Android手势左右滑动效果

@H_489_3@ public class MyRelativeLayout extends RelativeLayout implements GestureDetector.onGestureListener{ private float mposx,mposy,mCurposx,mCurposy; private static final int FLING_MIN_DISTANCE = 20;// 移动最小距离 private static final int FLING_MIN_VELociTY = 200;// 移动最大速度 //构建手势探测器 GestureDetector mygesture = new GestureDetector(this); public MyRelativeLayout(Context context){ super(context) } public MyRelativeLayout(Context context,AttributeSet attrs,int defStylE) { super(context,attrs,defStylE); // TODO Auto-generated constructor stub } public MyRelativeLayout(Context context,AttributeSet attrs) { super(context,attrs); // TODO Auto-generated constructor stub } @Override public Boolean onTouchEvent(MotionEvent arg0) { // TODO Auto-generated method stub return mDetector.onTouchEvent(arg0); } @Override public Boolean onSingleTapUp(MotionEvent E) { // TODO Auto-generated method stub return false; } @Override public Boolean onScroll(MotionEvent e1,MotionEvent e2,float distanceX,float distanceY) { // TODO Auto-generated method stub return false; } @Override public Boolean onDown(MotionEvent E) { // TODO Auto-generated method stub return false; } @Override public void onShowPress(MotionEvent E) { // TODO Auto-generated method stub } @Override public Boolean onFling(MotionEvent e1,float veLocityX,float veLocityY) { // TODO Auto-generated method stub // e1：第1个ACTION_DOWN MotionEvent // e2：最后一个ACTION_MOVE MotionEvent // veLocityX：X轴上的移动速度（像素/秒） // veLocityY：Y轴上的移动速度（像素/秒） // X轴的坐标位移大于FLING_MIN_DISTANCE，且移动速度大于FLING_MIN_VELociTY个像素/秒 //向左 if (e1.getY() - e2.getY() > FLING_MIN_DISTANCE){ // && Math.abs(veLocityX) > FLING_MIN_VELociTY) { collapse(); } //向上 if (e2.getY() - e1.getY() > FLING_MIN_DISTANCE && Math.abs(veLocityX) > FLING_MIN_VELociTY) { } return false; } }