WebWorks Push Client

Hello

I'm sort of stuck in the logical process to receive a push message in an application webworks. The sample application works fine and I can receive messages with him. I guess I understand something wrong.

What I understand so far is:

1. create pushservice

2. create the event listener

3 activate the application to launch on push

4 create the channel

and everything should be good... or not? Lets talk about code:

config. XML (part)


    post_notification
    _sys_use_consumer_push
    read_device_identifying_information


    APPLICATION
    
        bb.action.PUSH
        application/vnd.push

JavaScript :

function createPushService() {
  try {

        ops = { invokeTargetId : 'bert.pushcapture.invoke.push',
                appId : 'XXX-XXXX...',
                ppgUrl : 'http://cpXXX.pushapi.na.blackberry.com'
        };

        blackberry.push.PushService.create(ops, successCreatePushService, failCreatePushService, onSimChange, onPushTransportReady);  

  }
  catch (err) {
    alert(err);
  }
} 

function successCreatePushService(service) {
    //alert("Created Push service");
    // check this **bleep**
    pushService = service;
    blackberry.event.addEventListener("invoked", onInvoke);
    launchApplicationOnPush(true, launchApplicationCallback);
}

function failCreatePushService(result) {
    alert("Error: Received error code (" + result + ") after " + "calling blackberry.push.PushService.create.");
}

function onPushTransportReady(result) {
    if (result == blackberry.push.PushService.SUCCESS) {
                alert("successful Configuration");
        } else {            

            if (result == blackberry.push.PushService.INTERNAL_ERROR) {
                alert("Error: An internal error occurred while calling launchApplicationOnPush. " + "Try restarting the application.");
            } else if (result == blackberry.push.PushService.CREATE_SESSION_NOT_DONE) {
                alert("Error: Called launchApplicationOnPush without an " +
                "existing session. It usually means a programming error.");
            } else {
                alert("Error: Received error code (" + result + ") after " + "calling launchApplicationOnPush.");
            }
        }
}

function launchApplicationCallback(result) {
    if (result == blackberry.push.PushService.SUCCESS) {
                alert("successful Configuration");
        } else {

            if (result == blackberry.push.PushService.INTERNAL_ERROR) {
                alert("Error: An internal error occurred while calling launchApplicationOnPush. " + "Try restarting the application.");
            } else if (result == blackberry.push.PushService.CREATE_SESSION_NOT_DONE) {
                alert("Error: Called launchApplicationOnPush without an " + "existing session. It usually means a programming error.");
            } else {
                alert("Error: Received error code (" + result + ") after " + "calling launchApplicationOnPush.");
            }
        }
}

function onSimChange() {
    alert("SIM card is changed!");
}

function createChannelCallback(result, token) {
    if (result === blackberry.push.PushService.SUCCESS) {
        alert("channel created");
    } else if (result === blackberry.push.PushService.INTERNAL_ERROR) {
        alert("channel failed");

    }
}

function onInvoke (invokeRequest) {
        if (invokeRequest.action != null && invokeRequest.action == "bb.action.PUSH") {
            if (pushService == null) {
                setTimeout(function() { onInvoke(invokeRequest); }, 750);
            } else {
                var pushPayload = extractPushPayload(invokeRequest);
                pushNotificationHandler(pushPayload);
            }
        }
}

function pushNotificationHandler (pushpayload) {
    var contentType = pushpayload.headers["Content-Type"];
    if(!contentType) {
        contentType = pushpayload.headers["content-type"];
        if(!contentType) {
            contentType = "text/plain";
        }
    }

    db.transaction(
        function(tx) {
            tx.executeSql("INSERT INTO Data (title) values(?)", [ "PUSH"], null);
        });

    //alert("PUSH RECEIVED");
    pushpayload.acknowledge(true);

};

I call following functions thanks to a button:

1 createPushService();

2 pushService.createChannel (createChannelCallback);

and I get a 'alert ("channel created");"and it means to me that the PushService and the channel was created successfully.

Given that I have create an event for a 'called' via 'blackberry.event.addEventListener ("called" onInvoke),"the"onInvoke"function should be called when receives a new thumb. Fix?

Unfortunately it does not work and I get no response or error.

Any help or advice is appreciated. I'm really stuck here...

The best

bert2002

Hello

A couple of things to ask you. Not sure if they are related to your problem, but it's worth a shot.

1. you call extractPushPayload below when dealing with a thrust to invoke. But, when this function is defined? You must call pushSevice.extractPushPayload somewhere.

2. you should not the setTimeout function need more if you add the event listener for the "called" event in your call to success blackberry.push.PushService.create. Our sample no longer use setTimeout.

3. in your code, you call launchApplicationOnPush and createChannel every time. You only really need to call them once. After graduating launchApplicationonPush and reminders of createChannel successfully the first time, then you are ready to receive the impulses. You just do it again if you make a destroyChannel somewhere. Do you need to call blackberry.push.PushService.create each time however.

4. are you setting the tag in your config.xml file?

Hope that helps,

Matt

Tags: BlackBerry Developers

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