GroupSimpleDetailActivity.java

/**
 * Copyright (C) 2016 Hyphenate Inc. All rights reserved.
 *
 * 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.fanxin.huangfangyi.ui;

import com.hyphenate.chat.EMClient;
import com.hyphenate.chat.EMGroup;
import com.hyphenate.chat.EMGroupInfo;
import com.fanxin.huangfangyi.R;
import com.hyphenate.exceptions.HyphenateException;

import android.app.ProgressDialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;

public class GroupSimpleDetailActivity extends BaseActivity {
	private Button btn_add_group;
	private TextView tv_admin;
	private TextView tv_name;
	private TextView tv_introduction;
	private EMGroup group;
	private String groupid;
	private ProgressBar progressBar;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.em_activity_group_simle_details);
		tv_name = (TextView) findViewById(R.id.name);
		tv_admin = (TextView) findViewById(R.id.tv_admin);
		btn_add_group = (Button) findViewById(R.id.btn_add_to_group);
		tv_introduction = (TextView) findViewById(R.id.tv_introduction);
		progressBar = (ProgressBar) findViewById(R.id.loading);

		EMGroupInfo groupInfo = (EMGroupInfo) getIntent().getSerializableExtra("groupinfo");
		String groupname = null;
		if(groupInfo != null){
		    groupname = groupInfo.getGroupName();
		    groupid = groupInfo.getGroupId();
		}else{
		    group = PublicGroupsSeachActivity.searchedGroup;
		    if(group == null)
		        return;
		    groupname = group.getGroupName();
		    groupid = group.getGroupId();
		}
		
		tv_name.setText(groupname);
		
		
		if(group != null){
		    showGroupDetail();
		    return;
		}
		new Thread(new Runnable() {

			public void run() {
				//get detail from server
				try {
					group = EMClient.getInstance().groupManager().getGroupFromServer(groupid);
					runOnUiThread(new Runnable() {
						public void run() {
							showGroupDetail();
						}
					});
				} catch (final HyphenateException e) {
					e.printStackTrace();
					final String st1 = getResources().getString(R.string.Failed_to_get_group_chat_information);
					runOnUiThread(new Runnable() {
						public void run() {
							progressBar.setVisibility(View.INVISIBLE);
							Toast.makeText(GroupSimpleDetailActivity.this, st1+e.getMessage(), 1).show();
						}
					});
				}
				
			}
		}).start();
		
	}
	
	//join the group
	public void addToGroup(View view){
		String st1 = getResources().getString(R.string.Is_sending_a_request);
		final String st2 = getResources().getString(R.string.Request_to_join);
		final String st3 = getResources().getString(R.string.send_the_request_is);
		final String st4 = getResources().getString(R.string.Join_the_group_chat);
		final String st5 = getResources().getString(R.string.Failed_to_join_the_group_chat);
		final ProgressDialog pd = new ProgressDialog(this);
		pd.setMessage(st1);
		pd.setCanceledOnTouchOutside(false);
		pd.show();
		new Thread(new Runnable() {
			public void run() {
				try {
					//if group is membersOnly，you need apply to join
					if(group.isMembersOnly()){
					    EMClient.getInstance().groupManager().applyJoinToGroup(groupid, st2);
					}else{
					    EMClient.getInstance().groupManager().joinGroup(groupid);
					}
					runOnUiThread(new Runnable() {
						public void run() {
							pd.dismiss();
							if(group.isMembersOnly())
								Toast.makeText(GroupSimpleDetailActivity.this, st3, 0).show();
							else
								Toast.makeText(GroupSimpleDetailActivity.this, st4, 0).show();
							btn_add_group.setEnabled(false);
						}
					});
				} catch (final HyphenateException e) {
					e.printStackTrace();
					runOnUiThread(new Runnable() {
						public void run() {
							pd.dismiss();
							Toast.makeText(GroupSimpleDetailActivity.this, st5+e.getMessage(), 0).show();
						}
					});
				}
			}
		}).start();
	}
	
     private void showGroupDetail() {
         progressBar.setVisibility(View.INVISIBLE);

         //get group detail, and you are not in, then show join button
         if(!group.getMembers().contains(EMClient.getInstance().getCurrentUser()))
             btn_add_group.setEnabled(true);
         tv_name.setText(group.getGroupName());
         tv_admin.setText(group.getOwner());
         tv_introduction.setText(group.getDescription());
     }
	
	public void back(View view){
		finish();
	}
}