- (instancetype)sharedManager
{
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
_sharedManger = [[super allocWithZone:NULL] init];
});
return _sharedManger;
}
- (id)copyWithZone:(NSZone *)zone
{
return [xxxx sharedManager];
}
- (id)allocWithZone:(struct _NSZone *)zone
{
return [xxxx sharedManager];
}
