containsKey method
Checks if a value exists in the shared preferences based on the provided key
.
Returns true if the value exists, otherwise returns false.
The key
parameter represents the key associated with the value to check in shared preferences.
Example:
bool exists = SimpleSharedPref().containsKey('username');
Implementation
bool containsKey(dynamic key) {
try {
return _preferences!.containsKey(key.toString());
} catch (e) {
_logException('Error while checking existence in shared preferences',
error: e);
}
return false;
}