首页 > 代码库 > android手势事件 快速移动 长按触摸屏 按下触摸屏,并拖动
android手势事件 快速移动 长按触摸屏 按下触摸屏,并拖动
/* 用户按下触摸屏、快速移动后松开 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { //参数解释: // 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 // 触发条件 : // 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 if (e1.getX() - e2.getX() > FLING_MIN_DISTANCE && Math.abs(velocityX) > FLING_MIN_VELOCITY) { // Fling left Toast.makeText(this, "Fling Left", Toast.LENGTH_SHORT).show(); } else if (e2.getX() - e1.getX() > FLING_MIN_DISTANCE && Math.abs(velocityX) > FLING_MIN_VELOCITY) { // Fling right Toast.makeText(this, "Fling Right", Toast.LENGTH_SHORT).show(); } return false; } // 用户长按触摸屏,由多个MotionEvent ACTION_DOWN触发 @Override public void onLongPress(MotionEvent e) { // TODO Auto-generated method stub } // 用户按下触摸屏,并拖动,由1个MotionEvent ACTION_DOWN, 多个ACTION_MOVE触发 @Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { // TODO Auto-generated method stub return false; } // 用户长按触摸屏,由多个MotionEvent ACTION_DOWN触发 @Override public void onLongPress(MotionEvent e) { // TODO Auto-generated method stub } // 用户按下触摸屏,并拖动,由1个MotionEvent ACTION_DOWN, 多个ACTION_MOVE触发 @Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { // TODO Auto-generated method stub return false; }
<iframe id="google_ads_frame2" vspace="0" height="250" marginHeight="0" src="http://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-3447371224873639&output=html&h=250&slotname=8660799060&adk=1970350646&w=300&lmt=1400533870&flash=0&url=http%3A%2F%2Fwww.cnblogs.com%2Fxiaochao1234%2Fp%2F3737279.html&dt=1400533872094&shv=r20140513&cbv=r20140417&saldr=sb&correlator=1400533871968&frm=20&ga_vid=241618604.1400321121&ga_sid=1400510967&ga_hid=899860006&ga_fc=1&u_tz=480&u_his=757&u_java=1&u_h=768&u_w=1364&u_ah=740&u_aw=1364&u_cd=16&u_nplug=0&u_nmime=0&dff=verdana&dfs=16&adx=0&ady=1572&biw=314&bih=74&eid=317150304&oid=3&rx=0&eae=0&docm=9&vis=0&fu=0&ifi=2&xpc=iVu9gmyl41&p=http%3A//www.cnblogs.com&dtd=49" frameBorder="0" width="300" allowTransparency="true" name="google_ads_frame2" marginWidth="0" scrolling="no" hspace="0"></iframe><iframe id="google_ads_frame3" vspace="0" height="250" marginHeight="0" src="http://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-3447371224873639&output=html&h=250&slotname=8660799060&adk=1970350646&w=300&lmt=1400533870&flash=0&url=http%3A%2F%2Fwww.cnblogs.com%2Fxiaochao1234%2Fp%2F3737279.html&dt=1400533872151&shv=r20140513&cbv=r20140417&saldr=sb&prev_slotnames=8660799060&correlator=1400533871968&frm=20&ga_vid=241618604.1400321121&ga_sid=1400510967&ga_hid=899860006&ga_fc=1&u_tz=480&u_his=757&u_java=1&u_h=768&u_w=1364&u_ah=740&u_aw=1364&u_cd=16&u_nplug=0&u_nmime=0&dff=verdana&dfs=16&adx=306&ady=1822&biw=314&bih=74&eid=317150304&oid=3&rx=0&eae=0&docm=9&vis=0&fu=0&ifi=3&xpc=53FvT8XbqI&p=http%3A//www.cnblogs.com&dtd=45" frameBorder="0" width="300" allowTransparency="true" name="google_ads_frame3" marginWidth="0" scrolling="no" hspace="0"></iframe>
声明:以上内容来自用户投稿及互联网公开渠道收集整理发布,本网站不拥有所有权,未作人工编辑处理,也不承担相关法律责任,若内容有误或涉及侵权可进行投诉: 投诉/举报 工作人员会在5个工作日内联系你,一经查实,本站将立刻删除涉嫌侵权内容。