getDouble static method

double getDouble(
  1. String? key, {
  2. double defValue = 0.0,
})

获取sp中key的double值

Implementation

static double getDouble(String? key, {double defValue = 0.0}) {
  if (key == null || key.isEmpty) {
    return defValue;
  }
  return _preferences.getDouble(key) ?? defValue;
}