android开发之onCreate( )方法详解 onCreate( )方法是android应用程序中最常见的方法之一,那么,我们在使用onCreate()方法的时候应该注意哪些问题呢? 先看看Google Android Developers官网上的解释: onCreate(Bundle) is where you initialize your activity. Most importantly, here you will usually call setContentView(int
首先说一下canvas类: Class Overview The Canvas class holds the "draw" calls. To draw something, you need 4 basic components: A Bitmap to hold the pixels, a Canvas to host the draw calls (writing into the bitmap), a drawing primitive (e.g. Rect, Path, t
Asp.net中GridView使用详解 效果图参考:http://hi.baidu.com/hello%5Fworld%5Fws/album/asp%2Enet中以gv开头的图片 l GridView无代码分页排序 l GridView选中,编辑,取消,删除 l GridView正反双向排序 l GridView和下拉菜单DropDownList结合 l GridView和CheckBox结合 l