getInt static method
Returns 0 if key is null.
Implementation
static int getInt(String? key, [int? defValue]) {
if (key == null) {
return 0;
}
assert(_initCalled, 'Prefs.init() must be called first!');
assert(_prefsInstance != null,
'Maybe call Prefs.getIntF(key) instead. SharedPreferences not ready yet!');
return _prefsInstance?.getInt(key) ?? defValue ?? 0;
}