这是一个基本的Android示例应用程序演示了在不同形状的拖放操作。海拔和z转换用于渲染阴影和意见都使用不同的轮廓裁剪。-This is a basic android sample application demonstrates a drag and drop action on different shapes. Elevation and z-translation are used to render the shadows and the views are clipped usin