TotalGroupMemberActivity.java

package cn.rongcloud.im.ui.activity;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

import cn.rongcloud.im.App;
import cn.rongcloud.im.R;
import cn.rongcloud.im.SealUserInfoManager;
import cn.rongcloud.im.db.Friend;
import cn.rongcloud.im.db.GroupMember;
import cn.rongcloud.im.server.pinyin.CharacterParser;
import cn.rongcloud.im.server.utils.RongGenerate;
import cn.rongcloud.im.server.widget.SelectableRoundedImageView;
import io.rong.imageloader.core.ImageLoader;
import io.rong.imlib.model.Conversation;
import io.rong.imlib.model.UserInfo;

/**
 * Created by AMing on 16/7/1.
 * Company RongCloud
 */
public class TotalGroupMemberActivity extends BaseActivity {
    private static final int CLICK_CONVERSATION_USER_PORTRAIT = 1;

    private List<GroupMember> mGroupMember;

    private ListView mTotalListView;
    private TotalGroupMember adapter;
    private EditText mSearch;
    private String mGroupID;

    @Override
    @SuppressWarnings("unchecked")
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_toatl_member);
        setTitle(R.string.total_member);
        initViews();
        mGroupID = getIntent().getStringExtra("targetId");
        SealUserInfoManager.getInstance().getGroupMembers(mGroupID, new SealUserInfoManager.ResultCallback<List<GroupMember>>() {
            @Override
            public void onSuccess(List<GroupMember> groupMembers) {
                mGroupMember = groupMembers;
                if (mGroupMember != null && mGroupMember.size() > 0) {
                    setTitle(getString(R.string.total_member) + "(" + mGroupMember.size() + ")");
                    adapter = new TotalGroupMember(mGroupMember, mContext);
                    mTotalListView.setAdapter(adapter);
                    mTotalListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                        @Override
                        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                            GroupMember bean = (GroupMember) adapter.getItem(position);
                            UserInfo userInfo = new UserInfo(bean.getUserId(), bean.getName(),
                                                             TextUtils.isEmpty(bean.getPortraitUri().toString())
                                                                     ? Uri.parse(RongGenerate.generateDefaultAvatar(bean.getName(), bean.getUserId())) : bean.getPortraitUri());
                            Intent intent = new Intent(mContext, UserDetailActivity.class);
                            Friend friend = CharacterParser.getInstance().generateFriendFromUserInfo(userInfo);
                            intent.putExtra("friend", friend);
                            intent.putExtra("type", CLICK_CONVERSATION_USER_PORTRAIT);
                            intent.putExtra("conversationType", Conversation.ConversationType.GROUP.getValue());
                            startActivity(intent);
                        }
                    });
                    mSearch.addTextChangedListener(new TextWatcher() {
                        @Override
                        public void beforeTextChanged(CharSequence s, int start, int count, int after) {

                        }

                        @Override
                        public void onTextChanged(CharSequence s, int start, int before, int count) {
                            filterData(s.toString());
                        }

                        @Override
                        public void afterTextChanged(Editable s) {

                        }
                    });
                }
            }

            @Override
            public void onError(String errString) {

            }
        });
    }

    private void filterData(String s) {
        List<GroupMember> filterDateList = new ArrayList<>();
        if (TextUtils.isEmpty(s)) {
            filterDateList = mGroupMember;
        } else {
            for (GroupMember groupMember : mGroupMember) {
                if (groupMember.getDisplayName().contains(s) || groupMember.getName().contains(s)) {
                    filterDateList.add(groupMember);
                }
            }
        }
        adapter.updateListView(filterDateList);
    }

    private void initViews() {
        mTotalListView = (ListView) findViewById(R.id.total_listview);
        mSearch = (EditText) findViewById(R.id.group_member_search);
    }


    class TotalGroupMember extends BaseAdapter {

        private List<GroupMember> list;

        private Context context;

        private ViewHolder holder;


        public TotalGroupMember(List<GroupMember> list, Context mContext) {
            this.list = list;
            this.context = mContext;
        }

        @Override
        public int getCount() {
            return list.size();
        }

        @Override
        public Object getItem(int position) {
            return list.get(position);
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            if (convertView == null) {
                holder = new ViewHolder();
                convertView = LayoutInflater.from(context).inflate(R.layout.share_item, parent, false);
                holder.mImageView = (SelectableRoundedImageView) convertView.findViewById(R.id.share_icon);
                holder.title = (TextView) convertView.findViewById(R.id.share_name);
                convertView.setTag(holder);
            } else {
                holder = (ViewHolder) convertView.getTag();
            }
            GroupMember bean = list.get(position);
            Friend friend = SealUserInfoManager.getInstance().getFriendByID(bean.getUserId());
            if (friend != null && !TextUtils.isEmpty(friend.getDisplayName())) {
                holder.title.setText(friend.getDisplayName());
            } else {
                holder.title.setText(bean.getName());
            }
            String portraitUri = SealUserInfoManager.getInstance().getPortraitUri(bean);
            ImageLoader.getInstance().displayImage(portraitUri, holder.mImageView, App.getOptions());
            return convertView;
        }


        public void updateListView(List<GroupMember> list) {
            this.list = list;
            notifyDataSetChanged();
        }
    }


    final static class ViewHolder {
        /**
         * 头像
         */
        SelectableRoundedImageView mImageView;

        TextView title;
    }
}