Database access from Rust #5

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Lonami · 2022-10-14T17:55:31Z

Lonami commented

2022-10-14 17:55:31 +00:00

It is possible to obtain a path which Rust can directly use to create and manage files, such as SQLite database files, with Context.getDatabasePath(file name).

A MainActivity has a context, so it's possible to call getDatabasePath directly. From within a Composable, it is possible to access the context via LocalContext.current, although this shouldn't be necessary.

The sqlite Rust crate seems run fine on Android.

It is probably not worth to worry about the fact access to the database would be blocking at first. If it becomes a concern, tokio::task::spawn_blocking can probably be used to help alleviate the problem.

It is possible to obtain a path which Rust can directly use to create and manage files, such as SQLite database files, with `Context.getDatabasePath(file name)`. A `MainActivity` has a context, so it's possible to call `getDatabasePath` directly. From within a `Composable`, it is possible to access the context via `LocalContext.current`, although this shouldn't be necessary. The `sqlite` Rust crate seems run fine on Android. It is probably not worth to worry about the fact access to the database would be blocking at first. If it becomes a concern, `tokio::task::spawn_blocking` can probably be used to help alleviate the problem.

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Reference: Lonami/Talaria#5