Android 3g上网的相关内容

Android 3G/4G流量上网原理简析

手机一般会提供两种上网方式：Wifi或者3G/4G上网，Wifi上网其实就是利用网卡通过以太网上网；3G/4G则是通过基带，利用蜂窝网络进行上网，之前已经简单的阐述了Wifi上网跟3G上网的区别，本文主要简述Android 3G/4G上网的流程及原理。无线上网硬件模型3G/4G上网协议ppp3G/4...

Android系统移植与调试之------->如何修改Android设备添加3G上网功能

1、首先先来看一下修改前后的效果对比图 step1、插上3G设备前 step2、插上3G设备后，获取信号中。。。。 step3、插上3G设备后，获取到信号 step4、使用3G信号浏览网页 2、下面讲解一下具体的修改步骤 step1、进入到device/other/TBDG1073/overlay/...

开源Android容器化框架Atlas开发者指南

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android 强制2G/3G或WIFI 优先上网

android开发中有时候需要设定程序连接网络优先 2G/3G 或 WIFI，下面片段代码给出设置方法： public void setPreferredNetwork(int networkType) { ConnectivityManager connMgr = (ConnectivityMan...

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