我有一个Azure移动服务,它从多个源检索数据并将其传递给我的移动应用程序以供使用 . 到目前为止,我已经用它来开发Windows移动应用程序,它完全正常 . 现在我想将同一个应用程序扩展到android,我想利用来自同一天蓝色移动服务的数据 .
我的用于检索数据的Windows应用程序的C#代码是
MobileServiceClient mobileservice = new MobileServiceClient("url", "key");
var aod_return = await mobileservice.InvokeApiAsync("CCOOutageHistoryData", HttpMethod.Get, null);
List<Data> aod_result = JsonConvert.DeserializeObject<List<Data>>(aod_return.ToString());
VList3.ItemsSource = aod_result;
我尝试在JAVA中使用这个Android应用程序
try {
mClient = new MobileServiceClient("url", "key", this);
mClient.invokeApi("CCOOutageHistoryData",null, "GET", null, new ApiJsonOperationCallback() {
@Override
public void onCompleted(JsonElement jsonElement, Exception e, ServiceFilterResponse serviceFilterResponse) {
GsonBuilder gsonb = new GsonBuilder();
Gson gson = gsonb.create();
JsonArray array = jsonElement.getAsJsonArray();
List<MyObject> myObjects = new ArrayList<MyObject>();
for(int i = 0; i < array.size(); i++) {
myObjects.add(gson.fromJson(array.get(i).getAsJsonObject().toString(), MyObject.class));
}
}
});
} catch (MalformedURLException e) {
// Do nothing
}
但是,当我给出断点时,在初始化mclient之后它不会进入下一行代码,而且我用于Mclient.Incokeapi的语法也被认为是不推荐使用的 . 你可以指出这个错误,并帮助我在Java的新语法中实现上面的c#代码 .
我在构建代码时得到以下异常 .
invoke is not implemented
java.lang.UnsupportedOperationException: invoke is not implemented
at com.jetbrains.cidr.lang.refactoring.introduce.OCBaseIntroduceHandler.invoke(OCBaseIntroduceHandler.java:263)
at com.intellij.refactoring.actions.BaseRefactoringAction.actionPerformed(BaseRefactoringAction.java:125)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher$3.performAction(IdeKeyEventDispatcher.java:593)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.processAction(IdeKeyEventDispatcher.java:644)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.inInitState(IdeKeyEventDispatcher.java:483)
at com.intellij.openapi.keymap.impl.IdeKeyEventDispatcher.dispatchKeyEvent(IdeKeyEventDispatcher.java:213)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:538)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:382)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
我试过用
mClient.invokeApi("CCOOutageHistoryData",null, "GET", null, new ApiJsonOperationCallback() {
@Override
public void onCompleted(JsonElement jsonElement, Exception e, ServiceFilterResponse serviceFilterResponse) {
GsonBuilder gsonb = new GsonBuilder();
Gson gson = gsonb.create(); JsonArray array = jsonElement.getAsJsonArray();
List<MyObject> myObjects = new ArrayList<MyObject>();
for(int i = 0; i < array.size(); i++)
{
myObjects.add(gson.fromJson(array.get(i).getAsJsonObject().toString(), MyObject.class));
}
}
});
但不起作用 . 有人可以帮我解决这个问题
1 回答
根据我的理解,您希望使用Java for Android从Mobile Service的JavaScript后端中的自定义API endpoints 检索数据,就像您在C#中的代码一样 .
假设您熟悉C#,nto Java . 我想你可以尝试查看类
MobileServiceClient
的javadoc,知道如何使用不同参数的函数invokeApi
. 我找不到这个javadoc,但我认为你可以从https://github.com/Azure/azure-mobile-services/blob/master/sdk/android/src/sdk/src/main/java/com/microsoft/windowsazure/mobileservices/MobileServiceClient.java类的MobileServiceClient
源代码的注释中得到类似的帮助 .同时,下面有一些官方教程和博客可以帮助学习这个原理 .
How to: define a custom API endpoint in a JavaScript backend mobile service
The section How to: Call a custom API of the doc How to use the Android client library for Mobile Services
The blog Custom API in Azure Mobile Services – Client SDKs from MSDN
希望能帮助到你 . 最好的祝福 .
更新:
来自后端的响应内容如下:
Java代码如下: