getItem
abstract fun getItem(key: String, callback: (DeviceStorageErrorMessage?, String?) -> Unit): DeviceStorage
Retrieves the value associated with a key.
Parameters
key
The key to retrieve the value for.
callback
A callback function that is called when the operation is complete. The first argument is an error object, if any, and the second argument is the value associated with the key, or null if the key is not found.