Android实现跟随手指拖动并自动贴边的View样式(实例demo)

效果图 代码 /** * 根据手指拖动的当前位置，自动贴边的View */ public class DragView extends ImageView implements View.OnTouchListener{ private int screenWidth; private int screenHeight; private Context mContext; private int lastX, lastY; private int left ,top; private ViewGroup.MarginLayoutParams layoutParams;