In this article, I'm going to demonstrate how to create a simple OBEX client application that can transfer a file to the server application.

在这篇文章中，我将演示如何创建一个简单的OBEX客户机应用程序，这个程序能够把文件传输到服务器应用程序。

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Right now, if you want to transfer a file to your Google contacts, you either have to email them the file or use the Google Talk desktop app or a compatible instant messaging client.

目前，如果你想给Google地址簿中的联系人发送文件，你需要使用email附件，桌面版Google Talk，或者安装一个兼容Gtalk的IM客户端。

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Instead, use an "out-of-band" transmission through a managed file transfer system ...

替代方法，通过受控的文件传输系统，使用一个“带外数据”传输……

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Initially, the images meandered over the WiFi network -- taking 15 minutes to transfer a single 15MB file.

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When I plugged a Linksys unit into an outlet near three light dimmers and a hair dryer, file transfer speed was cut in half, but dimmers or dryer alone brought the speed down just 25%, to roughly Wi-Fi rates.

FORBES: Home Networks: A Shocking Idea

The app creates a QR code representing the intended transfer of that file and temporarily sends the file to Xsync's server.

WSJ: Easier File Sharing With Phones In Black and White