getBoolF static method
Returns a Future. Returns false if key is null.
Implementation
// ignore: avoid_positional_boolean_parameters
static Future<bool> getBoolF(String? key, [bool? defValue]) async {
if (key == null) {
return false;
}
bool value;
if (_prefsInstance == null) {
final prefs = await instance;
value = prefs.getBool(key) ?? defValue ?? false;
} else {
// SharedPreferences is available. Ignore init() function.
_initCalled = true;
value = getBool(key, defValue);
}
return value;
}