Retrieve the hardware model of the device. #xamarin #ios Last updated : 11/05/13

gistfile1.cs

  public enum HardwareVersion
	{
		iPhone2G,
		iPhone3G,
		iPhone3Gs,
		iPhone4, // retina
		iPhone4s,
		iPhone5,
		iPhone5c,
		iPhone5s,
		iPod1G,
		iPod2G,
		iPod3G,
		iPod4G, // retina
		iPod5G,
		Simulator,
		iPad1G,
		iPad2G,
		iPad3G, // retina
		iPad4G,
		iPad5G, // ipad Air
		iPadMini,
		iPadMini2G, // ipad mini retina
		Unknown
	}
    
    [DllImport(MonoTouch.Constants.SystemLibrary)]
		static internal extern int sysctlbyname ([MarshalAs(UnmanagedType.LPStr)] string property, IntPtr output, IntPtr oldLen, IntPtr newp, uint newlen);
    public static HardwareVersion GetHardwareModel()
		{
			string HardwareProperty = "hw.machine";

			var pLen = Marshal.AllocHGlobal (sizeof(int));
			sysctlbyname (HardwareProperty, IntPtr.Zero, pLen, IntPtr.Zero, 0);

			var length = Marshal.ReadInt32 (pLen);
			if (length == 0) {
				Marshal.FreeHGlobal (pLen);
				return HardwareVersion.Unknown;
			}

			var pStr = Marshal.AllocHGlobal (length);
			sysctlbyname (HardwareProperty, pStr, pLen, IntPtr.Zero, 0);

			var hardwareStr = Marshal.PtrToStringAnsi (pStr);
			var ret = HardwareVersion.Unknown;

			// determine which hardware we are running
			if (hardwareStr == "iPhone1,1")
				ret = HardwareVersion.iPhone2G;
			else if (hardwareStr == "iPhone1,2")
				ret = HardwareVersion.iPhone3G;
			else if (hardwareStr == "iPhone2,1")
				ret = HardwareVersion.iPhone3Gs;
			else if (hardwareStr == "iPhone3,1")
				ret = HardwareVersion.iPhone4;
			else if (hardwareStr == "iPhone4,1")
				ret = HardwareVersion.iPhone4s;
			else if (hardwareStr == "iPhone5,1" || hardwareStr == "iPhone5,2")
				ret = HardwareVersion.iPhone5;
			else if (hardwareStr == "iPhone5,3" || hardwareStr == "iPhone5,4")
				ret = HardwareVersion.iPhone5c;
			else if (hardwareStr == "iPhone6,1" || hardwareStr == "iPhone6,2")
				ret = HardwareVersion.iPhone5s;
			else if (hardwareStr == "iPod1,1")
				ret = HardwareVersion.iPod1G;
			else if (hardwareStr == "iPod2,1")
				ret = HardwareVersion.iPod2G;
			else if (hardwareStr == "iPod3,1")
				ret = HardwareVersion.iPod3G;
			else if (hardwareStr == "iPod4,1")
				ret = HardwareVersion.iPod4G;
			else if (hardwareStr == "iPod5,1")
				ret = HardwareVersion.iPod5G;
			else if (hardwareStr == "iPad1,1")
				ret = HardwareVersion.iPad1G;
			else if (hardwareStr == "iPad2,1")
				ret = HardwareVersion.iPad2G;
			else if (hardwareStr == "iPad3,1")
				ret = HardwareVersion.iPad3G;
			else if (hardwareStr == "iPad3,4" || hardwareStr == "iPad3,5" || hardwareStr == "iPad3,6")
				ret = HardwareVersion.iPad4G;
			else if (hardwareStr == "iPad2,5" || hardwareStr == "iPad2,6" || hardwareStr == "iPad2,7")
				ret = HardwareVersion.iPadMini;
			else if (hardwareStr == "i386" || hardwareStr == "x86_64" || hardwareStr == "x86_32")
				ret = HardwareVersion.Simulator;
			else {
				Console.WriteLine ("HardwareVersion.Unknown {0}",ret);
			}

			// cleanup
			Marshal.FreeHGlobal (pLen);
			Marshal.FreeHGlobal (pStr);

			return ret;
		}