使用 MonoTouch 检索 iOS 设备的设备序列号的最简单方法是什么?

问题描述

MonoTouch 是否有一个简单的机制来检索 iOS 设备的设备序列号(不是 UDID)?我可以使用第三方库来获取它吗?

Does MonoTouch have a simple mechanism for retrieving the device serial number (not UDID) of an iOS device? Is there a third-party library which I can use to obtain this?

以防万一，我希望在内部应用程序中使用此功能，而不关心 App Store 审批流程.

In case it matters, I'm looking to use this functionality in an in-house application and am not concerned with the App Store approval process.

推荐答案

更新:从 iOS 8 开始，我们无法检索 iDevice 的序列号.

要从 Monotouch 检索 iphone 序列号，您可以使用此技术:

To retrieve iphone serial number from Monotouch, you can use this technic:

1. 从 XCode 创建一个静态库 .a，具有获取序列号的功能
2. 在 MonoDevelop 中，创建一个绑定项目，将您的 .a 库绑定到 C# 类/函数(http://docs.xamarin.com/guides/ios/advanced_topics/binding_objective-c_libraries)
3. 在您的应用程序中，您调用此绑定库(在第 2 步中).

详情:

STEP 1. 在我的 library.a 中，我有一个类 DeviceInfo，这里是获取序列号的实现

STEP 1. In my library.a, I have a class DeviceInfo, here is the implementation to get Serial number

#import "DeviceInfo.h"

#import <dlfcn.h>
#import <mach/port.h>
#import <mach/kern_return.h>
@implementation DeviceInfo

- (NSString *) serialNumber
{
    NSString *serialNumber = nil;

    void *IOKit = dlopen("/System/Library/Frameworks/IOKit.framework/IOKit", RTLD_NOW);
    if (IOKit)
    {
        mach_port_t *kIOMasterPortDefault = dlsym(IOKit, "kIOMasterPortDefault");
        CFMutableDictionaryRef (*IOServiceMatching)(const char *name) = dlsym(IOKit, "IOServiceMatching");
        mach_port_t (*IOServiceGetMatchingService)(mach_port_t masterPort, CFDictionaryRef matching) = dlsym(IOKit, "IOServiceGetMatchingService");
        CFTypeRef (*IORegistryEntryCreateCFProperty)(mach_port_t entry, CFStringRef key, CFAllocatorRef allocator, uint32_t options) = dlsym(IOKit, "IORegistryEntryCreateCFProperty");
        kern_return_t (*IOObjectRelease)(mach_port_t object) = dlsym(IOKit, "IOObjectRelease");

        if (kIOMasterPortDefault && IOServiceGetMatchingService && IORegistryEntryCreateCFProperty && IOObjectRelease)
        {
            mach_port_t platformExpertDevice = IOServiceGetMatchingService(*kIOMasterPortDefault, IOServiceMatching("IOPlatformExpertDevice"));
            if (platformExpertDevice)
            {
                CFTypeRef platformSerialNumber = IORegistryEntryCreateCFProperty(platformExpertDevice, CFSTR("IOPlatformSerialNumber"), kCFAllocatorDefault, 0);
                if (CFGetTypeID(platformSerialNumber) == CFStringGetTypeID())
                {
                    serialNumber = [NSString stringWithString:(__bridge NSString*)platformSerialNumber];
                    CFRelease(platformSerialNumber);
                }
                IOObjectRelease(platformExpertDevice);
            }
        }
        dlclose(IOKit);
    }

    return serialNumber;
}

@end

第 2 步.在 Monotouch 中我的绑定库项目的 ApiDefinition.cs 中，我添加了此绑定:

STEP 2. In ApiDefinition.cs of my Binding Library project in Monotouch, I add this binding:

[BaseType (typeof (NSObject))]
    public interface DeviceInfo {
        [Export ("serialNumber")]
        NSString GetSerialNumber ();
    }

第 3 步.在我的应用程序中，我在第 2 步中导入对绑定库项目的引用，然后添加

STEP 3. In my application, I import Reference to Binding library project in step 2, then add

使用 MyBindingProject;

using MyBindingProject;

...

string serialNumber = "";
            try {
                DeviceInfo nativeDeviceInfo = new DeviceInfo ();
                NSString temp = nativeDeviceInfo.GetSerialNumber();
                serialNumber = temp.ToString();
            } catch (Exception ex) {
                Console.WriteLine("Cannot get serial number {0} - {1}",ex.Message, ex.StackTrace);
            }

希望有所帮助.如果您有任何问题，请不要犹豫.

Hope that helps. Don't hesitate if you have any question.

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