package com.fanxin.app.fx.others; import java.util.List; import com.alibaba.fastjson.JSONArray; import com.alibaba.fastjson.JSONObject; import com.easemob.chat.EMGroup; import com.fanxin.app.Constant; import com.fanxin.app.R; import com.fanxin.app.fx.ChatActivity; import com.fanxin.app.fx.others.LoadUserAvatar.ImageDownloadedCallBack; import android.annotation.SuppressLint; import android.content.Context; import android.content.Intent; import android.graphics.Bitmap; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.RelativeLayout; import android.widget.TextView; @SuppressLint({ "SdCardPath", "InflateParams" }) public class ChatRoomAdapter extends BaseAdapter { Context context; List<EMGroup> grouplist; private LayoutInflater inflater; private LoadUserAvatar avatarLoader; public ChatRoomAdapter(Context context, List<EMGroup> grouplist) { this.context = context; this.grouplist = grouplist; inflater = LayoutInflater.from(context); avatarLoader = new LoadUserAvatar(context, "/sdcard/fanxin/"); } @Override public int getCount() { return grouplist.size(); } @Override public EMGroup getItem(int position) { return grouplist.get(position); } @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder = new ViewHolder(); EMGroup group = grouplist.get(position); String groupName_temp = group.getGroupName(); final String groupId = group.getGroupId(); int membersNum = 0; JSONObject jsonObject = JSONObject.parseObject(groupName_temp); JSONArray jsonarray = jsonObject.getJSONArray("jsonArray"); String groupName = jsonObject.getString("groupname"); String groupName_temp2 = ""; membersNum = jsonarray.size(); convertView = creatConvertView(membersNum); String[] avatars = new String[membersNum]; for (int i = 0; i < membersNum; i++) { JSONObject json = (JSONObject) jsonarray.get(i); if(i<5){ avatars[i] = json.getString("avatar"); } if (i == 0) { groupName_temp2 = json.getString("nick"); } else if (i < 4) { groupName_temp2 += "、" + json.getString("nick"); } else if (i == 4) { groupName_temp2 += "..."; } } if (groupName.equals("未命名")) { groupName = groupName_temp2; } if (membersNum == 1) { holder.tv_name = (TextView) convertView.findViewById(R.id.tv_name); holder.tv_name.setText(groupName); holder.iv_avatar1 = (ImageView) convertView .findViewById(R.id.iv_avatar1); showUserAvatar(holder.iv_avatar1, avatars[0]); } else if (membersNum == 2) { holder.tv_name = (TextView) convertView.findViewById(R.id.tv_name); holder.tv_name.setText(groupName); holder.iv_avatar1 = (ImageView) convertView .findViewById(R.id.iv_avatar1); holder.iv_avatar2 = (ImageView) convertView .findViewById(R.id.iv_avatar2); showUserAvatar(holder.iv_avatar1, avatars[0]); showUserAvatar(holder.iv_avatar2, avatars[1]); } else if (membersNum == 3) { holder.tv_name = (TextView) convertView.findViewById(R.id.tv_name); holder.tv_name.setText(groupName); holder.iv_avatar1 = (ImageView) convertView .findViewById(R.id.iv_avatar1); holder.iv_avatar2 = (ImageView) convertView .findViewById(R.id.iv_avatar2); holder.iv_avatar3 = (ImageView) convertView .findViewById(R.id.iv_avatar3); showUserAvatar(holder.iv_avatar3, avatars[2]); showUserAvatar(holder.iv_avatar1, avatars[0]); showUserAvatar(holder.iv_avatar2, avatars[1]); } else if (membersNum == 4) { holder.tv_name = (TextView) convertView.findViewById(R.id.tv_name); holder.tv_name.setText(groupName); holder.iv_avatar1 = (ImageView) convertView .findViewById(R.id.iv_avatar1); holder.iv_avatar2 = (ImageView) convertView .findViewById(R.id.iv_avatar2); holder.iv_avatar3 = (ImageView) convertView .findViewById(R.id.iv_avatar3); holder.iv_avatar4 = (ImageView) convertView .findViewById(R.id.iv_avatar4); showUserAvatar(holder.iv_avatar4, avatars[3]); showUserAvatar(holder.iv_avatar3, avatars[2]); showUserAvatar(holder.iv_avatar1, avatars[0]); showUserAvatar(holder.iv_avatar2, avatars[1]); } else if (membersNum > 4) { holder.tv_name = (TextView) convertView.findViewById(R.id.tv_name); holder.tv_name.setText(groupName); holder.iv_avatar1 = (ImageView) convertView .findViewById(R.id.iv_avatar1); holder.iv_avatar2 = (ImageView) convertView .findViewById(R.id.iv_avatar2); holder.iv_avatar3 = (ImageView) convertView .findViewById(R.id.iv_avatar3); holder.iv_avatar4 = (ImageView) convertView .findViewById(R.id.iv_avatar4); holder.iv_avatar5 = (ImageView) convertView .findViewById(R.id.iv_avatar5); showUserAvatar(holder.iv_avatar5, avatars[4]); showUserAvatar(holder.iv_avatar4, avatars[3]); showUserAvatar(holder.iv_avatar3, avatars[2]); showUserAvatar(holder.iv_avatar1, avatars[0]); showUserAvatar(holder.iv_avatar2, avatars[1]); } final String groupName_tem=groupName; // 为了item变色在此处写监听 RelativeLayout re_item = (RelativeLayout) convertView .findViewById(R.id.re_item); re_item.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // 进入群聊 Intent intent = new Intent(context, ChatActivity.class); // it is group chat intent.putExtra("chatType", ChatActivity.CHATTYPE_GROUP); intent.putExtra("groupId", groupId); intent.putExtra("groupName", groupName_tem); context.startActivity(intent); } }); return convertView; } private static class ViewHolder { TextView tv_name; ImageView iv_avatar1; ImageView iv_avatar2; ImageView iv_avatar3; ImageView iv_avatar4; ImageView iv_avatar5; } private void showUserAvatar(ImageView iamgeView, String avatar) { final String url_avatar = Constant.URL_Avatar + avatar; iamgeView.setTag(url_avatar); if (url_avatar != null && !url_avatar.equals("")) { Bitmap bitmap = avatarLoader.loadImage(iamgeView, url_avatar, new ImageDownloadedCallBack() { public void onImageDownloaded(ImageView imageView, Bitmap bitmap) { if (imageView.getTag() == url_avatar) { imageView.setImageBitmap(bitmap); } } }); if (bitmap != null) iamgeView.setImageBitmap(bitmap); } } private View creatConvertView( int size) { View convertView; switch (size) { case 1: convertView = inflater.inflate(R.layout.item_chatroom_1, null, false); break; case 2: convertView = inflater.inflate(R.layout.item_chatroom_2, null, false); break; case 3: convertView = inflater.inflate(R.layout.item_chatroom_3, null, false); break; case 4: convertView = inflater.inflate(R.layout.item_chatroom_4, null, false); break; case 5: convertView = inflater.inflate(R.layout.item_chatroom_5, null, false); default: convertView = inflater.inflate(R.layout.item_chatroom_5, null, false); break; } return convertView; } }