如何收集来自IntentService和更新Android的UI信息 [英] How to Collect info from IntentService and Update Android UI

问题描述

我学习Android和我只能和我的服务。

I'm learning Android and I'm stuck with my service.

我的应用程序通过插座连接到我的服务器每隔X秒，接收XML，解析在一个TextView的信息，并将其的表演。

My application connects via Socket to my server every X seconds, receives an XML, parses the information and it's shows in a TextView.

我想知道我怎么能实现一个IntenService做到这一点，如何沟通的信息到用户界面。我发现很难看到很好的例子。

I'd like to know how can I implement an IntenService to do this and how to communicate the info to the UI. I'm finding very hard to see good examples.

我AP preciate任何帮助，您可以给我。

I appreciate any help you can give me.

感谢您！

推荐答案

使用一个处理程序，并从intentservice发送消息给父活动

Use a handler and send a message to parent activity from the intentservice

父活动

声明处理器

Handler handler = new Handler() {
    @Override
    public void handleMessage(Message msg) {
            Bundle reply = msg.getData();
                            // do whatever with the bundle here
            }
};

调用intentservice：

Invoking the intentservice:

        Intent intent = new Intent(this, IntentService1.class);
        intent.putExtra("messenger", new Messenger(handler));
        startService(intent);

在 IntentService

    Bundle bundle = intent.getExtras();
    if (bundle != null) {
        Messenger messenger = (Messenger) bundle.get("messenger");
        Message msg = Message.obtain();
        msg.setData(data); //put the data here
        try {
            messenger.send(msg);
        } catch (RemoteException e) {
            Log.i("error", "error");
        }
    }

这篇关于如何收集来自IntentService和更新Android的UI信息的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！