Use EncryptedSharedPreferences instead of hashing string

[sondosaabed]

https://stackoverflow.com/questions/30148729/how-to-secure-android-shared-preferences

String masterKeyAlias = MasterKeys.getOrCreate(MasterKeys.AES256_GCM_SPEC);

SharedPreferences sharedPreferences = EncryptedSharedPreferences.create(
    "secret_shared_prefs",
    masterKeyAlias,
    context,
    EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
    EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
);

// use the shared preferences and editor as you normally would
SharedPreferences.Editor editor = sharedPreferences.edit();

[sondosaabed]

implementation("androidx.security:security-app-authenticator:1.0.0-beta01")

[sondosaabed]

https://mvnrepository.com/artifact/androidx.security/security-app-authenticator/1.0.0-beta01