这是我更新 ListView 的代码
public void onReceive(Conversation newConversation, Message message) {
LogManager.getLogger(getClass()).info("onReceive");
Conversation conversation = null;
ListConversationAdapter adapter = (ListConversationAdapter)listViewConversation.getAdapter();
int size = adapter.getCount();
LogManager.getLogger(getClass()).info("size: " + size);
if(size > 0)
{
for(int i=0;i<size;i++)
{
if(adapter.getItemId(i) == newConversation.getId())
{
conversation = (Conversation)adapter.getItem(i);
break;
}
}
}
if(conversation == null)
{
adapter.addItem(newConversation);
LogManager.getLogger(getClass()).info("add new conversation to adapter");
}
LogManager.getLogger(getClass()).info("adapter.getCount(): " + adapter.getCount());
adapter.notifyDataSetChanged();
LogManager.getLogger(getClass()).info("notify dataset changed");
}
}
这是我的方法调用后的输出结果
onReceive
size: 0
add new conversation to adapter
adapter.getCount(): 1
它停在 LogManager.getLogger(getClass()).info("adapter.getCount(): " + adapter.getCount()); 并锁定 adapter.notifyDataSetChanged(); 方法永远我的代码有什么问题?请帮帮我!这是 getView 方法
public View getView(int position, View convertView, ViewGroup parent) {
Conversation conversation = conversations.get(position);
if(conversation != null)
{
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
LinearLayout parentView = (LinearLayout) inflater.inflate(R.layout.conversation_item, null);
TextView textViewName = (TextView)parentView.findViewById(R.id.textViewName);
TextView textViewLastMessage = (TextView)parentView.findViewById(R.id.textViewLastMessage);
textViewName.setText(conversation.getName());
List<Message> messages = MessageManager.getProvider().getMessages(conversation.getId(), 0, 0);
if(messages.size() > 0)
{
Message message = messages.get(messages.size() - 1);
textViewLastMessage.setText(Emoticon.getSmiledText(message.getBody()));
}
LogManager.getLogger(getClass()).info("return not null view");
return parentView;
}
LogManager.getLogger(getClass()).info("return null view");
return null;
}