Android 监听 ScrollView 滑动到最底部。

 1 public class ScrollBottomScrollView extends ScrollView {
 2 
 3     private OnScrollBottomListener _listener;
 4     private int _calCount;
 5 
 6     public interface OnScrollBottomListener {
 7         void srollToBottom();
 8     }
 9 
10     public void registerOnScrollViewScrollToBottom(OnScrollBottomListener l) {
11         _listener = l;
12     }
13 
14     public void unRegisterOnScrollViewScrollToBottom() {
15         _listener = null;
16     }
17 
18     public ScrollBottomScrollView(Context context, AttributeSet attrs) {
19         super(context, attrs);
20     }
21 
22     @Override
23     protected void onScrollChanged(int l, int t, int oldl, int oldt) {
24         View view = this.getChildAt(0);
25         if (this.getHeight() + this.getScrollY() == view.getHeight()) {
26             _calCount++;
27             if (_calCount == 1) {
28                 if (_listener != null) {
29                     _listener.srollToBottom();
30                 }
31             }
32         } else {
33             _calCount = 0;
34         }
35     }
36 }