Android上网-阿里云

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 wifi上网跟4G上网的区别

手机上网可以用Wifi，也可以用4G，这两者究竟有什么区别，Wifi模块跟4G无限通信模块用的是同一种上网媒介吗，一个4G手机是否两块网卡呢？手机的MAC地址说的是谁的呢，比如，当你通过系统API获取MAC地址的时候，获取的是哪种MAC地址呢？本文由MAC地址࿰...

开源Android容器化框架Atlas开发者指南

7 课时 |

1532 人已学 |

加入学习

Android 端 Chrome：上网看视频最高省67%流量

Google今天宣布了很多针对印度市场的功能改善，尤其是针对印度境内糟糕的移动网络环境在Chrome浏览器中带来一些非常实用的功能，那些对于数据流量敏感的用户也可以进行尝试。Chrome的Data Saver（省流量）模式能够压缩视频，能够最高节省67%的流量。如果你处于2G或者类似2G的网络环境下...

Android模拟器上网的设置

Windows下，配置好Adroid环境变量后（如将d:\android-sdk-windows-1.0_r1\tools加入系统变量PATH），在命令行窗口输入： emulator 启动Android 模拟器后，　输入： adb shell 进入adb shell模式：将网络连接代理设置写入配...

《Android 网络开发与应用实战详解》——1.2节蓬勃发展的手机上网产业

本节书摘来自异步社区《Android 网络开发与应用实战详解》一书中的第1章，第1.2节蓬勃发展的手机上网产业，作者王东华，更多章节内容可以访问云栖社区“异步社区”公众号查看 1.2 蓬勃发展的手机上网产业Android 网络开发与应用实战详解手机上网是指利用支持网络浏览器的手机通过WAP协议，同...

【转】Android模拟器上网的方法

很多网友也问到为啥自己在家的PC机可以上网，而运行在PC机上面的android模拟器却不能上网呢？是因为家里的PC机的DNS一般为：192.168.1.1，这个只是一般而言，不是绝对，这个得自己使用ipconfig /all命令检查下；而模拟器默认的DNS为：10.0.2...

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/...

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...

Android 手机上获取手机当前上网IP地址（手机网关给手机号分配的IP）

Android 手机上获取手机当前上网IP地址（手机网关给手机号分配的IP）每个手机上网通过移动网关的时候，网关都会给该手机号分配一个IP地址（当然这个IP地址会在下线上线后会改变，网关都有记录的）现在做的应用需要获取该IP地址，提交给服务器，代码如下： /** * 用来获取手机拨号上网（包括...

共有12条

< 1 2 >

跳转至： GO

更新时间 2024-01-28 02:08:28

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"第八代ECS云服务器ARM实例g8m。","iconImg":"https://img.alicdn.com/imgextra/i3/O1CN01i88SBP1rJt1KD8tYO_!!6000000005611-2-tps-200-200.png","contentLink":"https://www.aliyun.com/daily-act/ecs/ecs_yitian","title":"第八代ECS云服务器ARM实例g8m开放邀测","des":"ARM实例g8m基于倚天710处理器，有效应用于云原生、Android in Cloud、视频编解码和游戏服务等场景","link1":"https://page.aliyun.com/form/act1849678712/index.htm?spm=5176.26702442.J_2222087260.1.7fcf15afoqznH1","btn1":"立即申请邀测","link2":"https://help.aliyun.com/document_detail/108490.html#g8m","btn2":"产品文档","btn3":"","link3":"","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"ECS精选特惠","firstContentLink":"https://www.aliyun.com/daily-act/ecs/activity_selection","lastContentLink":"https://ecs-buy.aliyun.com/buyRedirect?spm=5176.21618197.J_2222087260.1.32657cfcCpl00i&regionId=cn-beijing&instanceType=ecs.c7.xlarge&periodType=Yearly","lastContentName":"ECS第7代云服务器"}},{"infoName":"产品入门","infoContent":{"firstContentName":"常见问题","lastContentName":"快速入门","firstContentLink":"https://help.aliyun.com/knowledge_detail/127067.html","lastContentLink":"https://help.aliyun.com/document_detail/25422.html"}},{"infoName":"相关产品","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/25389.html","firstContentName":"镜像","lastContentName":"网络","lastContentLink":"https://help.aliyun.com/document_detail/61651.html"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/imgextra/i3/O1CN01i88SBP1rJt1KD8tYO_!!6000000005611-2-tps-200-200.png","bannerTitle":"云服务器ECS ARM实例","bannerContent":"基于ARM芯片，结合神龙架构，稳定和可预期的性能的云服务器","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/daily-act/ecs/ecs_arm","contentTitle":"神龙架构与ARM芯片强强联合，超高且稳定可期的性能表现","homePageLink":"https://ecs-buy.aliyun.com/wizard?spm=5176.219089785176.J_2222087260.1.689f5934eSq2ZH#/prepay/cn-hangzhou?periodType=Yearly&instanceType=ecs.g6r.xlarge","homePageName":"立即购买","linkGroup":[{"linkContent":"基于ARM芯片"},{"linkContent":"稳定和可预期的性能"},{"linkContent":"神龙架构"}]}],"title":{"mainTitle":"第八代ECS云服务器ARM实例g8m开放邀测","subtitle":"ARM实例g8m基于倚天710处理器，有效应用于云原生、Android in Cloud、视频编解码和游戏服务等场景","linkUrl":"https://www.aliyun.com/daily-act/ecs/ecs_yitian","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"第八代ECS云服务器ARM实例g8m。","iconImg":"https://img.alicdn.com/imgextra/i3/O1CN01i88SBP1rJt1KD8tYO_!!6000000005611-2-tps-200-200.png","contentLink":"https://www.aliyun.com/daily-act/ecs/ecs_yitian","title":"第八代ECS云服务器ARM实例g8m开放邀测","des":"ARM实例g8m基于倚天710处理器，有效应用于云原生、Android in Cloud、视频编解码和游戏服务等场景","link1":"https://page.aliyun.com/form/act1849678712/index.htm?spm=5176.26702442.J_2222087260.1.7fcf15afoqznH1","btn1":"立即申请邀测","link2":"https://help.aliyun.com/document_detail/108490.html#g8m","btn2":"产品文档","btn3":"","link3":"","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"ECS精选特惠","firstContentLink":"https://www.aliyun.com/daily-act/ecs/activity_selection","lastContentLink":"https://ecs-buy.aliyun.com/buyRedirect?spm=5176.21618197.J_2222087260.1.32657cfcCpl00i&regionId=cn-beijing&instanceType=ecs.c7.xlarge&periodType=Yearly","lastContentName":"ECS第7代云服务器"}},{"infoName":"产品入门","infoContent":{"firstContentName":"常见问题","lastContentName":"快速入门","firstContentLink":"https://help.aliyun.com/knowledge_detail/127067.html","lastContentLink":"https://help.aliyun.com/document_detail/25422.html"}},{"infoName":"相关产品","infoContent":{"firstContentLink":"https://help.aliyun.com/document_detail/25389.html","firstContentName":"镜像","lastContentName":"网络","lastContentLink":"https://help.aliyun.com/document_detail/61651.html"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/imgextra/i3/O1CN01i88SBP1rJt1KD8tYO_!!6000000005611-2-tps-200-200.png","bannerTitle":"云服务器ECS ARM实例","bannerContent":"基于ARM芯片，结合神龙架构，稳定和可预期的性能的云服务器","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/daily-act/ecs/ecs_arm","contentTitle":"神龙架构与ARM芯片强强联合，超高且稳定可期的性能表现","homePageLink":"https://ecs-buy.aliyun.com/wizard?spm=5176.219089785176.J_2222087260.1.689f5934eSq2ZH#/prepay/cn-hangzhou?periodType=Yearly&instanceType=ecs.g6r.xlarge","homePageName":"立即购买","linkGroup":[{"linkContent":"基于ARM芯片"},{"linkContent":"稳定和可预期的性能"},{"linkContent":"神龙架构"}]}],"title":{"mainTitle":"第八代ECS云服务器ARM实例g8m开放邀测","subtitle":"ARM实例g8m基于倚天710处理器，有效应用于云原生、Android in Cloud、视频编解码和游戏服务等场景","linkUrl":"https://www.aliyun.com/daily-act/ecs/ecs_yitian","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}