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Questions tagged [channel-api]

The Channel API creates a persistent connection between your application and Google servers, allowing your application to send messages to JavaScript clients in real time without the use of polling.

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GAE two way communication with client (Channel API alternative for Java / iOS clients, or perhaps XMPP)?

I'd like to implement two way communication between a cross platform mobile client (Android, PC - written in Java and iOS written in Objective-C) and my Google AppEngine (Java) server. It should: Allow each side to initiate the communication (after…
DannyA
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SocketTimeoutException using URLFetch to a service that sends channel messages

We have two AppEngine (Java) apps. One of them uses URLFetch to the other to create an appointment. In the receiver, we've added a feature where we use the Channel API to see if there are any open channels and let them know about the new data. The…
Kyle Baley
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Twilio Android: Issue in joining a channel : "Member already exists"

I am using Twilio Programmable chat APIs in android for 1 to 1 chat. Following is my usecase: 1) I create a unique channel name 2) Check if the channel already exists or not if channel exists: user joins channel else create a channel…
Yesha
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GWT Serialisation and Appengine Channel Api

I am using Google Appengine's Channel API to send events from server to the client. The problem is Channel API only sends messages of type java.lang.String So my classes in the ~.shared package needs to be converted to string before I could pass…
langerra.com
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Google App Engine: Browser to Server persistent connection

I've been playing around with the Google App Engine channel API to create a real-time multiplayer game similar to http://rawkets.com/. Since this API is basically "one way" (doesn't enable a persistent browser-to-server connection), I am just…
gibbutz
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is it possible to use google channel api without using rest of app engine

for example if i have a remotely hosted site, can I use google's new channel api? http://code.google.com/appengine/docs/python/channel/ If I have a site elsewhere, and I want to get google to create new channels, send data, etc, without being hosted…
Mark
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Appengine Channel API devserver vs production

I'm using Channel API on Google Appengine to send updates from my server application to the frontend. Frontend is built with AngularJS. This works fine in GAE devserver, but when I deploy to production no messages are received in frontend. There are…
Ruben
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Android Wear MessageApi vs ChannelApi

Android Wear offers multiple ways to synchronize data between the handheld device and the smartwatch. I would like to know when you are supposed to use the MessageApi and when to use the ChannelApi? When I was first encountered the problem I wanted…
jfmg
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Android Wear Audio Recorder using the ChannelAPI

I'm trying to build an audio recorder app for Android Wear. Right now, I'm able to capture the audio on the watch, stream it to phone and save it on a file. However, the audio file is presenting gaps or cropped parts. I found this aswered questions…
Reslley Gabriel
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Google App Engine Channels API / Loading external JS with React Native

I'm in the process of porting a project to React Native, previously i referenced an the google channels api from an external server for web sockets e.g. https://example.com/_ah/channel/jsapi. Is there an elegant way I can reference this using…
Kyle Johnson
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GAE Channel API - Channels Created Cost

I have a paid app and can see the quota is 90,040 per day for channels created. I have looked at all the pricing pages from cloud services and developer pricing pages and can not see any prices regarding the cost per channel created after the 100…
Craig
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Using Google Channel API with PHP

First post here, my question is simple ! Is there a way to use the Channel API in PHP on Google AppEngine ? I cannot find the equivalent of this library for PHP. If not, what would be the best alternative ? Learn Java EE ? I'd like something simple…
Felix M
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GAE/Java LocalChannelFailureException at development server

I'm using Channel API (Java) with Google App Engine for my web application. I have implemented a Token-reusing-mechanism for not exceeding the Channel API Quotas that fast. This means, that my implementation reuses an existing channel for a user…
Jonas
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Simple Channel API Related Test Failing with 1.8.2 Upgrade

Ever since upgrading to Google App Engine SDK version 1.8.2 we've been having an issue with one of our Channel API related unit tests. Here's the skinny. We have a handler that creates a channel and returns the channel ID as well as the channel…
Tombatron
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Message format in Channel API (GAE)?

I'm working on a HTML5 collaborative canvas drawing tool on GAE. Essentially people draw, send their coordinates and their motion to GAE through channel API and then other people receive the updates. As required by the GAE documentation, I have a…
Euky Chan
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