触摸时的列表视图位置，甚至总是返回 0答案

【问题标题】：list view position in on touch even returning 0 always触摸时的列表视图位置，甚至总是返回 0
【发布时间】：2025-12-09 12:35:01
【问题描述】：

以下是我的代码：但我得到的 pos 值为 0。请帮忙

 public boolean onTouch(View view, MotionEvent motionEvent) { 
            if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
                DragShadowBuilder shadowBuilder = new View.DragShadowBuilder(view);
                pos = listView.pointToPosition((int) motionEvent.getX(), (int) motionEvent.getY());
                view.startDrag(null, shadowBuilder, view, 0);
                return true;
            }
}

【问题讨论】：

标签： android android-listview touch-event

【解决方案1】：

按照以下应用中所示进行更改

DragShadowBuilder shadowBuilder;
public boolean onTouch(View view, MotionEvent motion)
       if (motionEvent.getAction() == Motion.ACTION_DOWN) {
             shadowBuilder = new View.DragShadowBuilder(view);
             pos = listView.pointToPosition((int) motion.getX(), (int) motion.getY());
             Toast.makeText(getApplicationContext(),"Pos is:"+pos,Toast.LENGTH_SHORT).show();
             view.startDrag(null, shadowBuilder, view, 0);
             return false;
       }
}

【讨论】：