我尝试从我的简单Forms应用程序中使用Azure移动服务,但它不起作用。最后一个命令一直运行。我使用WebClient检查了Internet连接,一切正常。该代码在简单的Windows控制台应用程序中可以正常工作。
var ms = new MobileServiceClient(
@"https://xxx.azure-mobile.net/",
@"xxx"
);
IMobileServiceTable<TodoItem> todoTable =
ms.GetTable<TodoItem>();
List<TodoItem> items = todoTable
.Where(todoItem => todoItem.Complete == false).ToListAsync().Result;
编辑: 我使用Xamarin Studio,因为我只有独立许可证。对于调试,我尝试了三星Galaxy S3和华为Ascend P7,结果相同。我已经更新了Xamarin,并且现在如果我使用async-await获取结果,它会产生一个有趣的异常。
Java.Lang.RuntimeException: java.lang.reflect.InvocationTargetException
at --- End of managed exception stack trace ---
at java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:675)
at at dalvik.system.NativeStart.main(Native Method)
at Caused by: java.lang.reflect.InvocationTargetException
at at java.lang.reflect.Method.invokeNative(Native Method)
at at java.lang.reflect.Method.invoke(Method.java:515)
at at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:859)
at ... 2 more
at Caused by: md52ce486a14f4bcd95899665e9d932190b.JavaProxyThrowable: System.NullReferenceException: Object reference not set to an instance of an object
at at Xamarin.Forms.Platform.Android.FormsApplicationActivity.OnPrepareOptionsMenu (Android.Views.IMenu) <IL 0x00007, 0x00050>
at Android.App.Activity.n_OnPrepareOptionsMenu_Landroid_view_Menu_ (intptr,intptr,intptr) [0x00011] in /Users/builder/data/lanes/monodroid-mavericks-monodroid-5.1-series/d23da369/source/monodroid/src/Mono.Android/platforms/android-21/src/generated/Android.App.Activity.cs:4151
at at (wrapper dynamic-method) object.fcd55d8e-49be-4c8f-b3a6-37be6bdb988f (intptr,intptr,intptr) <IL 0x00017, 0x0005b>
at at md5530bd51e982e6e7b340b73e88efe666e.FormsApplicationActivity.n_onPrepareOptionsMenu(Native Method)
at at md5530bd51e982e6e7b340b73e88efe666e.FormsApplicationActivity.onPrepareOptionsMenu(FormsApplicationActivity.java:110)
at at android.app.Activity.onPreparePanel(Activity.java:2612)
at at com.android.internal.policy.impl.PhoneWindow.preparePanel(PhoneWindow.java:518)
at at com.android.internal.policy.impl.PhoneWindow.doInvalidatePanelMenu(PhoneWindow.java:872)
at at com.android.internal.policy.impl.PhoneWindow$1.run(PhoneWindow.java:243)
at at android.view.Choreographer$CallbackRecord.run(Choreographer.java:780)
at at android.view.Choreographer.doCallbacks(Choreographer.java:593)
at at android.view.Choreographer.doFrame(Choreographer.java:561)
at at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:766)
at at android.os.Handler.handleCallback(Handler.java:733)
at at android.os.Handler.dispatchMessage(Handler.java:95)
at at android.os.Looper.loop(Looper.java:136)
at at android.app.ActivityThread.main(ActivityThread.java:5290)
at ... 5 more
await
吗?我发现在TPL和网络方面都存在一些问题 - 特别是超时不起作用。 - Sten Petrov