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Explain the underscore being added automatically to the prefix #979

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Explain the underscore being added automatically to the prefix #979

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6 changes: 4 additions & 2 deletions flutter_secure_storage/lib/options/android_options.dart
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Expand Up @@ -64,8 +64,10 @@ class AndroidOptions extends Options {
final String? sharedPreferencesName;

/// The prefix for a shared preference key. The prefix is used to make sure
/// the key is unique to your application. If not provided, a default prefix
/// will be used.
/// the key is unique to your application. An underscore (_) is added to the end of the prefix automatically.
/// If not provided, a default prefix will be used.
///
/// Example: preferencesKeyPrefix: "my_app" will result in a key like "my_app_key1".
///
/// WARNING: If you change this you can't retrieve already saved preferences.
final String? preferencesKeyPrefix;
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