我正在创建一个即时通讯应用程序，使用此代码下面的doAllconnections方法，我可以通过简单的界面连接和聊天，只需编辑文本，textview和发送按钮。但是现在我正在尝试改进它并将传入或接收的消息保存在android数据库中并使用列表视图来显示它们。但是当doAllConnections到达connection.login时它从不登录也没有任何错误。我使用开火作为服务器。请帮助！
public class MainActivity extends Activity {
SqlHandler sqlHandler;
ListView lvCustomList;
EditText enter_message;
ImageButton btn_send;
TextView umf_tv_msgs_display, umf_tv_nname;
private XMPPConnection connection;
ChatManager chatmanager;
Chat newChat;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lvCustomList = (ListView) findViewById(R.id.lv_custom_list);
enter_message = (EditText) findViewById(R.id.enter_message);
btn_send = (ImageButton) findViewById(R.id.imageButton2);
// inflate upper_main_framelayout
//FrameLayout f = (FrameLayout) findViewById(R.id.upper_main_framelayout);
//LayoutInflater l = getLayoutInflater();
//View v = l.inflate(R.layout.upper_main_framelayout_xml, null);
//f.addView(v);
// get layout components of upper_main_framelayout into java
umf_tv_msgs_display = (TextView) findViewById(R.id.tv_msgs_display);
umf_tv_nname = (TextView) findViewById(R.id.tv_nname);
// get instance of sqlHandler (help with running sql query), then ask showlist to setup listview
sqlHandler = new SqlHandler(this);
showList();
// set chat connection by calling doAllconnections
Thread thread = new Thread(new Runnable(){
@Override
public void run() {
try {
doAllconnections();
} catch (Exception e) {
}
}
});
thread.start();
// send button handler
btn_send.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (enter_message.getText().toString().isEmpty()){
}
else {
// get date and time in the stated format and put message in msg variable
Calendar c = Calendar.getInstance();
SimpleDateFormat dateformat = new SimpleDateFormat("dd-MM-yyyy");
SimpleDateFormat timeformat = new SimpleDateFormat("HH:mm:ss");
String date = dateformat.format(c.getTime());
String time = timeformat.format(c.getTime());
String msg = enter_message.getText().toString();
// send message
try {
newChat.sendMessage(enter_message.getText().toString());
runOnUiThread(new Runnable() {
public void run() {
umf_tv_msgs_display.setText("Message Sent!");
} });
}
catch (XMPPException e) {
runOnUiThread(new Runnable() {
public void run() {
umf_tv_msgs_display.setText("Message Delivery failed!"); } });
}
// store SENT message in database and refresh listview
String query = "INSERT INTO tbl_nickname(time,msg,date) values ('"+ time + "','" + msg + "','" + date + "')";
sqlHandler.executeQuery(query);
showList();
enter_message.setText("");
}
}
});
}
// handles all the listview updating and adding
private void showList() {
ArrayList<ContactListItems> contactList = new ArrayList<ContactListItems>();
contactList.clear();
String query = "SELECT * FROM tbl_nickname";
Cursor c1 = sqlHandler.selectQuery(query);
if (c1 != null && c1.getCount() != 0) {
if (c1.moveToFirst()) {
do {
ContactListItems contactListItems = new ContactListItems();
contactListItems.settime(c1.getString(c1.getColumnIndex("time")));
contactListItems.setmsg(c1.getString(c1.getColumnIndex("msg")));
contactListItems.setdate(c1.getString(c1.getColumnIndex("date")));
contactList.add(contactListItems);
} while (c1.moveToNext());
}
}
c1.close();
ContactListAdapter contactListAdapter = new ContactListAdapter(MainActivity.this, contactList);
lvCustomList.setAdapter(contactListAdapter);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
// chat server connections
public void doAllconnections(){
ConnectionConfiguration connConfig = new ConnectionConfiguration("192.168.1.101", 5222);
connConfig.setSASLAuthenticationEnabled(false);
connection = new XMPPConnection(connConfig);
// Connect to server
try {
connection.connect();
runOnUiThread(new Runnable() {
public void run() {
umf_tv_msgs_display.setText("Connected to " + connection.getHost()); } });
}
catch (XMPPException ex) {
runOnUiThread(new Runnable() {
public void run() {
umf_tv_msgs_display.setText("Failed to connect " + connection.getHost()); }});
}
// Login to server
runOnUiThread(new Runnable() {
public void run() {
umf_tv_msgs_display.setText("Logging in..."); }});
try {
Log.d("MESSAGE!!!", "before login!");
connection.login("abc1", "windows");
Log.d("MESSAGE!!!", "at login!");
runOnUiThread(new Runnable() {
public void run() {
umf_tv_msgs_display.setText("Logged in as " + connection.getUser()); }});
Presence presence = new Presence(Presence.Type.available);
connection.sendPacket(presence);
} catch (XMPPException ex) {
runOnUiThread(new Runnable() {
public void run() {
umf_tv_msgs_display.setText("Failed to log in as " + connection.getUser()); }});
}
// Setup chat and receiver
chatmanager = connection.getChatManager();
newChat = chatmanager.createChat("abc2@emonet", new MessageListener() {
public void processMessage(Chat chat, final Message message) {
runOnUiThread(new Runnable() {
public void run() {
// get date and time in the stated format: will use phone receiving time/date as received time/date
Calendar c = Calendar.getInstance();
SimpleDateFormat dateformat = new SimpleDateFormat("dd-MM-yyyy");
SimpleDateFormat timeformat = new SimpleDateFormat("HH:mm:ss");
String date = dateformat.format(c.getTime());
String time = timeformat.format(c.getTime());
String received_msg = message.getBody().toString();
// store RECEIVED message in database and refresh listview
String query = "INSERT INTO tbl_nickname(time,msg,date) values ('"+ time + "','" + received_msg + "','" + date + "')";
sqlHandler.executeQuery(query);
showList();
umf_tv_msgs_display.setText("Received message!"); }});
}});
}
}