Android programming method for judging whether to connect to the network [WiFi and 3G judgment]

This paper describes the method of Android programming to judge whether to connect to the network. Share with you for your reference, as follows:

Judge whether the WiFi network is linked:

Determine whether the 3G network is linked:

Relevant permissions:

PS: for the properties and functions related to the androidmanifest.xml file, please refer to the online tools of this website:

Description of Android manifest functions and permissions: http://tools.jb51.net/table/AndroidManifest

More readers interested in Android related content can view the special topics of this site: summary of Android communication mode, introduction and advanced tutorial of Android development, summary of Android debugging skills and common problem solving methods, summary of Android basic component usage, summary of Android view skills, summary of Android layout skills, and Android control usage summary

I hope this article will help you in Android programming.