSyncListener); if (!HXSDKHelper.getInstance().isContactsSyncedWithServer()) { progressBar.setVisibility(View.VISIBLE); } else { progressBar.setVisibility(View.GONE); } } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); if (((AdapterContextMenuInfo) menuInfo).position > 3) { toBeProcessUser = adapter.getItem(((AdapterContextMenuInfo) menuInfo).position); toBeProcessUsername = toBeProcessUser.getUsername(); getActivity().getMenuInflater().inflate(R.menu.context_contact_list, menu); } } @Override public boolean onContextItemSelected(MenuItem item) { if (item.getItemId() == R.id.delete_contact) { try { // ? deleteContact(toBeProcessUser); // ? InviteMessgeDao dao = new InviteMessgeDao(getActivity()); dao.deleteMessage(toBeProcessUser.getUsername()); } catch (Exception e) { e.printStackTrace(); } return true; } else if (item.getItemId() == R.id.add_to_blacklist) { moveToBlacklist(toBeProcessUsername); return true; } return super.onContextItemSelected(item); } @Override public void onHiddenChanged(boolean hidden) { super.onHiddenChanged(hidden); this.hidden = hidden; if (!hidden) { refresh(); } } @Override public void onResume() { super.onResume(); if (!hidden) { refresh(); } } /** * ? * */ public void deleteContact(final User tobeDeleteUser) { String st1 = getResources().getString(R.string.deleting); final String st2 = getResources().getString(R.string.Delete_failed); final ProgressDialog pd = new ProgressDialog(getActivity()); pd.setMessage(st1); pd.setCanceledOnTouchOutside(false); pd.show(); new Thread(new Runnable() { public void run() { try { EMContactManager.getInstance().deleteContact(tobeDeleteUser.getUsername()); // db? UserDao dao = new UserDao(getActivity()); dao.deleteContact(tobeDeleteUser.getUsername()); ((DemoHXSDKHelper) HXSDKHelper.getInstance()).getContactList() .remove(tobeDeleteUser.getUsername()); getActivity().runOnUiThread(new Runnable() { public void run() { pd.dismiss(); adapter.remove(tobeDeleteUser); adapter.notifyDataSetChanged(); } }); } catch (final Exception e) { getActivity().runOnUiThread(new Runnable() { public void run() { pd.dismiss(); Toast.makeText(getActivity(), st2 + e.getMessage(), Toast.LENGTH_SHORT).show(); } }); } } }).start(); } /** * user??? */ private void moveToBlacklist(final String username) { final ProgressDialog pd = new ProgressDialog(getActivity()); String st1 = getResources().getString(R.string.Is_moved_into_blacklist); final String st2 = getResources().getString(R.string.Move_into_blacklist_success); final String st3 = getResources().getString(R.string.Move_into_blacklist_failure); pd.setMessage(st1); pd.setCanceledOnTouchOutside(false); pd.show(); new Thread(new Runnable() { public void run() { try { //??? EMContactManager.getInstance().addUserToBlackList(username, false); getActivity().runOnUiThread(new Runnable() { public void run() { pd.dismiss(); Toast.makeText(getActivity(), st2, Toast.LENGTH_SHORT).show(); refresh(); } }); } catch (EaseMobException e) { e.printStackTrace(); getActivity().runOnUiThread(new Runnable() { public void run() { pd.dismiss(); Toast.makeText(getActivity(), st3, Toast.LENGTH_SHORT).show(); } }); } } }).start(); } // ui public void refresh() { try { // ?? getActivity().runOnUiThread(new Runnable() { public void run() { getContactList(); adapter.notifyDataSetChanged(); } }); } catch (Exception e) { e.printStackTrace(); } } @Override public void onDestroy() { if (contactSyncListener != null) { HXSDKHelper.getInstance().removeSyncContactListener(contactSyncListener); contactSyncListener = null; } if (blackListSyncListener != null) { HXSDKHelper.getInstance().removeSyncBlackListListener(blackListSyncListener); } if (contactInfoSyncListener != null) { ((DemoHXSDKHelper) HXSDKHelper.getInstance()).getUserProfileManager() .removeSyncContactInfoListener(contactInfoSyncListener); } super.onDestroy(); } public void showProgressBar(boolean show) { if (progressBar != null) { if (show) { progressBar.setVisibility(View.VISIBLE); } else { progressBar.setVisibility(View.GONE); } } } /** * ?????? */ private void getContactList() { contactList.clear(); getFriends(); } void getFriends() { String uri = InternetURL.GET_STUDENTS_URL + "?access_token=" + getGson().fromJson(getSp().getString("access_token", ""), String.class) + "&school_id=" + getGson().fromJson(getSp().getString("school_id", ""), String.class) + "&class_id=" + getGson().fromJson(getSp().getString("class_id", ""), String.class); StringRequest request = new StringRequest(Request.Method.GET, uri, new Response.Listener<String>() { @Override public void onResponse(String s) { if (StringUtil.isJson(s)) { try { JSONObject jo = new JSONObject(s); String code = jo.getString("code"); if (Integer.parseInt(code) == 200) { EmpDatas data = getGson().fromJson(s, EmpDatas.class); List<Emp> list = data.getData(); contactList.clear(); if (list != null) { for (Emp emp : list) { User user = new User(); user.setAvatar(emp.getCover() == null ? "" : emp.getCover()); user.setHeader(StringUtil.getSpells(emp.getNick_name())); // user.setUnreadMsgCount(0); user.setEid(emp.getHx_id()); user.setNick(emp.getNick_name()); user.setUsername(emp.getUser_name()); contactList.add(user); } } // ? Collections.sort(contactList, new Comparator<User>() { @Override public int compare(User lhs, User rhs) { return lhs.getUsername().compareTo(rhs.getUsername()); } }); } else { Toast.makeText(getActivity(), jo.getString("msg"), Toast.LENGTH_SHORT).show(); } } catch (JSONException e) { e.printStackTrace(); } } //?? Map<String, User> users = ((DemoHXSDKHelper) HXSDKHelper.getInstance()).getContactList(); // // "?""?" if (users.get(Constant.CHAT_ROOM) != null) contactList.add(0, users.get(Constant.CHAT_ROOM)); if (users.get(Constant.GROUP_USERNAME) != null) contactList.add(0, users.get(Constant.GROUP_USERNAME)); // ""? if (users.get(Constant.NEW_FRIENDS_USERNAME) != null) contactList.add(0, users.get(Constant.NEW_FRIENDS_USERNAME)); adapter.notifyDataSetChanged(); } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError volleyError) { Toast.makeText(getActivity(), R.string.get_data_error, Toast.LENGTH_SHORT).show(); } }) { @Override protected Map<String, String> getParams() throws AuthFailureError { Map<String, String> params = new HashMap<String, String>(); return params; } @Override public Map<String, String> getHeaders() throws AuthFailureError { Map<String, String> params = new HashMap<String, String>(); params.put("Content-Type", "application/x-www-form-urlencoded"); return params; } }; getRequestQueue().add(request); } void hideSoftKeyboard() { if (getActivity().getWindow() .getAttributes().softInputMode != WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN) { if (getActivity().getCurrentFocus() != null) inputMethodManager.hideSoftInputFromWindow(getActivity().getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS); } } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); if (((com.easemob.chatuidemo.activity.MainActivity) getActivity()).isConflict) { outState.putBoolean("isConflict", true); } else if (((com.easemob.chatuidemo.activity.MainActivity) getActivity()).getCurrentAccountRemoved()) { outState.putBoolean(Constant.ACCOUNT_REMOVED, true); } } }