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PSIsCrappyDevice
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| BOOL PSIsCrappyDevice() { | |
| static BOOL isCrappyDevice = YES; | |
| static dispatch_once_t onceToken; | |
| dispatch_once(&onceToken, ^{ | |
| size_t size; | |
| sysctlbyname("hw.machine", NULL, &size, NULL, 0); | |
| char *machine = malloc(size); | |
| sysctlbyname("hw.machine", machine, &size, NULL, 0); | |
| NSString *platform = [[NSString alloc] initWithCString:machine]; | |
| free(machine); | |
| isCrappyDevice = !(![platform hasPrefix:@"iP"] || [platform hasPrefix:@"iPhone3"] || [platform isEqualToString:@"iPod4,1"] || [platform hasPrefix:@"iPad2"]); | |
| [platform release]; | |
| }); | |
| return isCrappyDevice; | |
| } |
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Not all current devices have retina, so I wouldn't consider it a downgrade. There might be room for a cheaper model of the next iPhone/iPad, and we never know the specs. There's definitely neither of the methods perfect, I'm just not sure what's easier to break (so which method I should add to iOSKit :) ).