Offline-first enumeration for the Office of the Registrar General
A field data app used across every state of India
Census enumeration needed an Android app that worked on very large data with no network, imported and exported baseline data in bulk, and synchronised safely with government servers.
29states
7union territories
1,000+users
The challenge
What stood in the way
Very large data, offline
Baseline datasets worked entirely on the device.
Bulk import and export
Including over USB and local storage.
Secure access
Role-based access and distribution only through government servers.
The solution
How it is built
The offline data cycleWorkflow
- Import baselineVery large datasetsUSB or server
- Work offlineSQLite on the deviceno network needed
- Secure accessRole-based users
- Export & syncSynchronise with government servers
Technology
AndroidSQLiteOffline syncUSB data exchange
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