自己写的一个将网上资源存储到sdcard中的源代码。注意输入网上资源（例如图片）的时候要精确到图片的位置（即.jpg）而不是网址。-Write their own online resources will be stored in a sdcard in source code. Note that the input-line resources (such as images) to be accurate when the position of the picture (ie. Jpg

点击按钮，实现左右旋转翻页，（即上一页，下一页）-Click the button to achieve rotation flip around, (ie, Previous, Next)

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