DataStoreExample5.kt

class ExampleDataStore(context: Context) {
    private val dataStore: DataStore<Preferences> = context.dataStore

    suspend fun setExampleData(exampleData: String?) {
        dataStore.storeValue(EXAMPLE_DATA, exampleData)
    }

    suspend fun getExampleData(): String? {
        return dataStore.readValue(EXAMPLE_DATA)
    }

    companion object {
        private const val PREF_NAME = "example_pref"

        private val EXAMPLE_DATA = stringPreferencesKey("exampleData")

        private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(
            name = PREF_NAME,
            produceMigrations = { context -> listOf(SharedPreferencesMigration(context, PREF_NAME)) }
        )
    }
}