Check if multitasking is available iOS device?

#pragma mark- Multitasking -

+(BOOL)multitaskingAvailable

{

  UIDevice* device = [UIDevice currentDevice];

   BOOL backgroundIsSupported = NO;

  if ([device respondsToSelector:@selector(isMultitaskingSupported)])

       backgroundIsSupported = device.multitaskingSupported;

  return backgroundIsSupported;

}