Java tutorial
/** * Copyright (C) 2013-2014 EaseMob Technologies. All rights reserved. * <p/> * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.easemob.chatuidemo.adapter; 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.android.volley.Request; import com.android.volley.RequestQueue; import com.android.volley.Response; import com.android.volley.VolleyError; import com.android.volley.toolbox.Volley; import com.boshu.utils.Model; import com.easemob.chatuidemo.db.InviteMessgeDao; import com.easemob.chatuidemo.domain.InviteMessage; import com.easemob.chatuidemo.domain.InviteMessage.InviteMesageStatus; import com.lifeisle.android.R; import com.lifeisle.jekton.util.network.AutoLoginRequest; import org.json.JSONObject; import java.util.List; import java.util.Map; 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); } @Override public 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); // holder.time = (TextView) convertView.findViewById(R.id.time); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } String str1 = context.getResources().getString(R.string.Has_agreed_to_your_friend_request); String str2 = context.getResources().getString(R.string.agree); String str3 = context.getResources().getString(R.string.Request_to_add_you_as_a_friend); String str4 = context.getResources().getString(R.string.Apply_to_the_group_of); String str5 = context.getResources().getString(R.string.Has_agreed_to); String str6 = context.getResources().getString(R.string.Has_refused_to); final InviteMessage msg = getItem(position); if (msg != null) { if (msg.getGroupId() != null) { // ??? 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()); // holder.time.setText(DateUtils.getTimestampString(new // Date(msg.getTime()))); if (msg.getStatus() == InviteMesageStatus.BEAGREED) { holder.status.setVisibility(View.INVISIBLE); holder.reason.setText(str1); } else if (msg.getStatus() == InviteMesageStatus.BEINVITEED || msg.getStatus() == InviteMesageStatus.BEAPPLYED) { holder.status.setVisibility(View.VISIBLE); holder.status.setEnabled(true); holder.status.setBackgroundResource(android.R.drawable.btn_default); holder.status.setText(str2); if (msg.getStatus() == InviteMesageStatus.BEINVITEED) { if (msg.getReason() == null) { // ? holder.reason.setText(str3); } } else { // if (TextUtils.isEmpty(msg.getReason())) { holder.reason.setText(str4 + msg.getGroupName()); } } // holder.status.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // ???? acceptInvitation(holder.status, msg); } }); } else if (msg.getStatus() == InviteMesageStatus.AGREED) { holder.status.setText(str5); holder.status.setBackgroundDrawable(null); holder.status.setEnabled(false); } else if (msg.getStatus() == InviteMesageStatus.REFUSED) { holder.status.setText(str6); holder.status.setBackgroundDrawable(null); holder.status.setEnabled(false); } // ? } return convertView; } private static class ViewHolder { ImageView avator; TextView name; TextView reason; Button status; LinearLayout groupContainer; TextView groupname; // TextView time; } /** * ??? * * @param button * @param username */ public void acceptInvitation(final Button button, final InviteMessage msg) { final ProgressDialog pd = new ProgressDialog(context); String str1 = context.getResources().getString(R.string.Are_agree_with); final String str2 = context.getResources().getString(R.string.Has_agreed_to); final String str3 = context.getResources().getString(R.string.Agree_with_failure); pd.setMessage(str1); pd.setCanceledOnTouchOutside(false); pd.show(); RequestQueue requestQueue = Volley.newRequestQueue(context); requestQueue.start(); requestQueue.add(new AutoLoginRequest(context, Request.Method.POST, Model.PathLoad, new Response.Listener<JSONObject>() { @Override public void onResponse(JSONObject response) { pd.dismiss(); button.setText(str2); msg.setStatus(InviteMesageStatus.AGREED); // 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); } }, new Response.ErrorListener() { @Override public void onErrorResponse(VolleyError error) { Toast.makeText(context, str3 + error.getMessage(), 1).show(); } }) { @Override protected void setParams(Map<String, String> params) { if (msg.getGroupId() == null) {//??? params.put("sys", "msg"); params.put("ctrl", "msger"); params.put("action", "add_friend"); params.put("friend_name", msg.getFrom()); } else //?? { params.put("sys", "msg"); params.put("ctrl", "msger"); params.put("action", "agree_group"); params.put("stranger", msg.getFrom()); params.put("group_sn", msg.getGroupId()); } } }); } }