Different Shared Prefs

CredentialsPreferences.kt

import android.content.SharedPreferences
import android.net.Credentials

class CredentialsPreferences @Inject constructor(
    @SharedPref(SharedPrefsType.Credentials)
    private val sharedPreferences: SharedPreferences,
) {

    fun getCredentials(): Credentials {
        return sharedPreferences.getString(CRED_KEY, "").toCredentials()
    }

    fun setCredentials(credentials: Credentials) {
        sharedPreferences.edit().putString(CRED_KEY, credentials.toString()).apply()
    }

    companion object {
        private const val CRED_KEY = "cred_key"
    }
}

LoginPreferences.kt

import android.content.SharedPreferences

class LoginPreferences @Inject constructor(
    @SharedPref(SharedPrefsType.Login)
    private val sharedPreferences: SharedPreferences,
) {

    fun isLoggedIn(): Boolean {
        return sharedPreferences.getBoolean(LOGGED_IN_KEY, false)
    }

    fun setLoggedIn(): Boolean {
        sharedPreferences.edit().putBoolean(LOGGED_IN_KEY, true).apply()
    }

    private companion object {
        const val LOGGED_IN_KEY = "log_in"
    }
}

PrefsModule.kt

import android.content.Context
import android.content.SharedPreferences

@Module
class PrefsModule {

    @Provides
    @SharedPref(SharedPrefsType.Credentials)
    fun provideCredentialsPreferences(context: Context): SharedPreferences{
        return EncryptedSharedPreferences.create(
            "credentails_prefs",
            context,
        )
    }

    @Provides
    @SharedPref(SharedPrefsType.Login)
    fun provideLoginPreferences(context: Context): SharedPreferences{
        return EncryptedSharedPreferences.create(
            "login_prefs",
            context,
        )
    }
}

SharedPref.kt

// prefer using custom qualifier annotation with enum over @Named because it's easier to maintain
// https://bloggie.io/@_junrong/dagger-2-for-android-part-iii-the-qualifier-and-named-annotation#tweaking-%40namedclone-to-use-enum

@Qualifier
@MustBeDocumented
@Retention(AnnotationRetention.RUNTIME)
annotation class SharedPref(val color: SharedPrefsType) {
}

enum class SharedPrefsType {
    Credentials, Login
}