Notes

package ppld7.klilink.ui.main.order.chat;

import android.Manifest;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.text.TextUtils;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;

import com.sendbird.android.BaseChannel;
import com.sendbird.android.BaseMessage;
import com.sendbird.android.GroupChannel;
import com.sendbird.android.PreviousMessageListQuery;
import com.sendbird.android.SendBird;
import com.sendbird.android.SendBirdException;
import com.sendbird.android.User;
import com.sendbird.android.UserMessage;

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

import javax.inject.Inject;

import ppld7.klilink.R;
import ppld7.klilink.ui.base.BaseActivity;

/**
* Created by Vyom on 1/3/2017. (https://github.com/ledzep9012/SendbirdDemo/)
* Modified by Ibam on 5/27/2018.
*/

public class ChatActivity extends BaseActivity implements ChatMvpView, View.OnClickListener {

public static final String INTENT_KEY_USER_ID = "UserId";
public static final String INTENT_KEY_USER_NAME = "UserName";
private static final String TAG = "ChatActivity";
// The unique channelIdentifier for the group channel handler
private static final String channelIdentifier = "SendbirdTest";
// All the channels must be distinct. This will allow them to be reused and get previous messages
private static final boolean IS_DISTINCT = true;
// Maximum load 30 messages
private static final int MAXIMUM_MESSAGES_LOAD = 30;
@Inject
ChatMvpPresenter<ChatMvpView> mPresenter;
// Views
private RecyclerView mMessagesRecyclerView;
private EditText mMessageBoxEditText;
private ImageView mViewButton;

private Context mContext;
private String mReceiverId;
private String mReceiverName;
private List<UserMessage> mMessagesLit;
private RecyclerView.LayoutManager mLayoutManager;
private ChatAdapter mMessagesListAdapter;
private GroupChannel mGroupChannel;

public static Intent getStartIntent(String mReceiverId, String mReceiverName, Context context) {
Intent intent = new Intent(context, ChatActivity.class);
intent.putExtra(INTENT_KEY_USER_ID, mReceiverId);
intent.putExtra(INTENT_KEY_USER_NAME, mReceiverName);
return intent;
}

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_chat);

getActivityComponent().inject(this);
mPresenter.onAttach(this);
mContext = getApplicationContext();

setUp();
}

@Override
protected void setUp() {
initViews();
initRV();
getUserId();
setUpToolbar();
connectSendbird();
}

private void connectSendbird() {
showLoading();
mPresenter.connectToSendbird();
}

@Override
public void onConnectFailed(String message) {
hideLoading();
showMessage(message);
}

@Override
public void onConnectSuccess() {
hideLoading();
createChannel();
}

private void setUpToolbar() {
Toolbar toolbar = findViewById(R.id.toolbar);
toolbar.setTitle(mReceiverName);
toolbar.setTitleTextColor(getResources().getColor(R.color.white));
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setDisplayShowHomeEnabled(true);

final Drawable upArrow = getResources().getDrawable(R.drawable.ic_back);
upArrow.setColorFilter(getResources().getColor(R.color.white), PorterDuff.Mode.SRC_ATOP);
getSupportActionBar().setHomeAsUpIndicator(upArrow);


toolbar.setNavigationOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finish();
}
});

toolbar.inflateMenu(R.menu.menu_call_on_chat);

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_call_on_chat, menu);
return true;
}


private void initViews() {
mMessagesRecyclerView = (RecyclerView) findViewById(R.id.messages_recycler_view);
mMessageBoxEditText = (EditText) findViewById(R.id.edittext_chat);

mViewButton = (ImageView) findViewById(R.id.button_chat_send);
mViewButton.setOnClickListener(this);

}



private void getUserId() {
mReceiverId = getIntent().getExtras().getString(INTENT_KEY_USER_ID);
mReceiverName = getIntent().getExtras().getString(INTENT_KEY_USER_NAME);
Log.e(TAG, "The receiver is " + mReceiverId + ":" + mReceiverName);
}

private void initRV() {
mLayoutManager = new LinearLayoutManager(this);
mMessagesRecyclerView.setLayoutManager(mLayoutManager);
}

private void createChannel() {
List<String> userIdsList = new ArrayList<String>();
userIdsList.add(mReceiverId);
GroupChannel.createChannelWithUserIds(userIdsList, IS_DISTINCT, new GroupChannel.GroupChannelCreateHandler() {
@Override
public void onResult(GroupChannel groupChannel, SendBirdException e) {
if (e != null) {
Toast.makeText(mContext, "" + e.getCode() + ":" + e.getMessage(), Toast.LENGTH_SHORT).show();
return;
}

mGroupChannel = groupChannel;

setGeneralChannelHandler();
// Load messages
loadMessages(groupChannel);
}
});
}

private void setGeneralChannelHandler() {
SendBird.addChannelHandler(channelIdentifier, new SendBird.ChannelHandler() {
@Override
public void onMessageReceived(BaseChannel baseChannel, BaseMessage baseMessage) {
Log.d(TAG, "New message received " + baseMessage.getMessageId());
if (mGroupChannel != null && baseChannel.getUrl().equals(mGroupChannel.getUrl())) {
if (mMessagesListAdapter != null && baseMessage instanceof UserMessage) {
printUserMesage((UserMessage) baseMessage);
mGroupChannel.markAsRead();
mMessagesListAdapter.addMessage((UserMessage) baseMessage);
// Move the list to the last item
mMessagesRecyclerView.smoothScrollToPosition(mMessagesListAdapter.getItemCount());
}
}
}

@Override
public void onReadReceiptUpdated(GroupChannel groupChannel) {
Log.d(TAG, "The read receipt has been updated for the channel " + groupChannel.getUrl());
}

@Override
public void onTypingStatusUpdated(GroupChannel groupChannel) {
Log.d(TAG, "The typing status has been updated for the channel " + groupChannel.getUrl());
}

@Override
public void onUserJoined(GroupChannel groupChannel, User user) {
Log.d(TAG, "New user joined to the channel " + groupChannel.getUrl() + ", " + user.getNickname());
}

@Override
public void onUserLeft(GroupChannel groupChannel, User user) {
Log.d(TAG, "User left on the channel " + groupChannel.getUrl() + ", " + user.getNickname());
}
});
}

private void loadMessages(GroupChannel groupChannel) {
PreviousMessageListQuery previousMessageListQuery = groupChannel.createPreviousMessageListQuery();
previousMessageListQuery.load(MAXIMUM_MESSAGES_LOAD, false, new PreviousMessageListQuery.MessageListQueryResult() {
@Override
public void onResult(List<BaseMessage> baseMessagesList, SendBirdException e) {
if (e != null) {
Toast.makeText(mContext, "" + e.getCode() + ":" + e.getMessage(), Toast.LENGTH_SHORT).show();
return;
}

mMessagesLit = new ArrayList<UserMessage>();
mMessagesListAdapter = new ChatAdapter(SendBird.getCurrentUser().getUserId(),
mMessagesLit, ChatActivity.this);
mMessagesRecyclerView.setAdapter(mMessagesListAdapter);

for (BaseMessage baseMessage : baseMessagesList) {
if (baseMessage instanceof UserMessage) {
UserMessage userMessage = (UserMessage) baseMessage;
printUserMesage(userMessage);
mMessagesListAdapter.addMessage(userMessage);
}

// Move the list to the last item
mMessagesRecyclerView.smoothScrollToPosition(mMessagesListAdapter.getItemCount());
}
}
});
}

private void printUserMesage(UserMessage userMessage) {
Log.d(TAG, "User message {" +
"Sender: " + userMessage.getSender().getNickname() +
", Message: " + userMessage.getMessage() +
", Data: " + userMessage.getData() +
", RequestId: " + userMessage.getRequestId() +
", Created at: " + userMessage.getCreatedAt() +
"}"
);
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.btn_call_on_chat:
Intent callIntent = new Intent(Intent.ACTION_DIAL);
callIntent.setData(Uri.parse("tel:" + "000"));
startActivity(callIntent);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.button_chat_send:
if (mGroupChannel == null) {
Log.d(TAG, "The group channel must be ready when the user want to send the message");
return;
}

final String textToSend = mMessageBoxEditText.getText().toString().trim();
if (!TextUtils.isEmpty(textToSend)) {
mGroupChannel.sendUserMessage(textToSend, new BaseChannel.SendUserMessageHandler() {
@Override
public void onSent(UserMessage userMessage, SendBirdException e) {
if (e != null) {
Toast.makeText(mContext, "" + e.getCode() + ":" + e.getMessage(), Toast.LENGTH_SHORT).show();
return;
}

Log.v(TAG, "Message sent to" + mReceiverName + ":" + textToSend);
mMessageBoxEditText.setText("");

// Update the users list
mMessagesListAdapter.addMessage(userMessage);
// Move the list to the last item
mMessagesRecyclerView.smoothScrollToPosition(mMessagesListAdapter.getItemCount());
}
});
}
break;
// case R.id.btn_call_on_chat:
// break;
}
}
}