init static method
Implementation
static Future<void> init() async {
if (_db != null) {
return;
}
try {
var databasesPath = await getDatabasesPath();
String _path = p.join(databasesPath, 'api_cache_db.db');
_db = await openDatabase(
_path,
version: _version,
onCreate: onCreate,
onUpgrade: onUpgrade,
);
} catch (ex) {
print(ex);
}
}