我正在尝试在 gmail 中获取在线朋友列表，我正在登录，也可以与朋友电子邮件 id 聊天。但没有获取列表。谢谢
import android.app.ListActivity;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.indianic.frdinfo.FriendInfo;
import com.indianic.frdinfo.STATUS;
import com.indianic.interfac.IAppManager;
import com.indianic.service.IMService;
public class FriendList extends ListActivity
{
private static final int ADD_NEW_FRIEND_ID = Menu.FIRST;
private static final int EXIT_APP_ID = Menu.FIRST + 1;
private IAppManager imService = null;
private FriendListAdapter friendAdapter;
private class FriendListAdapter extends BaseAdapter
{
class ViewHolder {
TextView text;
ImageView icon;
}
private LayoutInflater mInflater;
private Bitmap mOnlineIcon;
private Bitmap mOfflineIcon;
private FriendInfo[] friends = null;
public FriendListAdapter(Context context) {
super();
mInflater = LayoutInflater.from(context);
mOnlineIcon = BitmapFactory.decodeResource(context.getResources(), R.drawable.greenstar);
mOfflineIcon = BitmapFactory.decodeResource(context.getResources(), R.drawable.redstar);
}
public void setFriendList(FriendInfo[] friends)
{
this.friends = friends;
}
public int getCount() {
return friends.length;
}
public FriendInfo getItem(int position) {
return friends[position];
}
public long getItemId(int position) {
return 0;
}
public View getView(int position, View convertView, ViewGroup parent) {
// A ViewHolder keeps references to children views to avoid unneccessary calls
// to findViewById() on each row.
ViewHolder holder;
// When convertView is not null, we can reuse it directly, there is no need
// to reinflate it. We only inflate a new View when the convertView supplied
// by ListView is null.
if (convertView == null)
{
convertView = mInflater.inflate(R.layout.friend_list_screen, null);
// Creates a ViewHolder and store references to the two children views
// we want to bind data to.
holder = new ViewHolder();
holder.text = (TextView) convertView.findViewById(R.id.text);
holder.icon = (ImageView) convertView.findViewById(R.id.icon);
convertView.setTag(holder);
}
else {
// Get the ViewHolder back to get fast access to the TextView
// and the ImageView.
holder = (ViewHolder) convertView.getTag();
}
// Bind the data efficiently with the holder.
holder.text.setText(friends[position].userName);
holder.icon.setImageBitmap(friends[position].status == STATUS.ONLINE ? mOnlineIcon : mOfflineIcon);
return convertView;
}
}
public class MessageReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Log.i("Broadcast receiver ", "received a message");
Bundle extra = intent.getExtras();
if (extra != null)
{
String action = intent.getAction();
if (action.equals(IMService.FRIEND_LIST_UPDATED))
{
// taking friend List from broadcast
//String rawFriendList = extra.getString(FriendInfo.FRIEND_LIST);
//FriendList.this.parseFriendInfo(rawFriendList);
FriendList.this.updateData(FriendController.getFriendsInfo(),
FriendController.getUnapprovedFriendsInfo());
}
}
}
};
public MessageReceiver messageReceiver = new MessageReceiver();
private ServiceConnection mConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder service) {
imService = ((IMService.IMBinder)service).getService();
FriendInfo[] friends = FriendController.getFriendsInfo(); //imService.getLastRawFriendList();
if (friends != null) {
FriendList.this.updateData(friends, null); // parseFriendInfo(friendList);
}
setTitle(imService.getUsername() + "'s friend list");
}
public void onServiceDisconnected(ComponentName className) {
imService = null;
Toast.makeText(FriendList.this, R.string.local_service_stopped,
Toast.LENGTH_SHORT).show();
}
};
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.list_screen);
friendAdapter = new FriendListAdapter(this);
}
public void updateData(FriendInfo[] friends, FriendInfo[] unApprovedFriends)
{
if (friends != null) {
friendAdapter.setFriendList(friends);
setListAdapter(friendAdapter);
}
if (unApprovedFriends != null)
{
NotificationManager NM = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
if (unApprovedFriends.length > 0)
{
String tmp = new String();
for (int j = 0; j < unApprovedFriends.length; j++) {
tmp = tmp.concat(unApprovedFriends[j].userName).concat(",");
}
Notification notification = new Notification(R.drawable.stat_sample,
getText(R.string.new_friend_request_exist),
System.currentTimeMillis());
//Intent i = new Intent(this, UnApprovedFriendList.class);
// i.putExtra(FriendInfo.FRIEND_LIST, tmp);
// PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
// i, 0);
// notification.setLatestEventInfo(this, getText(R.string.new_friend_request_exist),
// "You have new friend request(s)",
// contentIntent);
NM.notify(R.string.new_friend_request_exist, notification);
}
else
{
// if any request exists, then cancel it
NM.cancel(R.string.new_friend_request_exist);
}
}
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
super.onListItemClick(l, v, position, id);
Intent i = new Intent(this, Messaging.class);
FriendInfo friend = friendAdapter.getItem(position);
if (friend.status == STATUS.ONLINE)
{
i.putExtra(FriendInfo.USERNAME, friend.userName);
i.putExtra(FriendInfo.PORT, friend.port);
i.putExtra(FriendInfo.IP, friend.ip);
startActivity(i);
}
else
{
Toast.makeText(FriendList.this, R.string.user_offline, Toast.LENGTH_SHORT).show();
}
}
@Override
protected void onPause()
{
unregisterReceiver(messageReceiver);
unbindService(mConnection);
super.onPause();
}
@Override
protected void onResume()
{
super.onResume();
bindService(new Intent(FriendList.this, IMService.class), mConnection , Context.BIND_AUTO_CREATE);
IntentFilter i = new IntentFilter();
//i.addAction(IMService.TAKE_MESSAGE);
i.addAction(IMService.FRIEND_LIST_UPDATED);
registerReceiver(messageReceiver, i);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
boolean result = super.onCreateOptionsMenu(menu);
menu.add(0, ADD_NEW_FRIEND_ID, 0, R.string.add_new_friend);
menu.add(0, EXIT_APP_ID, 0, R.string.exit_application);
return result;
}
@Override
public boolean onMenuItemSelected(int featureId, MenuItem item)
{
switch(item.getItemId())
{
case ADD_NEW_FRIEND_ID:
{
// Intent i = new Intent(FriendList.this, AddFriend.class);
// startActivity(i);
return true;
}
case EXIT_APP_ID:
{
imService.exit();
finish();
return true;
}
}
return super.onMenuItemSelected(featureId, item);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
}
}