Android异步AIDL [英] Android asynchronous AIDL

问题描述

我有一个主应用程序和一个远程服务应用程序，它们使用AIDL相互连接.

I have a main app and a remote service app that connects each other using AIDL.

我在远程服务中成功地完成了同步过程，但是如何进行异步过程呢?

I'm doing synchronous process successfully in remote service, but how can I do an asynchronous process?

我的AIDL文件是这样的:

My AIDL file is this:

import pack.addonlibrary.Action; /* parcelable */

interface IAddon {
    void onBind();
    void onUnbind();

    int getCallbacks();

    List<Action> onPageStarted(String url);
    List<Action> onPageFinished(String url);

    List<Action> onClicked(String url);

    List<Action> onUserConfirm(boolean cancelled);
    List<Action> onUserInput(String input, boolean cancelled);  

}

在我的远程服务中，我想要这样做:

In my remote service, I want to this:

@Override
public List<Action> onClicked(String url) {   
  httpRequest() => onFinish() => showToastInClient(result)
  //shows toasts in main app
}

推荐答案

通过创建新的AIDL(用于回调)，您可以异步实现AIDL:

You can implement AIDL asynchronously, by creating a new AIDL (for callbacks) as :

import pack.addonlibrary.Action;

oneway interface IAddOnCallback {

    void handleOnClicked(List<Action> actionList);
}

并通过以下方式更改 IAddon aidl类的 onClicked 方法:

And by changing onClicked method of IAddon aidl class from:

List<Action> onClicked(String url);

收件人:

void onClicked(IAddOnCallback callback, String url);

连接到服务后并调用 onClicked 方法时，您可以实现回调对象并将该对象发送到连接服务.回调存根(客户端)可以实现为:

After connecting to service and while calling onClicked method you can implement the callback object and can send that object to connecting service. Callback Stub (client) can be implemented as :

 IAddOnCallback.Stub callback = new IAddOnCallback.Stub() {

    @Override
    public void handleOnClicked(List<Action> actionList) throws RemoteException {
        // here you can perform actions
        //shows toasts in main app
    }
};

这是异步执行任务的方式.希望对您有所帮助.

This is how you can do tasks asynchronously. Hope it helps.

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