49申请与通知的适配器的完成

来源：互联网发布：淘宝全球购是什么意思编辑：程序博客网时间：2024/04/29 01:21
需要注意的是：
1.ListView的优化（ViewHolder加convertView）
2.添加后需要更新数据库
3.adapter中怎么去调用runOnUiThread方法。
package com.dystu.impro.adapter;import java.util.List;import android.app.Activity;import android.app.ProgressDialog;import android.content.ContentValues;import android.content.Context;import android.text.TextUtils;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup;import android.widget.ArrayAdapter;import android.widget.Button;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import android.widget.Toast;import com.dystu.impro.R;import com.dystu.impro.db.dao.InviteMessgeDao;import com.dystu.impro.domain.InviteMessage;import com.dystu.impro.domain.InviteMessage.InviteMesageStatus;import com.easemob.chat.EMChatManager;import com.easemob.chat.EMGroupManager;public class NewFriendsMsgAdapter extends ArrayAdapter<InviteMessage> {private Context context;private InviteMessgeDao messgeDao;public NewFriendsMsgAdapter(Context context, int textViewResourceId,List<InviteMessage> objects) {super(context, textViewResourceId, objects);this.context = context;messgeDao = new InviteMessgeDao(context);}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {final ViewHolder holder;if (convertView == null) {holder = new ViewHolder();convertView = View.inflate(context, R.layout.row_invite_msg, null);holder.avator = (ImageView) convertView.findViewById(R.id.avatar);holder.reason = (TextView) convertView.findViewById(R.id.message);holder.name = (TextView) convertView.findViewById(R.id.name);holder.status = (Button) convertView.findViewById(R.id.user_state);holder.groupContainer = (LinearLayout) convertView.findViewById(R.id.ll_group);holder.groupname = (TextView) convertView.findViewById(R.id.tv_groupName);convertView.setTag(holder);}else {holder = (ViewHolder) convertView.getTag();}final InviteMessage msg = getItem(position);if (msg!=null) {if (msg.getGroupId() != null) {//显示群聊提示holder.groupContainer.setVisibility(View.VISIBLE);holder.groupname.setText(msg.getGroupName());}else {holder.groupContainer.setVisibility(View.GONE);}holder.reason.setText(msg.getReason());holder.name.setText(msg.getFrom());if (msg.getStatus() == InviteMesageStatus.BEAGREED) {holder.status.setVisibility(View.INVISIBLE);holder.reason.setText("已同意你的好友请求");}else if (msg.getStatus() == InviteMesageStatus.BEINVITEED || msg.getStatus() == InviteMesageStatus.BEAPPLYED) {holder.status.setVisibility(View.VISIBLE);holder.status.setText("同意");if (msg.getStatus() == InviteMesageStatus.BEINVITEED) {                    if (msg.getReason() == null) {                        // 如果没写理由                        holder.reason.setText("请求加你为好友");                    }                } else { // 入群申请                    if (TextUtils.isEmpty(msg.getReason())) {                        holder.reason.setText("申请加入群：" + msg.getGroupName());                    }                }                // 设置点击事件                holder.status.setOnClickListener(new OnClickListener() {                    @Override                    public void onClick(View v) {                        // 同意别人发的好友请求                        acceptInvitation(holder.status, msg);                    }                });}else if (msg.getStatus() == InviteMesageStatus.AGREED) {                holder.status.setText("已同意");                holder.status.setBackgroundDrawable(null);                holder.status.setEnabled(false);            } else if (msg.getStatus() == InviteMesageStatus.REFUSED) {                holder.status.setText("已拒绝");                holder.status.setBackgroundDrawable(null);                holder.status.setEnabled(false);            }}return convertView;}/** * 同意好友请求或者群申请 * @param button * @param msg */protected void acceptInvitation(final Button button, final InviteMessage msg) {        final ProgressDialog pd = new ProgressDialog(context);        pd.setMessage("正在同意...");        pd.setCanceledOnTouchOutside(false);        pd.show();        new Thread(new Runnable() {            public void run() {                // 调用sdk的同意方法                try {                    if (msg.getGroupId() == null) // 同意好友请求                        EMChatManager.getInstance().acceptInvitation(                                msg.getFrom());                    else                        // 同意加群申请                        EMGroupManager.getInstance().acceptApplication(                                msg.getFrom(), msg.getGroupId());                    ((Activity) context).runOnUiThread(new Runnable() {                        @Override                        public void run() {                            pd.dismiss();                            button.setText("已同意");                            msg.setStatus(InviteMesageStatus.AGREED);                            // 更新db                            ContentValues values = new ContentValues();                            values.put(InviteMessgeDao.COLUMN_NAME_STATUS, msg                                    .getStatus().ordinal());                            messgeDao.updateMessage(msg.getId(), values);                            button.setBackgroundDrawable(null);                            button.setEnabled(false);                        }                    });                } catch (final Exception e) {                    ((Activity) context).runOnUiThread(new Runnable() {                        @Override                        public void run() {                            pd.dismiss();                            Toast.makeText(context, "同意失败: " + e.getMessage(),                                    1).show();                        }                    });                }            }        }).start();    }private static class ViewHolder{/** * 用户头像 */ImageView avator;/** * 用户名 */TextView name;/** *  * 请求原因 */TextView reason;/** *  * 同意或者拒绝 */Button status;/** * 群组的线性布局 *  */LinearLayout groupContainer;/** * 群组名字 */TextView groupname;}}
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