0. 참고
1: typedef enum {
2: DeviceItemIPhone, 3: DeviceItemIPod, 4: DeviceUnknown, 5: } DeviceItem; 6: 7: @interface Device : NSObject {
8: 9: } 10: 11: + (DeviceItem)device; 12: 13: @end 14: 15: @implementation Device 16: 17: + (DeviceItem)device{18: if ([[UIDevice currentDevice].model isEqualToString:@"iPhone"])
19: return DeviceItemIPhone;
20: if ([[UIDevice currentDevice].model isEqualToString:@"iPod"])
21: return DeviceItemIPod;
22: return DeviceUnknown;
23: } 24: @end