啓用多任務iPhone SDK

Question

請您告訴我如何查明iPhone上是否啓用了多任務處理。我正在使用Xcode。

Answer 1

這是非常直出蘋果的文檔：

UIDevice* device = [UIDevice currentDevice]; 
BOOL backgroundSupported = NO; 
if ([device respondsToSelector:@selector(isMultitaskingSupported)]) 
    backgroundSupported = device.multitaskingSupported; 
return backgroundSupported;