介绍 public class MoveImage extends ImageView {/* *
,*
,*浮动工具类
,*
,*/,private int lastX =, 0;
,private int lastY =, 0;
,private int dx;
,private int dy;
,private float movex =, 0;
,private float movey =, 0;
,private int screenWidth;
,private int screenHeight;
,public MoveImage (Context 上下文,AttributeSet attrs), {
,超级(上下文,attrs);=,,screenWidth ScreenUtils.getWidth(上下文);=,,screenHeight ScreenUtils.getHeight(上下文);
,}
,@Override
,public boolean onTouchEvent (MotionEvent 事件),{
,switch (event.getAction ()), {
,case MotionEvent.ACTION_DOWN:=,lastX (int), event.getRawX ();=,lastY (int), event.getRawY ();=,,movex lastX;=,,movey lastY;
,打破;
,case MotionEvent.ACTION_MOVE:=,dx (int), event.getRawX(),安康;lastX;=,dy (int), event.getRawY(),安康;lastY;
,int left =, getLeft (), +, dx;
,int top =, getTop (), +, dy;
,int right =, getRight (), +, dx;
,int bottom =, getBottom (), +, dy;
,if (left & lt;, 0), {=,left 0;=,,right left +, getWidth ();
,}
,if (right 祝辞,screenWidth), {=,,right screenWidth;=,,left right 作用;getWidth ();
,}
,if (top & lt;, 0), {=,top 0;=,,bottom top +,获得();
,}
,if (bottom 祝辞,screenHeight), {=,,bottom screenHeight;=,,top bottom 作用;获得();
,}
,布局(左,,,,对,,底部);=,lastX (int), event.getRawX ();=,lastY (int), event.getRawY ();
,打破;
,case MotionEvent.ACTION_UP:
,//避免滑出触发点击事件
,if ((int), (event.getRawX(),安康;movex), !=, 0
,| |,(int), (event.getRawY(),安康;movey), !=, 0), {
,return 真实;
,}
,打破;
,默认值:
,打破;
,}
,return super.onTouchEvent(事件);
,}
} & lt; com.zjtd.bzcommunity.text.MoveImage
,android: id=癅 + id/iv_phone_bar"
,android: layout_width=皐rap_content"
,android: layout_height=皐rap_content"
,android: layout_alignParentBottom=皌rue"
,android: layout_alignParentRight=皌rue"
70年,android: layout_marginBottom=癲p"
https://www.yisu.com/zixun/, android: src=" @drawable/my_qiandao_icon "/> private MoveImage iv_phone_bar;//签到图片
iv_phone_bar =, (MoveImage), view.findViewById (R.id.iv_phone_bar);
iv_phone_bar.setOnClickListener(这个);//,签到
case R.id.iv_phone_bar:
,startActivity (new 意图(getActivity (),, SignAcitvity.class));//点击跳转页面
,打破;
这篇文章主要介绍怎么使用Android实现图片浮动随意拖拽效果,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!
本文实例为大家分享了Android实现图片浮动拖拽效果的具体代码,供大家参考,具体内容如下
实现步骤
1。先自定义一个浮动工具类
2。xml布局的引用
3。活动的实现
