Android push notifications
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This document summarizes a presentation about Android push notifications. It discusses using push notifications and remote content management to update 280 devices with intermittent connectivity. It evaluates solutions like ZeroMQ, Redis, a custom queue management system, and Google Cloud Messaging (GCM) push notifications. GCM is chosen as the easiest option. The services architecture is described using components like Apache Cordova, BusyBox, SuperSU, and a JavaScript media player that can be updated through push notifications and intents.
Android push notifications
- 1. Android Push Notifications Barcelona Android User Group May 2014
- 2. Hello world Clients Orange El Corte Inglés Endesa Sodexo Ikea Nespresso Fira Barcelona Ajuntament de Barcelona ESADE The Phone House The company 20 people Digital Signage User Interactivity Projects Spain United Kingdom Germany Netherlands Finland www.focusonemotions.com @focusonemotions
- 3. Hello world Orestes Carracedo 8 years as a developer 4 years as an Android user 3,5 years at Focus On Emotions Certified SCRUM Master PHP 5.3 Zend Certified Engineer Read about me http://blog.orestes.io Follow me @orestesCA
- 5. Briefing Make it on time Code as less as possible Be robust Make use of existing OS tools Make use of existing apps Be flexible Create multiple decoupled tools that work together
- 6. Content management $ adb push /local/folder /remote/folder PHP SFTP Wrapper $ php load-device-content.php 300 7 Loading content … 50 % 20/40 KB 100 % 40/40 KB Done. /mnt/sdcard/focus + openvpn + player + scheduler + upload - content - october_2013 + media
- 7. Remote access $ adb connect 192.168.1.42:5555 $ time adb connect 192.168.1.42:5555 unable to connect to 192.168.1.42:5555 real 1m3.163s user 0m0.000s sys 0m0.020s . . $ time timeout 9s adb connect 192.168.1.42 real 0m9.003s user 0m0.000s sys 0m0.020s
- 8. Pushing content updates Problem ● 280 devices ● Intermittent connectivity Solution ● Parallelisation ● Retries, reporting Queue System Thread #1 ./update-content --device 10 --content 15 Thread #2 ./update-content --device 11 --content 15 Waiting … ./update-content --device 12 --content 16 ADB cap
- 9. Choosing a solution Message Broker Maintenance Difficulty ZeroMQ Yes Hard Redis Yes Easy Custom QMS Yes Easier GCM Push Notifications No Easiest
- 10. Services architecture Apache Cordova V P N BusyBox A D B S S H JavaScript player SuperSU scheduler Downloader Uploader
- 11. Services architecture BusyBoxSuperSU DownloaderUploader scheduler Apache Cordova JavaScript player Push Notifications IntentIntent Runtime.getRuntime().exec()