• Android ListView的监听事件


    Android开发时,最常用的控件之一就是ListView了,而使用ListView的同时,必然需要对它设置监听器,常用的监听器有这么几个
    1.OnItemClickListener 
    2.OnTouchListener
    3.OnScrollListener
    1监听器在点击该项目的子项时触发,2监听器在触碰到ListView时触发,3监听器在ListView滚动时触发,
    下面几个例子分别表述了具体处理的办法

      

    class ItemClickEvent implements OnItemClickListener {  
      
            @Override  
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,  
                    long arg3) {  
                // TODO Auto-generated method stub  
                // arg1.setVisibility(View.GONE);  
      
                // 对子项处理的办法  
      
          
                // BtnCheck(0);  
                System.out.println(arg2);  
            }  
      
        }  
      
      
        class ItemTouchEvent implements OnTouchListener {  
      
            @Override  
            public boolean onTouch(View v, MotionEvent event) {  
                // TODO Auto-generated method stub  
                // System.out.println("触摸..");  
                if (event.getAction() == MotionEvent.ACTION_MOVE) {  
                    // System.out.println("MOVE");  //接触到ListView移动时  
                    BtnCheck(0);  
                } else if (event.getAction() == MotionEvent.ACTION_UP) {  
                    // System.out.println("up");   //离开ListView时  
                    BtnCheck(currentPage);  
                } else if (event.getAction() == MotionEvent.ACTION_DOWN) {  
                    // System.out.println("down");   //接触到ListView时  
                    BtnCheck(0);  
                }  
      
                return false;  
            }  
      
        }  
      
        class LvScrollEvent implements OnScrollListener {  
      
            @Override  
            public void onScroll(AbsListView view, int firstVisibleItem,  
                    int visibleItemCount, int totalItemCount) {  
                // TODO Auto-generated method stub  
      
            }  
      
            @Override  
            public void onScrollStateChanged(AbsListView view, int scrollState) {  
                // TODO Auto-generated method stub  
                switch (scrollState) {  
                case OnScrollListener.SCROLL_STATE_IDLE: //  
                    BtnCheck(currentPage);  
                    // mBusy = false;  
                    System.out.println("停止...");  
                    break;  
                case OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:  
                    BtnCheck(0);  
                    // mBusy = true;  
                    System.out.println("正在滑动...");  
                    break;  
                case OnScrollListener.SCROLL_STATE_FLING:  
                    BtnCheck(0);  
                    // mBusy = true;  
                    System.out.println("开始滚动...");  
      
                    break;  
                }  
            }  
      
        }  
    
    
    
     
    
    
    
     
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  • 原文地址:https://www.cnblogs.com/niray/p/4089604.html
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