setDouble method
Stores a double value in SharedPreferences.
key: The key for the double value to be stored.value: The double value to store.
Implementation
Future<void> setDouble(String key, double value) async {
await ensureSharedPrefIsInitialized();
if (doubleKeys.containsKey(key)) {
await prefs.setDouble(key, value);
} else {
throw Exception("Key '$key' is not implemented as double.");
}
}