基於xmpp openfire smack開發之Android客戶端開發[3]
在上兩篇文章中,我們依次介紹openfire部署以及smack常用API的使用,這一節中我們著力介紹如何基於asmack開發一個Android的客戶端,本篇的重點在實踐,講解和原理環節,大家可以參考前兩篇的文章
基於xmpp openfire smack開發之openfire介紹和部署[1]
基於xmpp openfire smack開發之smack類庫介紹和使用[2]
1.原始碼結構介紹
activity包下存放一些android頁面互動相關的控制程式,還有一個些公共幫助類
db包為sqlite的工具類封裝,這裡做了一些自定義的改造,稍微仿Spring的JdbcTemplate結構,使用起來更加方便一點
manager包留下主要是一些管理元件,包括聯絡人管理,訊息管理,提醒管理,離線訊息管理,使用者管理,xmpp連線管理
model包中都是一些物件模型,傳輸介質
service中存放一些android後臺的核心服務,主要包括聊天服務,聯絡人服務,系統訊息服務,重連線服務
task包中存放一些耗時的非同步操作
util中存放一些常用的工具類
view中一些和android的UI相關的顯示控制元件
anim中存放一些動畫元素的配置
layout是佈局頁面
menu是地步選單佈局頁面
values中存放一些字元,顏色,樣式,引數的配置資訊
其中strings.xml中,儲存的預設配置為gtalk的伺服器資訊,大家如果有谷歌gtalk的賬號可以直接登入,否則需要更改這裡的配置才可以使用其他的xmpp伺服器
- <!-- 預設的伺服器配置 -->
- <integer name="xmpp_port">5222</integer>
- <string name="xmpp_host">talk.google.com</string>
- <string name="xmpp_service_name">gmail.com</string>
- <bool name="is_remember">true</bool>
- <bool name="is_autologin">false</bool>
- <bool name="is_novisible">false</bool>
AndroidManifest.xml為android功能清單的配置檔案,我們這裡開放的許可權並不多
- <!-- 訪問Internet -->
- <uses-permission android:name="android.permission.INTERNET" />
- <!--- 訪問網路狀態 -->
- <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
- <!-- 往SDCard寫入資料許可權 -->
- <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
- <span style="WHITE-SPACE: pre"> </span><!-- 在SDCard中建立與刪除檔案許可權 -->
- <span style="WHITE-SPACE: pre"> </span><uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
- <span style="WHITE-SPACE: pre"> </span><!-- 往SDCard寫入資料許可權 -->
- <span style="WHITE-SPACE: pre"> </span><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
2.核心類介紹
- package csdn.shimiso.eim.activity;
- import android.app.Activity;
- import android.app.AlertDialog;
- import android.app.Notification;
- import android.app.NotificationManager;
- import android.app.PendingIntent;
- import android.app.ProgressDialog;
- import android.content.Context;
- import android.content.DialogInterface;
- import android.content.Intent;
- import android.content.SharedPreferences;
- import android.location.LocationManager;
- import android.net.ConnectivityManager;
- import android.net.NetworkInfo;
- import android.os.Bundle;
- import android.os.Environment;
- import android.provider.Settings;
- import android.view.inputmethod.InputMethodManager;
- import android.widget.Toast;
- import csdn.shimiso.eim.R;
- import csdn.shimiso.eim.comm.Constant;
- import csdn.shimiso.eim.model.LoginConfig;
- import csdn.shimiso.eim.service.IMChatService;
- import csdn.shimiso.eim.service.IMContactService;
- import csdn.shimiso.eim.service.IMSystemMsgService;
- import csdn.shimiso.eim.service.ReConnectService;
- /**
- * Actity 工具支援類
- *
- * @author shimiso
- *
- */
- public class ActivitySupport extends Activity implements IActivitySupport {
- protected Context context = null;
- protected SharedPreferences preferences;
- protected EimApplication eimApplication;
- protected ProgressDialog pg = null;
- protected NotificationManager notificationManager;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- context = this;
- preferences = getSharedPreferences(Constant.LOGIN_SET, 0);
- notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
- pg = new ProgressDialog(context);
- eimApplication = (EimApplication) getApplication();
- eimApplication.addActivity(this);
- }
- @Override
- protected void onStart() {
- super.onStart();
- }
- @Override
- protected void onResume() {
- super.onResume();
- }
- @Override
- protected void onPause() {
- super.onPause();
- }
- @Override
- protected void onStop() {
- super.onStop();
- }
- @Override
- public void onDestroy() {
- super.onDestroy();
- }
- @Override
- public ProgressDialog getProgressDialog() {
- return pg;
- }
- @Override
- public void startService() {
- // 好友聯絡人服務
- Intent server = new Intent(context, IMContactService.class);
- context.startService(server);
- // 聊天服務
- Intent chatServer = new Intent(context, IMChatService.class);
- context.startService(chatServer);
- // 自動恢復連線服務
- Intent reConnectService = new Intent(context, ReConnectService.class);
- context.startService(reConnectService);
- // 系統訊息連線服務
- Intent imSystemMsgService = new Intent(context,
- IMSystemMsgService.class);
- context.startService(imSystemMsgService);
- }
- /**
- *
- * 銷燬服務.
- *
- * @author shimiso
- * @update 2012-5-16 下午12:16:08
- */
- @Override
- public void stopService() {
- // 好友聯絡人服務
- Intent server = new Intent(context, IMContactService.class);
- context.stopService(server);
- // 聊天服務
- Intent chatServer = new Intent(context, IMChatService.class);
- context.stopService(chatServer);
- // 自動恢復連線服務
- Intent reConnectService = new Intent(context, ReConnectService.class);
- context.stopService(reConnectService);
- // 系統訊息連線服務
- Intent imSystemMsgService = new Intent(context,
- IMSystemMsgService.class);
- context.stopService(imSystemMsgService);
- }
- @Override
- public void isExit() {
- new AlertDialog.Builder(context).setTitle("確定退出嗎?")
- .setNeutralButton("確定", new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- stopService();
- eimApplication.exit();
- }
- })
- .setNegativeButton("取消", new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog, int which) {
- dialog.cancel();
- }
- }).show();
- }
- @Override
- public boolean hasInternetConnected() {
- ConnectivityManager manager = (ConnectivityManager) context
- .getSystemService(context.CONNECTIVITY_SERVICE);
- if (manager != null) {
- NetworkInfo network = manager.getActiveNetworkInfo();
- if (network != null && network.isConnectedOrConnecting()) {
- return true;
- }
- }
- return false;
- }
- @Override
- public boolean validateInternet() {
- ConnectivityManager manager = (ConnectivityManager) context
- .getSystemService(context.CONNECTIVITY_SERVICE);
- if (manager == null) {
- openWirelessSet();
- return false;
- } else {
- NetworkInfo[] info = manager.getAllNetworkInfo();
- if (info != null) {
- for (int i = 0; i < info.length; i++) {
- if (info[i].getState() == NetworkInfo.State.CONNECTED) {
- return true;
- }
- }
- }
- }
- openWirelessSet();
- return false;
- }
- @Override
- public boolean hasLocationGPS() {
- LocationManager manager = (LocationManager) context
- .getSystemService(context.LOCATION_SERVICE);
- if (manager
- .isProviderEnabled(android.location.LocationManager.GPS_PROVIDER)) {
- return true;
- } else {
- return false;
- }
- }
- @Override
- public boolean hasLocationNetWork() {
- LocationManager manager = (LocationManager) context
- .getSystemService(context.LOCATION_SERVICE);
- if (manager
- .isProviderEnabled(android.location.LocationManager.NETWORK_PROVIDER)) {
- return true;
- } else {
- return false;
- }
- }
- @Override
- public void checkMemoryCard() {
- if (!Environment.MEDIA_MOUNTED.equals(Environment
- .getExternalStorageState())) {
- new AlertDialog.Builder(context)
- .setTitle(R.string.prompt)
- .setMessage("請檢查記憶體卡")
- .setPositiveButton(R.string.menu_settings,
- new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog,
- int which) {
- dialog.cancel();
- Intent intent = new Intent(
- Settings.ACTION_SETTINGS);
- context.startActivity(intent);
- }
- })
- .setNegativeButton("退出",
- new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog,
- int which) {
- dialog.cancel();
- eimApplication.exit();
- }
- }).create().show();
- }
- }
- public void openWirelessSet() {
- AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(context);
- dialogBuilder
- .setTitle(R.string.prompt)
- .setMessage(context.getString(R.string.check_connection))
- .setPositiveButton(R.string.menu_settings,
- new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog,
- int which) {
- dialog.cancel();
- Intent intent = new Intent(
- Settings.ACTION_WIRELESS_SETTINGS);
- context.startActivity(intent);
- }
- })
- .setNegativeButton(R.string.close,
- new DialogInterface.OnClickListener() {
- @Override
- public void onClick(DialogInterface dialog,
- int whichButton) {
- dialog.cancel();
- }
- });
- dialogBuilder.show();
- }
- /**
- *
- * 顯示toast
- *
- * @param text
- * @param longint
- * @author shimiso
- * @update 2012-6-28 下午3:46:18
- */
- public void showToast(String text, int longint) {
- Toast.makeText(context, text, longint).show();
- }
- @Override
- public void showToast(String text) {
- Toast.makeText(context, text, Toast.LENGTH_SHORT).show();
- }
- /**
- *
- * 關閉鍵盤事件
- *
- * @author shimiso
- * @update 2012-7-4 下午2:34:34
- */
- public void closeInput() {
- InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
- if (inputMethodManager != null && this.getCurrentFocus() != null) {
- inputMethodManager.hideSoftInputFromWindow(this.getCurrentFocus()
- .getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
- }
- }
- /**
- *
- * 發出Notification的method.
- *
- * @param iconId
- * 圖示
- * @param contentTitle
- * 標題
- * @param contentText
- * 你內容
- * @param activity
- * @author shimiso
- * @update 2012-5-14 下午12:01:55
- */
- public void setNotiType(int iconId, String contentTitle,
- String contentText, Class activity, String from) {
- /*
- * 建立新的Intent,作為點選Notification留言條時, 會執行的Activity
- */
- Intent notifyIntent = new Intent(this, activity);
- notifyIntent.putExtra("to", from);
- // notifyIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
- /* 建立PendingIntent作為設定遞延執行的Activity */
- PendingIntent appIntent = PendingIntent.getActivity(this, 0,
- notifyIntent, 0);
- /* 建立Notication,並設定相關引數 */
- Notification myNoti = new Notification();
- // 點選自動消失
- myNoti.flags = Notification.FLAG_AUTO_CANCEL;
- /* 設定statusbar顯示的icon */
- myNoti.icon = iconId;
- /* 設定statusbar顯示的文字資訊 */
- myNoti.tickerText = contentTitle;
- /* 設定notification發生時同時發出預設聲音 */
- myNoti.defaults = Notification.DEFAULT_SOUND;
- /* 設定Notification留言條的引數 */
- myNoti.setLatestEventInfo(this, contentTitle, contentText, appIntent);
- /* 送出Notification */
- notificationManager.notify(0, myNoti);
- }
- @Override
- public Context getContext() {
- return context;
- }
- @Override
- public SharedPreferences getLoginUserSharedPre() {
- return preferences;
- }
- @Override
- public void saveLoginConfig(LoginConfig loginConfig) {
- preferences.edit()
- .putString(Constant.XMPP_HOST, loginConfig.getXmppHost())
- .commit();
- preferences.edit()
- .putInt(Constant.XMPP_PORT, loginConfig.getXmppPort()).commit();
- preferences
- .edit()
- .putString(Constant.XMPP_SEIVICE_NAME,
- loginConfig.getXmppServiceName()).commit();
- preferences.edit()
- .putString(Constant.USERNAME, loginConfig.getUsername())
- .commit();
- preferences.edit()
- .putString(Constant.PASSWORD, loginConfig.getPassword())
- .commit();
- preferences.edit()
- .putBoolean(Constant.IS_AUTOLOGIN, loginConfig.isAutoLogin())
- .commit();
- preferences.edit()
- .putBoolean(Constant.IS_NOVISIBLE, loginConfig.isNovisible())
- .commit();
- preferences.edit()
- .putBoolean(Constant.IS_REMEMBER, loginConfig.isRemember())
- .commit();
- preferences.edit()
- .putBoolean(Constant.IS_ONLINE, loginConfig.isOnline())
- .commit();
- preferences.edit()
- .putBoolean(Constant.IS_FIRSTSTART, loginConfig.isFirstStart())
- .commit();
- }
- @Override
- public LoginConfig getLoginConfig() {
- LoginConfig loginConfig = new LoginConfig();
- String a = preferences.getString(Constant.XMPP_HOST, null);
- String b = getResources().getString(R.string.xmpp_host);
- loginConfig.setXmppHost(preferences.getString(Constant.XMPP_HOST,
- getResources().getString(R.string.xmpp_host)));
- loginConfig.setXmppPort(preferences.getInt(Constant.XMPP_PORT,
- getResources().getInteger(R.integer.xmpp_port)));
- loginConfig.setUsername(preferences.getString(Constant.USERNAME, null));
- loginConfig.setPassword(preferences.getString(Constant.PASSWORD, null));
- loginConfig.setXmppServiceName(preferences.getString(
- Constant.XMPP_SEIVICE_NAME,
- getResources().getString(R.string.xmpp_service_name)));
- loginConfig.setAutoLogin(preferences.getBoolean(Constant.IS_AUTOLOGIN,
- getResources().getBoolean(R.bool.is_autologin)));
- loginConfig.setNovisible(preferences.getBoolean(Constant.IS_NOVISIBLE,
- getResources().getBoolean(R.bool.is_novisible)));
- loginConfig.setRemember(preferences.getBoolean(Constant.IS_REMEMBER,
- getResources().getBoolean(R.bool.is_remember)));
- loginConfig.setFirstStart(preferences.getBoolean(
- Constant.IS_FIRSTSTART, true));
- return loginConfig;
- }
- @Override
- public boolean getUserOnlineState() {
- // preferences = getSharedPreferences(Constant.LOGIN_SET,0);
- return preferences.getBoolean(Constant.IS_ONLINE, true);
- }
- @Override
- public void setUserOnlineState(boolean isOnline) {
- // preferences = getSharedPreferences(Constant.LOGIN_SET,0);
- preferences.edit().putBoolean(Constant.IS_ONLINE, isOnline).commit();
- }
- @Override
- public EimApplication getEimApplication() {
- return eimApplication;
- }
- }
大家寫android程式會發現,不同的activity之間經常需要呼叫一些公共的資源,這裡的資源不僅包括android自身的,還有我們自己的管理服務類,甚至相互之間傳遞一些引數,這裡我仿照struts2的設計,提煉出一個ActivitySupport類,同時抽取一個介面,讓所有的Activity都整合這個類,因為有了介面,我們便可以採用回撥模式,非常方便的傳遞資料和使用公共的資源,這種好處相信大家使用之後都能有深刻的體會,通過介面回撥傳遞引數和相互呼叫的方式無疑是最優雅的,spring和hibernate原始碼中曾經大量使用這種結構。
- package csdn.shimiso.eim.db;
- import java.util.ArrayList;
- import java.util.List;
- import android.content.ContentValues;
- import android.database.Cursor;
- import android.database.sqlite.SQLiteDatabase;
- /**
- * SQLite資料庫模板工具類
- *
- * 該類提供了資料庫操作常用的增刪改查,以及各種複雜條件匹配,分頁,排序等操作
- *
- * @see SQLiteDatabase
- */
- public class SQLiteTemplate {
- /**
- * Default Primary key
- */
- protected String mPrimaryKey = "_id";
- /**
- * DBManager
- */
- private DBManager dBManager;
- /**
- * 是否為一個事務
- */
- private boolean isTransaction = false;
- /**
- * 資料庫連線
- */
- private SQLiteDatabase dataBase = null;
- private SQLiteTemplate() {
- }
- private SQLiteTemplate(DBManager dBManager, boolean isTransaction) {
- this.dBManager = dBManager;
- this.isTransaction = isTransaction;
- }
- /**
- * isTransaction 是否屬於一個事務 注:一旦isTransaction設為true
- * 所有的SQLiteTemplate方法都不會自動關閉資源,需在事務成功後手動關閉
- *
- * @return
- */
- public static SQLiteTemplate getInstance(DBManager dBManager,
- boolean isTransaction) {
- return new SQLiteTemplate(dBManager, isTransaction);
- }
- /**
- * 執行一條sql語句
- *
- * @param name
- * @param tel
- */
- public void execSQL(String sql) {
- try {
- dataBase = dBManager.openDatabase();
- dataBase.execSQL(sql);
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- }
- /**
- * 執行一條sql語句
- *
- * @param name
- * @param tel
- */
- public void execSQL(String sql, Object[] bindArgs) {
- try {
- dataBase = dBManager.openDatabase();
- dataBase.execSQL(sql, bindArgs);
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- }
- /**
- * 向資料庫表中插入一條資料
- *
- * @param table
- * 表名
- * @param content
- * 欄位值
- */
- public long insert(String table, ContentValues content) {
- try {
- dataBase = dBManager.openDatabase();
- // insert方法第一引數:資料庫表名,第二個引數如果CONTENT為空時則向表中插入一個NULL,第三個引數為插入的內容
- return dataBase.insert(table, null, content);
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- return 0;
- }
- /**
- * 批量刪除指定主鍵資料
- *
- * @param ids
- */
- public void deleteByIds(String table, Object... primaryKeys) {
- try {
- if (primaryKeys.length > 0) {
- StringBuilder sb = new StringBuilder();
- for (@SuppressWarnings("unused")
- Object id : primaryKeys) {
- sb.append("?").append(",");
- }
- sb.deleteCharAt(sb.length() - 1);
- dataBase = dBManager.openDatabase();
- dataBase.execSQL("delete from " + table + " where "
- + mPrimaryKey + " in(" + sb + ")",
- (Object[]) primaryKeys);
- }
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- }
- /**
- * 根據某一個欄位和值刪除一行資料, 如 name="jack"
- *
- * @param table
- * @param field
- * @param value
- * @return 返回值大於0表示刪除成功
- */
- public int deleteByField(String table, String field, String value) {
- try {
- dataBase = dBManager.openDatabase();
- return dataBase.delete(table, field + "=?", new String[] { value });
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- return 0;
- }
- /**
- * 根據條件刪除資料
- *
- * @param table
- * 表名
- * @param whereClause
- * 查詢語句 引數採用?
- * @param whereArgs
- * 引數值
- * @return 返回值大於0表示刪除成功
- */
- public int deleteByCondition(String table, String whereClause,
- String[] whereArgs) {
- try {
- dataBase = dBManager.openDatabase();
- return dataBase.delete(table, whereClause, whereArgs);
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- return 0;
- }
- /**
- * 根據主鍵刪除一行資料
- *
- * @param table
- * @param id
- * @return 返回值大於0表示刪除成功
- */
- public int deleteById(String table, String id) {
- try {
- dataBase = dBManager.openDatabase();
- return deleteByField(table, mPrimaryKey, id);
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- return 0;
- }
- /**
- * 根據主鍵更新一行資料
- *
- * @param table
- * @param id
- * @param values
- * @return 返回值大於0表示更新成功
- */
- public int updateById(String table, String id, ContentValues values) {
- try {
- dataBase = dBManager.openDatabase();
- return dataBase.update(table, values, mPrimaryKey + "=?",
- new String[] { id });
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- return 0;
- }
- /**
- * 更新資料
- *
- * @param table
- * @param values
- * @param whereClause
- * @param whereArgs
- * @return 返回值大於0表示更新成功
- */
- public int update(String table, ContentValues values, String whereClause,
- String[] whereArgs) {
- try {
- dataBase = dBManager.openDatabase();
- return dataBase.update(table, values, whereClause, whereArgs);
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- return 0;
- }
- /**
- * 根據主鍵檢視某條資料是否存在
- *
- * @param table
- * @param id
- * @return
- */
- public Boolean isExistsById(String table, String id) {
- try {
- dataBase = dBManager.openDatabase();
- return isExistsByField(table, mPrimaryKey, id);
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- return null;
- }
- /**
- * 根據某欄位/值檢視某條資料是否存在
- *
- * @param status
- * @return
- */
- public Boolean isExistsByField(String table, String field, String value) {
- StringBuilder sql = new StringBuilder();
- sql.append("SELECT COUNT(*) FROM ").append(table).append(" WHERE ")
- .append(field).append(" =?");
- try {
- dataBase = dBManager.openDatabase();
- return isExistsBySQL(sql.toString(), new String[] { value });
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(null);
- }
- }
- return null;
- }
- /**
- * 使用SQL語句檢視某條資料是否存在
- *
- * @param sql
- * @param selectionArgs
- * @return
- */
- public Boolean isExistsBySQL(String sql, String[] selectionArgs) {
- Cursor cursor = null;
- try {
- dataBase = dBManager.openDatabase();
- cursor = dataBase.rawQuery(sql, selectionArgs);
- if (cursor.moveToFirst()) {
- return (cursor.getInt(0) > 0);
- } else {
- return false;
- }
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(cursor);
- }
- }
- return null;
- }
- /**
- * 查詢一條資料
- *
- * @param rowMapper
- * @param sql
- * @param args
- * @return
- */
- public <T> T queryForObject(RowMapper<T> rowMapper, String sql,
- String[] args) {
- Cursor cursor = null;
- T object = null;
- try {
- dataBase = dBManager.openDatabase();
- cursor = dataBase.rawQuery(sql, args);
- if (cursor.moveToFirst()) {
- object = rowMapper.mapRow(cursor, cursor.getCount());
- }
- } finally {
- if (!isTransaction) {
- closeDatabase(cursor);
- }
- }
- return object;
- }
- /**
- * 查詢
- *
- * @param rowMapper
- * @param sql
- * @param startResult
- * 開始索引 注:第一條記錄索引為0
- * @param maxResult
- * 步長
- * @return
- */
- public <T> List<T> queryForList(RowMapper<T> rowMapper, String sql,
- String[] selectionArgs) {
- Cursor cursor = null;
- List<T> list = null;
- try {
- dataBase = dBManager.openDatabase();
- cursor = dataBase.rawQuery(sql, selectionArgs);
- list = new ArrayList<T>();
- while (cursor.moveToNext()) {
- list.add(rowMapper.mapRow(cursor, cursor.getPosition()));
- }
- } finally {
- if (!isTransaction) {
- closeDatabase(cursor);
- }
- }
- return list;
- }
- /**
- * 分頁查詢
- *
- * @param rowMapper
- * @param sql
- * @param startResult
- * 開始索引 注:第一條記錄索引為0
- * @param maxResult
- * 步長
- * @return
- */
- public <T> List<T> queryForList(RowMapper<T> rowMapper, String sql,
- int startResult, int maxResult) {
- Cursor cursor = null;
- List<T> list = null;
- try {
- dataBase = dBManager.openDatabase();
- cursor = dataBase.rawQuery(sql + " limit ?,?", new String[] {
- String.valueOf(startResult), String.valueOf(maxResult) });
- list = new ArrayList<T>();
- while (cursor.moveToNext()) {
- list.add(rowMapper.mapRow(cursor, cursor.getPosition()));
- }
- } finally {
- if (!isTransaction) {
- closeDatabase(cursor);
- }
- }
- return list;
- }
- /**
- * 獲取記錄數
- *
- * @return
- */
- public Integer getCount(String sql, String[] args) {
- Cursor cursor = null;
- try {
- dataBase = dBManager.openDatabase();
- cursor = dataBase.rawQuery("select count(*) from (" + sql + ")",
- args);
- if (cursor.moveToNext()) {
- return cursor.getInt(0);
- }
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- if (!isTransaction) {
- closeDatabase(cursor);
- }
- }
- return 0;
- }
- /**
- * 分頁查詢
- *
- * @param rowMapper
- * @param table
- * 檢索的表
- * @param columns
- * 由需要返回列的列名所組成的字串陣列,傳入null會返回所有的列。
- * @param selection
- * 查詢條件子句,相當於select語句where關鍵字後面的部分,在條件子句允許使用佔位符"?"
- * @param selectionArgs
- * 對應於selection語句中佔位符的值,值在陣列中的位置與佔位符在語句中的位置必須一致,否則就會有異常
- * @param groupBy
- * 對結果集進行分組的group by語句(不包括GROUP BY關鍵字)。傳入null將不對結果集進行分組
- * @param having
- * 對查詢後的結果集進行過濾,傳入null則不過濾
- * @param orderBy
- * 對結果集進行排序的order by語句(不包括ORDER BY關鍵字)。傳入null將對結果集使用預設的排序
- * @param limit
- * 指定偏移量和獲取的記錄數,相當於select語句limit關鍵字後面的部分,如果為null則返回所有行
- * @return
- */
- public <T> List<T> queryForList(RowMapper<T> rowMapper, String table,
- String[] columns, String selection, String[] selectionArgs,
- String groupBy, String having, String orderBy, String limit) {
- List<T> list = null;
- Cursor cursor = null;
- try {
- dataBase = dBManager.openDatabase();
- cursor = dataBase.query(table, columns, selection, selectionArgs,
- groupBy, having, orderBy, limit);
- list = new ArrayList<T>();
- while (cursor.moveToNext()) {
- list.add(rowMapper.mapRow(cursor, cursor.getPosition()));
- }
- } finally {
- if (!isTransaction) {
- closeDatabase(cursor);
- }
- }
- return list;
- }
- /**
- * Get Primary Key
- *
- * @return
- */
- public String getPrimaryKey() {
- return mPrimaryKey;
- }
- /**
- * Set Primary Key
- *
- * @param primaryKey
- */
- public void setPrimaryKey(String primaryKey) {
- this.mPrimaryKey = primaryKey;
- }
- /**
- *
- * @author shimiso
- *
- * @param <T>
- */
- public interface RowMapper<T> {
- /**
- *
- * @param cursor
- * 遊標
- * @param index
- * 下標索引
- * @return
- */
- public T mapRow(Cursor cursor, int index);
- }
- /**
- * 關閉資料庫
- */
- public void closeDatabase(Cursor cursor) {
- if (null != dataBase) {
- dataBase.close();
- }
- if (null != cursor) {
- cursor.close();
- }
- }
- }
- package csdn.shimiso.eim.manager;
- import org.jivesoftware.smack.Connection;
- import org.jivesoftware.smack.ConnectionConfiguration;
- import org.jivesoftware.smack.Roster;
- import org.jivesoftware.smack.XMPPConnection;
- import org.jivesoftware.smack.provider.ProviderManager;
- import org.jivesoftware.smackx.GroupChatInvitation;
- import org.jivesoftware.smackx.PrivateDataManager;
- import org.jivesoftware.smackx.packet.ChatStateExtension;
- import org.jivesoftware.smackx.packet.LastActivity;
- import org.jivesoftware.smackx.packet.OfflineMessageInfo;
- import org.jivesoftware.smackx.packet.OfflineMessageRequest;
- import org.jivesoftware.smackx.packet.SharedGroupsInfo;
- import org.jivesoftware.smackx.provider.DataFormProvider;
- import org.jivesoftware.smackx.provider.DelayInformationProvider;
- import org.jivesoftware.smackx.provider.DiscoverInfoProvider;
- import org.jivesoftware.smackx.provider.DiscoverItemsProvider;
- import org.jivesoftware.smackx.provider.MUCAdminProvider;
- import org.jivesoftware.smackx.provider.MUCOwnerProvider;
- import org.jivesoftware.smackx.provider.MUCUserProvider;
- import org.jivesoftware.smackx.provider.MessageEventProvider;
- import org.jivesoftware.smackx.provider.MultipleAddressesProvider;
- import org.jivesoftware.smackx.provider.RosterExchangeProvider;
- import org.jivesoftware.smackx.provider.StreamInitiationProvider;
- import org.jivesoftware.smackx.provider.VCardProvider;
- import org.jivesoftware.smackx.provider.XHTMLExtensionProvider;
- import org.jivesoftware.smackx.search.UserSearch;
- import csdn.shimiso.eim.model.LoginConfig;
- /**
- *
- * XMPP伺服器連線工具類.
- *
- * @author shimiso
- */
- public class XmppConnectionManager {
- private XMPPConnection connection;
- private static ConnectionConfiguration connectionConfig;
- private static XmppConnectionManager xmppConnectionManager;
- private XmppConnectionManager() {
- }
- public static XmppConnectionManager getInstance() {
- if (xmppConnectionManager == null) {
- xmppConnectionManager = new XmppConnectionManager();
- }
- return xmppConnectionManager;
- }
- // init
- public XMPPConnection init(LoginConfig loginConfig) {
- Connection.DEBUG_ENABLED = false;
- ProviderManager pm = ProviderManager.getInstance();
- configure(pm);
- connectionConfig = new ConnectionConfiguration(
- loginConfig.getXmppHost(), loginConfig.getXmppPort(),
- loginConfig.getXmppServiceName());
- connectionConfig.setSASLAuthenticationEnabled(false);// 不使用SASL驗證,設定為false
- connectionConfig
- .setSecurityMode(ConnectionConfiguration.SecurityMode.enabled);
- // 允許自動連線
- connectionConfig.setReconnectionAllowed(false);
- // 允許登陸成功後更新線上狀態
- connectionConfig.setSendPresence(true);
- // 收到好友邀請後manual表示需要經過同意,accept_all表示不經同意自動為好友
- Roster.setDefaultSubscriptionMode(Roster.SubscriptionMode.manual);
- connection = new XMPPConnection(connectionConfig);
- return connection;
- }
- /**
- *
- * 返回一個有效的xmpp連線,如果無效則返回空.
- *
- * @return
- * @author shimiso
- * @update 2012-7-4 下午6:54:31
- */
- public XMPPConnection getConnection() {
- if (connection == null) {
- throw new RuntimeException("請先初始化XMPPConnection連線");
- }
- return connection;
- }
- /**
- *
- * 銷燬xmpp連線.
- *
- * @author shimiso
- * @update 2012-7-4 下午6:55:03
- */
- public void disconnect() {
- if (connection != null) {
- connection.disconnect();
- }
- }
- public void configure(ProviderManager pm) {
- // Private Data Storage
- pm.addIQProvider("query", "jabber:iq:private",
- new PrivateDataManager.PrivateDataIQProvider());
- // Time
- try {
- pm.addIQProvider("query", "jabber:iq:time",
- Class.forName("org.jivesoftware.smackx.packet.Time"));
- } catch (ClassNotFoundException e) {
- }
- // XHTML
- pm.addExtensionProvider("html", "http://jabber.org/protocol/xhtml-im",
- new XHTMLExtensionProvider());
- // Roster Exchange
- pm.addExtensionProvider("x", "jabber:x:roster",
- new RosterExchangeProvider());
- // Message Events
- pm.addExtensionProvider("x", "jabber:x:event",
- new MessageEventProvider());
- // Chat State
- pm.addExtensionProvider("active",
- "http://jabber.org/protocol/chatstates",
- new ChatStateExtension.Provider());
- pm.addExtensionProvider("composing",
- "http://jabber.org/protocol/chatstates",
- new ChatStateExtension.Provider());
- pm.addExtensionProvider("paused",
- "http://jabber.org/protocol/chatstates",
- new ChatStateExtension.Provider());
- pm.addExtensionProvider("inactive",
- "http://jabber.org/protocol/chatstates",
- new ChatStateExtension.Provider());
- pm.addExtensionProvider("gone",
- "http://jabber.org/protocol/chatstates",
- new ChatStateExtension.Provider());
- // FileTransfer
- pm.addIQProvider("si", "http://jabber.org/protocol/si",
- new StreamInitiationProvider());
- // Group Chat Invitations
- pm.addExtensionProvider("x", "jabber:x:conference",
- new GroupChatInvitation.Provider());
- // Service Discovery # Items
- pm.addIQProvider("query", "http://jabber.org/protocol/disco#items",
- new DiscoverItemsProvider());
- // Service Discovery # Info
- pm.addIQProvider("query", "http://jabber.org/protocol/disco#info",
- new DiscoverInfoProvider());
- // Data Forms
- pm.addExtensionProvider("x", "jabber:x:data", new DataFormProvider());
- // MUC User
- pm.addExtensionProvider("x", "http://jabber.org/protocol/muc#user",
- new MUCUserProvider());
- // MUC Admin
- pm.addIQProvider("query", "http://jabber.org/protocol/muc#admin",
- new MUCAdminProvider());
- // MUC Owner
- pm.addIQProvider("query", "http://jabber.org/protocol/muc#owner",
- new MUCOwnerProvider());
- // Delayed Delivery
- pm.addExtensionProvider("x", "jabber:x:delay",
- new DelayInformationProvider());
- // Version
- try {
- pm.addIQProvider("query", "jabber:iq:version",
- Class.forName("org.jivesoftware.smackx.packet.Version"));
- } catch (ClassNotFoundException e) {
- }
- // VCard
- pm.addIQProvider("vCard", "vcard-temp", new VCardProvider());
- // Offline Message Requests
- pm.addIQProvider("offline", "http://jabber.org/protocol/offline",
- new OfflineMessageRequest.Provider());
- // Offline Message Indicator
- pm.addExtensionProvider("offline",
- "http://jabber.org/protocol/offline",
- new OfflineMessageInfo.Provider());
- // Last Activity
- pm.addIQProvider("query", "jabber:iq:last", new LastActivity.Provider());
- // User Search
- pm.addIQProvider("query", "jabber:iq:search", new UserSearch.Provider());
- // SharedGroupsInfo
- pm.addIQProvider("sharedgroup",
- "http://www.jivesoftware.org/protocol/sharedgroup",
- new SharedGroupsInfo.Provider());
- // JEP-33: Extended Stanza Addressing
- pm.addExtensionProvider("addresses",
- "http://jabber.org/protocol/address",
- new MultipleAddressesProvider());
- }
- }
這個類是xmpp連線的管理類,如果大家使用smack的api對這個應該不會陌生,asmack對xmpp連線的管理,與smack的差別不大,但是部分細微區別也有,我們在使用中如果遇到問題,還要多加註意,我們這裡將其設計成單例,畢竟重複建立連線是個非常消耗的過程。
4.原始碼下載
參閱文獻
Openfirehttp://www.igniterealtime.org/
push-notificationhttp://www.push-notification.org/
Claros chathttp://www.claros.org/
androidpnsourceforgehttp://sourceforge.net/projects/androidpn/
android訊息推送解決方案http://www.cnblogs.com/hanyonglu/archive/2012/03/04/2378971.html
xmpp協議實現原理介紹 http://www.cnblogs.com/hanyonglu/archive/2012/03/04/2378956.html
轉載請標明出處http://blog.csdn.net/shimiso
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