Android 隐藏 Activity 异步调用
我是 android 新手，正在构建一个 Android 库，其中有一个奇怪的用例，如下所示：
Method(parms...){
if(somedata exists in local filestore)
make webservice call and set result;
else
start activity with webview and get result from activity
}
}
如果第一个条件成功，我希望它异步调用 Web 服务，而第二个条件则调用一个活动，我将调用该活动think 需要位于同一线程上，以允许调用者获取活动结果。
我正在考虑使用像发现的那样的隐藏活动 此处。但对我来说这似乎很老套。还有其他建议吗？我认为在库中拥有两个单独的方法可能会更干净，但如果可能的话我想将它们放在一起。
I am new to android and I am building an Android library where I have a weird use case like the following:
Method(parms...){
if(somedata exists in local filestore)
make webservice call and set result;
else
start activity with webview and get result from activity
}
}
If the first condition succeeds I would like it to make the webservice call asynchronously, while with the second, an activity is invoked which I think needs to be on the same thread to allow the caller to get the activity result.
I was thinking to use a hidden activity like the one found here. But it seems very hacky to me. Any other suggestions? I am thinking it might just be cleaner to have two separate methods in the library but I would like to keep them together if possible.
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没有 UI 的 Activity，您是指 Service 吗？请阅读本文档。它描述了如何对此服务进行同步和异步调用。
An Activity without UI, do you mean a Service? Please read this document. It describes how to do synchronous and async calls to this service.