Struct AndroidStorageBackend 

pub struct AndroidStorageBackend { /* private fields */ }

Android storage backend stub. Production: SharedPreferences (KV) + Android Keystore (secure) + app files dir (files).

Implementations

impl AndroidStorageBackend

pub fn new() -> Self

Trait Implementations

impl StorageBackend for AndroidStorageBackend

fn platform_id(&self) -> &str

Platform identifier for this backend.

fn get( &self, ns: &StorageNamespace, key: &str, ) -> StorageResult<Option<StorageValue>>

Get a value by key within a namespace.

fn set( &self, ns: &StorageNamespace, key: &str, value: StorageValue, ) -> StorageResult<()>

Set a value by key within a namespace.

fn delete(&self, ns: &StorageNamespace, key: &str) -> StorageResult<()>

Delete a key within a namespace.

fn keys(&self, ns: &StorageNamespace) -> StorageResult<Vec<String>>

List all keys in a namespace.

fn clear(&self, ns: &StorageNamespace) -> StorageResult<()>

Clear all keys in a namespace.

fn supports_secure(&self) -> bool

Whether this platform supports secure storage (Keychain, Keystore, etc.).

fn secure_set(&self, key: &str, value: &[u8]) -> StorageResult<()>

Store a value securely (e.g., iOS Keychain, Android Keystore).

fn secure_get(&self, key: &str) -> StorageResult<Option<Vec<u8>>>

Retrieve a securely stored value.

fn secure_delete(&self, key: &str) -> StorageResult<()>

Delete a securely stored value.

fn write_file(&self, path: &str, data: &[u8]) -> StorageResult<()>

Write bytes to a file path (relative to app sandbox).

fn read_file(&self, path: &str) -> StorageResult<Vec<u8>>

Read bytes from a file path (relative to app sandbox).

fn delete_file(&self, path: &str) -> StorageResult<()>

Delete a file.

fn file_exists(&self, path: &str) -> StorageResult<bool>

Check if a file exists.

fn list_files(&self, dir: &str) -> StorageResult<Vec<String>>

List files in a directory (relative to app sandbox).

fn contains( &self, namespace: &StorageNamespace, key: &str, ) -> StorageResult<bool>

Check if a key exists within a namespace.