获取iphone的系统信息使用[UIDevice currentDevice],信息如下:
[[UIDevice currentDevice] systemName]:系统名称,如iPhone OS
[[UIDevice currentDevice] systemVersion]:系统版本,如iOS 8.0
[[UIDevice currentDevice] model]:The model of the device,如iPhone或者iPod touch
[[UIDevice currentDevice] uniqueIdentifier]:设备的惟一标识号,deviceID
[[UIDevice currentDevice] name]:设备的名称,如 张三的iPhone
[[UIDevice currentDevice] localizedModel]:The model of the device as a localized string,类似model
[UIDevice currentDevice].batteryState 设备的电池状态
[UIDevice currentDevice].batteryLevel 设备的电池充电状况
[UIDevice currentDevice].userInterfaceIdiom 用户当前使用的设备,与model类似