一套系统设置＆QUOT;仅使用2G网络＆QUOT;编程 [英] set system setting "use only 2g networks" programatically

问题描述

我怎么可以强制系统使用的2G，而不是3G呢？有在系统设置选项里，但我没有发现在Android的SDK函数来设置这个选项！

how can i force the system to use 2g instead of 3g? there is an option for this in the system settings but i didn't find a function in the android-sdk to set this option!

THX

推荐答案

这是不属于公共SDK的一部分在所有＆MDASH;该功能使用内部电话的API，你可以从<一见href=\"http://www.google.com/$c$csearch/p?hl=en#r4Q5vzOJY9U/src/com/android/phone/Settings.java&l=95\"相对=nofollow>设置应用程序的源代码code 。

This isn't part of the public SDK at all — the functionality uses internal telephony APIs, as you can see from the source code of the Settings application.

这是整个设备的通用设置，无论如何，所以用户肯定不会是最好的高兴您来回切换2G和3G之间的事打破了他们的数据连接。

This is a universal setting for the entire device anyway, so surely users wouldn't be best pleased about you breaking their data connectivity by switching back and forth between 2G and 3G anyway.

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