Android Pubnub One to One chat - android

I want to implement the Online/Offline/IsTying functionality using the pubnub library in android. For this i created the Pubnub connection.
//create the pubnub connection
PNConfiguration configuration = new PNConfiguration();
configuration.setPublishKey(PUBNUB_PUBLISH_KEY);
configuration.setSubscribeKey(PUBNUB_SUBSCRIBE_KEY);
configuration.setLogVerbosity(PNLogVerbosity.BODY);
configuration.setConnectTimeout(100000);
configuration.setSubscribeTimeout(31000);
configuration.setHeartbeatNotificationOptions(PNHeartbeatNotificationOptions.ALL);
configuration.setPresenceTimeoutWithCustomInterval(120,59);
configuration.setPresenceTimeout(120);
mPubNub = new PubNub(configuration);
And after that i set the subscriber callback to the listener
**strong text**
private SubscribeCallback subscribeCallback = new SubscribeCallback() {
#Override
public void status(PubNub pubnub, PNStatus status) {
Log.d("Chat", "status() called with: pubnub = [" + pubnub + "], status = [" + status + "]");
if (status.getOperation() != null) {
switch (status.getOperation()) {
// let's combine unsubscribe and subscribe handling for ease of use
case PNSubscribeOperation:
case PNUnsubscribeOperation:
Toast.makeText(ChatAppService.this, "Status : " + status.getOperation().name(), Toast.LENGTH_SHORT).show();
// note: subscribe statuses never have traditional
// errors, they just have categories to represent the
// different issues or successes that occur as part of subscribe
switch (status.getCategory()) {
case PNConnectedCategory:
// this is expected for a subscribe, this means there is no error or issue whatsoever
Toast.makeText(ChatAppService.this, "Status : " + status.getCategory(), Toast.LENGTH_SHORT).show();
break;
case PNReconnectedCategory:
// this usually occurs if subscribe temporarily fails but reconnects. This means
// there was an error but there is no longer any issue
Toast.makeText(ChatAppService.this, "Status : " + status.getCategory(), Toast.LENGTH_SHORT).show();
HashMap<String,String> map = new HashMap();
map.put("State","Online");
pubnub.setPresenceState().channels(Arrays.asList(Constants.GLOBAL_CHANNEL)).state(map).uuid(pubnub.getConfiguration().getUuid());
break;
case PNDisconnectedCategory:
// this is the expected category for an unsubscribe. This means there
// was no error in unsubscribing from everything
Toast.makeText(ChatAppService.this, "Status : " + status.getCategory(), Toast.LENGTH_SHORT).show();
HashMap<String,String> mapOffline = new HashMap();
mapOffline.put("State","Offline");
pubnub.setPresenceState().channels(Arrays.asList(Constants.GLOBAL_CHANNEL)).state(mapOffline).uuid(pubnub.getConfiguration().getUuid());
break;
case PNTimeoutCategory:
HashMap<String,String> mapTimeout = new HashMap();
mapTimeout.put("State","Offline");
pubnub.setPresenceState().channels(Arrays.asList(Constants.GLOBAL_CHANNEL)).state(mapTimeout).uuid(pubnub.getConfiguration().getUuid());
pubnub.reconnect();
break;
case PNUnexpectedDisconnectCategory:
// this is usually an issue with the internet connection, this is an error, handle appropriately
Toast.makeText(ChatAppService.this, "Status : " + status.getCategory(), Toast.LENGTH_SHORT).show();
pubnub.reconnect();
break;
case PNAccessDeniedCategory:
// this means that PAM does allow this client to subscribe to this
// channel and channel group configuration. This is another explicit error
Toast.makeText(ChatAppService.this, "Status : " + status.getCategory(), Toast.LENGTH_SHORT).show();
break;
default:
// More errors can be directly specified by creating explicit cases for other
// error categories of `PNStatusCategory` such as `PNTimeoutCategory` or `PNMalformedFilterExpressionCategory` or `PNDecryptionErrorCategory`
}
break;
case PNHeartbeatOperation:
// heartbeat operations can in fact have errors, so it is important to check first for an error.
// For more information on how to configure heartbeat notifications through the status
// PNObjectEventListener callback, consult <link to the PNCONFIGURATION heartbeart config>
if (status.isError()) {
// There was an error with the heartbeat operation, handle here
} else {
// heartbeat operation was successful
}
break;
default: {
// Encountered unknown status type
}
}
} else {
// After a reconnection see status.getCategory()
}
}
#Override
public void message(PubNub pubnub, PNMessageResult message) {
//TODO: If App open: Save to database and broadcast for database change else show Notification
}
#Override
public void presence(PubNub pubnub, PNPresenceEventResult presence) {
Log.d("chat", "presence() called with: pubnub = [" + pubnub + "], presence = [" + presence + "]");
}
};`
Finally the issue is that when i leave the group then no presence callback is coming.I should get the event of leave the channel with user state so that i can remove the user from the online user's list.
for unsubscribing the group
pubnub.unsubscribe().channels(Arrays.asList(channel)).execute()
when i subscribe the channel then presence callback calls three time
1. event : join
2. event : state-changes
3. event : leave
I am not getting how to handle this scenario in Android. Please help me i am stucking in this problem from last three days.

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RxAndroidBle 2 : multiple Read then notify on another characteristic

I'm using RxAndroidBle 2 to watch a characteristic for CSC but I cannot read some characteristics before. It's also the first time I'm using ReactiveX so I have to deal with flatMap, flatMapSingle, etc.
Here's my code to register a handler for watching CSC Measure:
connectionSubscription = device.establishConnection(false)
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And then the code for extracting the value:
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break;
case 2:
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// Cumulative Crank Revolutions
break;
}
}
I have another piece of working code to read ONE characteristic, but how can I process a list of characteristics?
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.subscribe(
characteristicValue -> {
String deviceHardware = ValueInterpreter.getStringValue(characteristicValue, 0);
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},
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}
)
Constants are defined like this:
public static final UUID CSC_MEASURE = UUID.fromString("00002a5b-0000-1000-8000-00805f9b34fb");
I tried to integrate the answer provided in here but the code doesn't compile anymore. Moreover, the code should combine up to 12 characteristics (simple map of UUID to Int/String/Boolean). I used to have a working code by creating a subclass of BluetoothGattCallback but my code was getting more and more difficult to maintain with standard Android Bluetooth classes.
I tried to integrate the answer provided in here but the code doesn't compile anymore.
I have updated the post you mentioned to match RxAndroidBle based on RxJava2. It should compile now.
I have another piece of working code to read ONE characteristic, but how can I process a list of characteristics?
...
Moreover, the code should combine up to 12 characteristics (simple map of UUID to Int/String/Boolean).
The mentioned post does solve a case where there are 4 characteristics. In case of 12 (or a variable number) there is a Single#zipArray function.
Single.zipArray(
/* Object[] */ results -> YourWrapperObject(results),
rxBleConnection.readCharacteristic(Constants.DEVICE_HARDWARE),
rxBleConnection.readCharacteristic(Constants.DEVICE_HARDWARE1),
rxBleConnection.readCharacteristic(Constants.DEVICE_HARDWARE2),
// ...
rxBleConnection.readCharacteristic(Constants.DEVICE_HARDWARE11)
)

pubnub setup not working on android OS9 android java

I have setup pubnub on android using java
And on all other Operating Systems the setup works fine. On Android P however the attach listener always gives this error -
PNStatus(category=PNBadRequestCategory, errorData=PNErrorData(information=null, throwable=PubNubException(errormsg=CLEARTEXT communication to ps.pndsn.com not permitted by network security policy, pubnubError=PubNubError(errorCode=103, errorCodeExtended=0, errorObject=null, message=HTTP Error. Please check network connectivity. Please contact support with error details if issue persists., errorString=null), jso=null, response=null, statusCode=0)), error=true, statusCode=0, operation=PNSubscribeOperation, tlsEnabled=false, uuid=null, authKey=null, origin=null, clientRequest=null, affectedChannels=[5d67fb36f4f95718bf8ec310], affectedChannelGroups=[])
The setup is as follows -
PNConfiguration pnConfiguration = new PNConfiguration();
pnConfiguration.setLogVerbosity(PNLogVerbosity.BODY);
pnConfiguration.setPublishKey(getString(R.string.pubnub_publish_key));
pnConfiguration.setSubscribeKey(getString(R.string.pubnub_subscribe_key));
pnConfiguration.setSecure(false);
pubnub = new PubNub(pnConfiguration);
Then i attach listener like this
pubnub.addListener(new SubscribeCallback() {
#Override
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Log.e("Pubnub:- ", status.toString());
switch (status.getOperation()) {
// let's combine unsubscribe and subscribe handling for ease of use
case PNSubscribeOperation:
case PNUnsubscribeOperation:
// note: subscribe statuses never have traditional
// errors, they just have categories to represent the
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// this is expected for a subscribe, this means there is no error or issue whatsoever
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// this is the expected category for an unsubscribe. This means there
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// this is usually an issue with the internet connection, this is an error, handle appropriately
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// this means that PAM does allow this client to subscribe to this
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// PNObjectEventListener callback, consult <link to the PNCONFIGURATION heartbeart config>
if (status.isError()) {
// There was an error with the heartbeat operation, handle here
} else {
// heartbeat operation was successful
}
default: {
// Encountered unknown status type
}
}
}
#Override
public void message(PubNub pubnub, PNMessageResult message) {
String messagePublisher = message.getPublisher();
System.out.println("Message publisher: " + messagePublisher);
System.out.println("Message Payload: " + message.getMessage());
System.out.println("Message Subscription: " + message.getSubscription());
System.out.println("Message Channel: " + message.getChannel());
System.out.println("Message timetoken: " + message.getTimetoken());
}
#Override
public void presence(PubNub pubnub, PNPresenceEventResult presence) {
}
#Override
public void signal(PubNub pubnub, PNSignalResult pnSignalResult) {
System.out.println("Signal publisher: " + signal.getPublisher());
System.out.println("Signal payload: " + signal.getMessage());
System.out.println("Signal subscription: " + signal.getSubscription());
System.out.println("Signal channel: " + signal.getChannel());
System.out.println("Signal timetoken: " + signal.getTimetoken());
}
#Override
public void user(PubNub pubnub, PNUserResult pnUserResult) {
// for Objects, this will trigger when:
// . user updated
// . user deleted
PNUser pnUser = pnUserResult.getUser(); // the user for which the event applies to
pnUserResult.getEvent(); // the event name
}
#Override
public void space(PubNub pubnub, PNSpaceResult pnSpaceResult) {
// for Objects, this will trigger when:
// . space updated
// . space deleted
PNSpace pnSpace = pnSpaceResult.getSpace(); // the space for which the event applies to
pnSpaceResult.getEvent(); // the event name
}
#Override
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// for Objects, this will trigger when:
// . user added to a space
// . user removed from a space
// . membership updated on a space
JsonElement data = pnMembershipResult.getData(); // membership data for which the event applies to
pnMembershipResult.getEvent(); // the event name
}
#Override
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PNMessageAction pnMessageAction = pnActionResult.getAction();
System.out.println("Message action type: " + pnMessageAction.getType());
System.out.println("Message action value: " + pnMessageAction.getValue());
System.out.println("Message action uuid: " + pnMessageAction.getUuid());
System.out.println("Message action actionTimetoken: " + pnMessageAction.getActionTimetoken());
System.out.println("Message action messageTimetoken: " + pnMessageAction.getMessageTimetoken());]
System.out.println("Message action subscription: " + pnActionResult.getSubscription());
System.out.println("Message action channel: " + pnActionResult.getChannel());
System.out.println("Message action timetoken: " + pnActionResult.getTimetoken());
}
});
Like i said it works fine in other OS's except 9 and i am using the latest version of pubnub, infact i upgraded to the latest version and the above error was identical.
And i noticed something else, a message which i see in the debugger that only shows up when running in android version 9.
isWhitelistProcess - Process is Whitelisted
I searched for the message and found that its a harmless warning message.
Enabling TLS (SSL) resolves this error:
pnConfiguration.setSecure(true);
The reason is answered in another Stack Overflow thread already. It is not specific to PubNub but because you disabled TLS (SSL) in PubNub, it explicitly called out the PubNub domain in the error.

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