由网友(隐身守候)分享简介：当一个应用程序需要网络连接和连接失败，我得到一个消息对话框Whenever a application needs internet and connection fails, I get a message dialog 连接失败此应用程序需要访问网络。启用移动网络或Wi-Fi下载数据。 Connection...

当一个应用程序需要网络连接和连接失败，我得到一个消息对话框

Whenever a application needs internet and connection fails, I get a message dialog

连接失败 此应用程序需要访问网络。启用移动网络或Wi-Fi下载数据。

Connection failed This application requires network access. Enable mobile network or Wi-Fi to download data.

和两个按钮，设置，取消。

and two buttons, Settings, Cancel.

我如何检测在没有互联网连接？ 我如何在我的应用程序弹出一个对话框相同？

How do I detect there is no internet connection? How do I popup a same dialog in my application?

推荐答案

在这里你可以找到关于如何建立对话参考

Here you can find a reference on how to build dialogs

http://developer.android.com/guide/topics/ui/ dialogs.html

下面是一个code片段，可以帮助你检测网络连接：

Here is a code snippet that should help you detecting internet access:

http://www.androidsnippets.org/snippets/131/

BTW：是不是你问的这个问题已经在2009年15十一月？ http://groups.google.com/group/android-beginners/browse_thread/thread/715cedfc5fd6f020?utoken=QyP-dzQAAACEe9Lph6eUOAakqA3-BnR-KvPfK0ltyCETgVsCM3D7GeEWTAM9S5G8WBs1q2tBppm1FwwMIvCGKnxkm-CrwSdp

btw: wasn't it you that asked this question already on 15. Nov. 2009? http://groups.google.com/group/android-beginners/browse_thread/thread/715cedfc5fd6f020?utoken=QyP-dzQAAACEe9Lph6eUOAakqA3-BnR-KvPfK0ltyCETgVsCM3D7GeEWTAM9S5G8WBs1q2tBppm1FwwMIvCGKnxkm-CrwSdp