Develop Reference

I'm not getting Push Notification when new message send to user And app is in Background

I'm making chat application trying to get push notification when new message received to user from another when app is in background using send notifications between Android devices using Firebase Database, Cloud Messaging and Node.js.
I'm following this blog.Here's
[https://firebase.googleblog.com/2016/08/sending-notifications-between-android.html]
and below is my code which I tried.
#Override
public void onClick(View view) {
if (view.getId() == R.id.btnSend) {
String content = editWriteMessage.getText().toString().trim();
if (content.length() > 0) {
editWriteMessage.setText("");
Message newMessage = new Message();
newMessage.text = content;
newMessage.idSender = StaticConfig.UID;
newMessage.idReceiver = roomId;
newMessage.timestamp = System.currentTimeMillis();
FirebaseDatabase.getInstance().getReference().child("message/" + roomId).push().setValue(newMessage);
sendNotificationToUser(newMessage.idReceiver,newMessage.text);
}
}
}
public void sendNotificationToUser(String user, String message) {
Map notification = new HashMap<>();
notification.put("username", user);
notification.put("message", message);
FirebaseDatabase.getInstance().getReference().child("notificationRequests").push().setValue(notification);
}
By using above codes the username and message is getting saved in real time database in notificationRequests.
And I really don't have idea that how can the push notification is received by this line of code.
FirebaseMessaging.getInstance().subscribeToTopic("user_"+username);
And the most important where do i need to put the above code to make it work.
and also I have created the bucket to host my node.js file.
thanks in advance.

EDIT: I misunderstood your problem. Make sure that firebase messaging service is in your manifest.xml file.
Original:
Use the functions.database.ref().onCreate() method. Inside the ref() parameters put the path to your notification requests.
Here's some base code in TypeScript.
export const notificationListener = functions.database
.ref('/NotificationRequests/{notification}').onCreate((snapshot, context) =>
{
try {
admin.initializeApp();
} catch (e) {
}
//Code to send notification here
return admin.database().ref('/NotificationRequests/' + context.params.notification)
}
)
The information you need for the notification is located under snapshot.child('your path here').
See why and how this works

Implement receiver status(read or typing) in messaging app using smack - Android

I am creating an instant messaging app in android using smack library and openfire as a server but i cannot implement the feature of the person with whom the current user is talking to. i.e. like when user read the message or when he starts typing.
Is there any way of achieving this using smack or other ?

For knowing which user is current you must implement your own in your logic. You must use Roster (contact list in xmpp servers) to get contacts of current user and save them in database or somewhere. Then create an activity to show contacts in a list. Each contact has a unique jid that can be distinguished from others with it. So with click on each contact, send it's object(include jid) to chat-activity. In chat-activity you must get previous messages from database or MAM(archived messages in server) and you can send a message to current contact(set contact jid as To).
To achieving delivery of message you must use this link. you can set request of it with this code:
Message message = … //make your stanza
DeliveryReceiptRequest.addTo(message); //add delivery request to message
connection.sendStanza(message); //send message
then you can be notified of delivery with this code:
private void setDelRecListener() {
DeliveryReceiptManager d = DeliveryReceiptManager.getInstanceFor(connection);
d.addReceiptReceivedListener(new ReceiptReceivedListener() {
#Override
public void onReceiptReceived(Jid fromJid, Jid toJid, String receiptId, Stanza receipt) {
Msg msg = F.getMsgBySid(receiptId);
if (msg == null)
return;
Boolean isUpdated = F.setMsgDelivered(msg);
Log.i("m/serv/UpdateDelivery", "for: " + receiptId + (isUpdated ? " Founded&Updated" : " NotFounded"));
if (isUpdated) {
BCTool.notifyPMDelivered(msg.id, msg.conv.frnd.getBareJid());
}
}
});
}
Keep in mind that every stanza has a sid(stanza id) and you must save each corresponding sid to message model in database when send is successful. This way you can detect which message delivery you got.
- For sending chat states like composing you can use this method:
public void sendChatState(String _jid, ChatState chatState) {
try {
Message msg = new Message();
msg.addExtension(new ChatStateExtension(chatState));
msg.setTo(JidCreate.bareFrom(_jid));
msg.setType(Message.Type.chat);
connection.sendStanza(msg);
Log.e("m/service", "ChatStateSent");
} catch (SmackException.NotConnectedException | InterruptedException | XmppStringprepException e) {
Log.e("m/service", "ChatState Not Sent: " + e.getMessage());
e.printStackTrace();
}
}
You must set a timer to prevent send composing in next 5Sec and reset timer when a character typed.
Consider reading this: ChatStateNotifications

Firebase android push notification doesn't work on other device

sorry for my bad english.
I sending push notification from my codeigniter web to android app, I have 3 devices to test it.
My first device, it works well for me.
And then in my second and third device my android didn't receive any message.
I tried to send notification from my firebase console, then I choose target is user segment with my package name. All of my devices receive the message.
Then I tried to send notification using topic, which is my topic is global. Only my first device receives the message.
Here's my code :
public static final String TOPIC_GLOBAL = "global";
public static final String REGISTRATION_COMPLETE = "registrationComplete";
public static final String PUSH_NOTIFICATION = "pushNotification";
mRegistrationBroadcastReceiver = new BroadcastReceiver() {
#Override
public void onReceive(Context context, Intent intent) {
// checking for type intent filter
if (intent.getAction().equals(Config.REGISTRATION_COMPLETE)) {
// gcm successfully registered
// now subscribe to `global` topic to receive app wide notifications
FirebaseMessaging.getInstance().subscribeToTopic(Config.TOPIC_GLOBAL);
displayFirebaseRegId();
} else if (intent.getAction().equals(Config.PUSH_NOTIFICATION)) {
// new push notification is received
String message = intent.getStringExtra("message");
Toast.makeText(getApplicationContext(), "Push notification: " + message, Toast.LENGTH_LONG).show();
// txtMessage.setText(message);
}
}
};
private void displayFirebaseRegId() {
SharedPreferences pref = getApplicationContext().getSharedPreferences(Config.SHARED_PREF, 0);
String regId = pref.getString("regId", null);
Log.e(TAG, "Firebase reg id: " + regId);
if (!TextUtils.isEmpty(regId))
{
//Toast.makeText(getApplicationContext(),regId,Toast.LENGTH_LONG).show();
}
// Toast.makeText(getApplicationContext(), regId, Toast.LENGTH_LONG).show();
else
Toast.makeText(getApplicationContext(),"Firebase Reg Id is not received yet!)",Toast.LENGTH_LONG).show();
}

Quickblox - GCM, is sent to all devices?

In Quickblox GCM, when i try to send a message via push to a certain user id, i receive the notification on the sender's device too. I am not sure why, is it the norm in development mode?
QBEvent event = new QBEvent();
event.setUserId(sendToUserId);
event.setType(QBEventType.ONE_SHOT);
event.setEnvironment(QBEnvironment.DEVELOPMENT);
event.setNotificationType(QBNotificationType.PUSH);
event.setPushType(QBPushType.GCM);
HashMap<String, String> data = new HashMap<String, String>();
data.put("data.message", "Message from John");
data.put("data.type", "Notify");
data.put("ParentId",dialogId.toString());
event.setMessage(data);
QBMessages.createEvent(event, new QBEntityCallbackImpl<QBEvent>() {
#Override
public void onSuccess(QBEvent qbEvent, Bundle args) {
System.out.println("GCM Message Sent inside event " );
}
#Override
public void onError(List<String> errors) {
System.out.println("GCM Message ERROR inside event ");
}
});
The above code does send a GCM, but to both devices. The sendToUserId as well as the sender's device.
Am i doing anything wrong?

Actually you don't need to set the user_id field - it comes in a response from server and contains the ID of a sender
Look at Push code sample http://quickblox.com/developers/SimpleSample-messages_users-android#Send_Push_Notifications_from_Application
// recipients
StringifyArrayList<Integer> userIds = new StringifyArrayList<Integer>();
userIds.add(53779);
userIds.add(960);
QBEvent event = new QBEvent();
event.setUserIds(userIds);
So, it should be userIds, not userId

Upstream messaging in Android

I am doing work on GCM (Google Cloud Messaging) in Android. I am looking for the upstream message using GCM.
Code send the GCM messages to cloud here
try {
Bundle data = new Bundle();
// the account is used for keeping
// track of user notifications
data.putString("account", account);
// the action is used to distinguish
// different message types on the server
data.putString("action", Constants.ACTION_REGISTER);
String msgId = Integer.toString(getNextMsgId());
gcm.send(projectId + "#gcm.googleapis.com", msgId,
Constants.GCM_DEFAULT_TTL, data);
} catch (IOException e) {
Log.e("grokkingandroid",
"IOException while sending registration id", e);
}
Now question is that what cloud would do for that upstream message, Where it can be useful in Android and How ??

When you send an upstream message from your app, the GCM Cloud Connection Server (CCS) transfers that message to your server. In order for that to work, you must implement a server that supports XMPP protocol and establishes a TLS connection with GCM Cloud Connection Server. You also need your API project to be white-listed for using this feature. You can read more about it here.
As for usefulness, it allows you to send messages to your app via the GCM connection instead of via your own connection between your app and your server. That's more battery efficient.

#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.d(TAG, "FCM Token creation logic");
// Get variables reference
deviceText = (TextView) findViewById(R.id.deviceText);
editTextEcho = (EditText) findViewById(R.id.editTextEcho);
buttonUpstreamEcho = (Button) findViewById(R.id.buttonUpstreamEcho);
//Get token from Firebase
FirebaseMessaging.getInstance().subscribeToTopic("test");
final String token = FirebaseInstanceId.getInstance().getToken();
Log.d(TAG, "Token: " + token);
deviceText.setText(token);
//Call the token service to save the token in the database
tokenService = new TokenService(this, this);
tokenService.registerTokenInDB(token);
buttonUpstreamEcho.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Log.d(TAG, "Echo Upstream message logic");
String message = editTextEcho.getText().toString();
Log.d(TAG, "Message: " + message + ", recipient: " + token);
FirebaseMessaging.getInstance().send(new RemoteMessage.Builder(FCM_PROJECT_SENDER_ID + FCM_SERVER_CONNECTION)
.setMessageId(Integer.toString(RANDOM.nextInt()))
.addData("message", message)
.addData("action", BACKEND_ACTION_ECHO)
.build());
// To send a message to other device through the XMPP Server, you should add the
// receiverId and change the action name to BACKEND_ACTION_MESSAGE in the data
}
});
}
This is a sample Android project to showcase the Firebase Cloud Messaging (FCM) to manage upstream and downstream messages.
https://github.com/carlosCharz/FCMTest
This is the video in youtube that explains what it does.
https://www.youtube.com/watch?v=SEzOKSoAMG0
Hope you find it useful.