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Android allows you to backup your application data to remote "cloud" storage, in order to provide a restore point for the application data and settings. You can only backup your ap
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Android Apk自动更新service
Android sdk version 9以上就有DownManager
使用DownManager,我们可以很简便的在各个安卓机子上升级自家的应用
本例写了一个UpdataService实现后台下载新的APK到sdcard，并自动安装更新。
/**
* 检测安装更新文件的助手类
*
* @a
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架构图：
邮件服务原理及架构 (linuxcast 笔记)
电子邮件基本概念：
MUA（Mail User Agent） 接收邮件所使用的邮件客户端，使用IMAP或POP3协议与服务器通信；
MTA（Mail Transfer Agent） 通过SMTP协议发送、转发邮件；
MDA（Mail Deliver Agent）
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Android allows your application to connect to facebook and share data or any kind of updates on facebook. This chapter is about integrating facebook into your application.
There
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The Android platform includes a JET engine that lets you add interactive playback of JET audio content in your applications. Android provides JetPlayer class to handle this stuff.
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Sometimes you don't want an image to appear abruptly on the screen, rather you want to apply some kind of animation to the image when it transitions from one image to another.
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Android provides special types of touch screen events such as pinch , double tap, scrolls , long presses and flinch. These are all known as gestures.
Android provides GestureDet
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Android allows you to manipulate images by adding different kinds of effects on the images. You can easily apply image processing techniques to add certain kinds of effects on imag