Android编程的相关内容

文章 2017-11-20 来自：开发者社区

Android 网路编程

1、获得网络信息首先在AndroidManifest.xml中加入权限 <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>  Code代码如下： public class MainActivity extends Activity {   ...

文章 2017-11-15 来自：开发者社区

Android教程之android数据库编程

由于android内置了SQLite数据库！ SQLite本身就是一个很小型的数据库！数据库存储的位置在data/data/<项目文件夹>/databases/ 1：创建数据库Context.createDatabase(String name,int version ,int mode,CursorFactory factory) 如果创建不成...

文章 2017-11-15 来自：开发者社区

android 40 Io编程

Io编程：内存卡和sd卡。字符串存入内存卡然后读出来。 activity: package com.sxt.day06_06; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; i...

文章 2017-11-12 来自：开发者社区

关于android USB Host编程的一些总结

以前没有接触过android USB Host编程。来到这个公司后，一边做着测试项目，一边又得研究着这个组长临时给的任务。他开始说的是，想实现android手机与PC端通过USB 编程方式进行连接，这样写一个android程序装在手机上，插上USB连上电脑，在电脑上就可...

文章 2017-11-11 来自：开发者社区

Android socket编程

Socket通常也称做”套接字“，用于描述IP地址和端口，它就是网络通信过程中端点的抽象表示。Java在包java.net中提供了两个类Socket和ServerSocket，分别用来表示双向连接的客户端和服务端。 SocketServer类，服务器实现： public class SocketServer { ServerSocket...

文章 2017-11-10 来自：开发者社区

Android学习指南之三十八：Android手势操作编程[转]

手势操作在我们使用智能设备的过程中奉献了不一样的体验。Android开发中必然会进行手势操作方面的编程。那么它的原理是怎样的呢？我们如何进行手势操作编程呢？手势操作原理首先，在Android系统中，每一次手势交互都会依照以下顺...

文章 2017-11-09 来自：开发者社区

Android编程设置LayoutParams

1 RelativeLayout.LayoutParams linearParams = (RelativeLayout.LayoutParams)viewHolder.headerWraper.getLayoutParams(); 2 RelativeLayout.LayoutParams textParams = (RelativeLayout.Layout...

文章 2017-11-08 来自：开发者社区

android ->在界面上使用URI编程 ----开发笔记1

导言做android 开发有一段时间了,很多时候就是做些重复性的数据绑定,还有就是不够操作不够灵活,例如,我在某个界面要新增一个按钮,就需要发布一个新版本,就这么一个按钮的话其实,可以完全由服务器控制,例如UC,凡客他们要更新首页,不可能为了更新一个首页特地开发一个新版本,那多傻啊,所以,观察了一下,想出了一个可能解决的方案… 1.控制显示如...

文章 2017-11-07 来自：开发者社区

Android编程获取手机型号，本机电话号码，sdk版本及firmware版本号(即系统版本号)

Android开发平台中，可通过TelephonyManager 获取本机号码。 TelephonyManager phoneMgr=(TelephonyManager)this.getSystemService(Context.TELEPHONY_SERVICE); txtPhoneNumber.setText(phoneMgr.getLine1Number()); //...

文章 2017-11-01 来自：开发者社区

Android学习笔记--Scoket编程

MicrosoftInternetExplorer402DocumentNotSpecified7.8Normal01 . 什么是SocketSocket英文意为"插座"所谓Scoket通常也称作"套接字",用于描述IP地址和端口,是一个通信链的句柄应用程序通常通过"套接字"向网络发出请求或者应答网络请求2 . Socket基本通信模型3 .&nb...

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