Work in Offline First Apps – Sync Datasources with WorkManager.pptx
Work in Offline First Apps – Sync Datasources with WorkManager.pptx
This presentation guides you through working with work manager in Android. It provides you with information on what to consider when integrating work manager in your application. Work Manager library is for handling long-running persistent operations in Android, and is considered a good option for sending data to analytics database, caching data and other functionalities which are long running. The first aspect to consider is the inputs into the system, which is what you want to do. When syncing databases, your inputs are the datasources. You also need to define any constraints which your work manager operates, and finally define the actual work such as downloading, uploading, etc. Feedback is also necessary to know and notify the user or the app the progress of the work. The code involves the implementation of the inputs, controls, process, output and feedback. It also includes necessary tests in the application. The final part involves optimization by using control system transfer function to determine the behavior of the system and thus factors to consider in optimization.
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Work in Offline First Apps – Sync Datasources with WorkManager.pptx
- 1. Work in OfflineFirst Apps – Sync Data Sources with WorkManager Musyoka Muasya @__ciox__
- 2. Work Manager • Recommended for persistent work • Persistent – Scheduled under app restarts & reboots • Simple consistent API for background processing • Send data to backend • Sync app data with backend • Built-in threading Coroutines & RxJava • Delegates process to an internally managed SQLite DB • Complete closed loop control system
- 3. Closed Loop Control System
- 9. Code
- 11. Inputs R(s) • LocalDatasource • RemoteDatasource
- 13. Controller Work Request Types • Immediate <10mins • Long Running >10 • Deferrable - Later Work Policy • Replace • Keep • Append • Append or Replace Constraints • Network • Power • Storage • Idle
- 15. Feedback • Notification • Process Result • Monitor Progress, etc
- 16. Initialization
- 17. Remove App Startup Already Built In Work Manager Ref: Customize WorkManager with AppStartup & Hilt by Divyansh Saraswat
- 18. Testing
- 21. Optimization
- 22. Transfer function 𝑇. 𝐹. = 𝑂𝑢𝑡𝑝𝑢𝑡 𝐶 𝑠 𝐼𝑛𝑝𝑢𝑡 𝑅 𝑠
- 23. Linear-time invariant for TF 𝐶(𝑠) 𝑅(𝑠) = 𝑏𝑚𝑠𝑚 + 𝑏𝑚−1𝑠𝑚−1 + ⋯ + 𝑏1𝑠 + 𝑏0 𝑎𝑛𝑠𝑛 + 𝑎𝑚−1𝑠𝑛−1 + ⋯ + 𝑎1𝑠 + 𝑎0 Break into Partial Fraction => 2nd order ODE
- 24. Solution to the D.E 𝐶(𝑠) 𝑅(𝑠) = 𝜔𝑛 2 𝑠2 + 2𝜉𝜔𝑛 + 𝜔𝑛 2 𝑠1, 𝑠2 = −𝜉𝜔𝑛 ± 𝑗𝜔𝑛 1 − 𝜉2
- 25. System damping Undamped - 𝜉 = 𝑂 Underdamped - 𝜉 < 1 Critically Damped - 𝜉 = 1 Overdamped - 𝜉 > 1
- 26. Thank You
Notas del editor
- Laplace transform