获取异常"访问被拒绝.(HRESULT异常:0x80070005(E_ACCESSDENIED))"

Question

我得到一个例外

"Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))" on the code for Proximity (Windows Phone 8)`

ProximityDevice device = ProximityDevice. GetDefault ();

请让我知道原因

Answer 1

您是否在项目清单中添加了NFC功能？您需要在visual studio中打开WMAppManifest.xml文件,进入Capabilities选项卡并选择ID_CAP_PROXIMITY,然后一切正常工作:)