问以编程方式启用USB tethering -有一个2.3版本的应用程序可以做到这一点

EN

 public void switchOnTethering() {

                Object obj = getSystemService(Context.CONNECTIVITY_SERVICE);
                for (Method m : obj.getClass().getDeclaredMethods()) {

                    if (m.getName().equals("tether")) {
                        try {
                            m.invoke(obj, "usb0");
                        } catch (IllegalArgumentException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        } catch (IllegalAccessException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        } catch (InvocationTargetException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    }
                }
        }

    // DETECT INTERFACE NAME
Log.i("UsbTethering","Detecting tetherable usb interface.");
String[] available = null;
ConnectivityManager connMgr = (ConnectivityManager)connectivityServiceObject;
Method[] wmMethods = connMgr.getClass().getDeclaredMethods();
for(Method getMethod: wmMethods)
{
    if(getMethod.getName().equals("getTetherableUsbRegexs"))
    {
        try
        {
            available = (String[]) getMethod.invoke(connMgr);
            break;
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }
}
// DETECT INTERFACE NAME


if(available.length > 0)
{       
    for(String interfaceName : available)
    {
        Log.i("UsbTethering", "Detected " + String.valueOf(available.length) + " tetherable usb interfaces.");
        Log.i("UsbTethering", "Trying to " + desiredString + " UsbTethering on interface " + interfaceName + "...");
        Integer returnCode = (Integer)method.invoke(connectivityServiceObject, interfaceName);
        if(returnCode == 0)
        {
            Log.i("UsbTethering", "UsbTethering " + desiredString + "d.");
            return true;
        }
        else
        {
            Log.w("UsbTethering", "Failed to " + desiredString + "Usb Tethering. ReturnCode of method " + method.getName() + ": " + String.valueOf(returnCode));
        }
    }
}