自定义抽屉

public class MainActivity extends Activity implements Pulltoload_listener{
    
    private List<String>list;
    private int Max=80;
    private PulltoRefreshView pulltoRefreshView;
    private ArrayAdapter<String> adapter;
    private MeasuredListview listview;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        initdata();
        initview();
    }

    private void initview() {
        pulltoRefreshView = (PulltoRefreshView)findViewById(R.id.my_sc);
        
        pulltoRefreshView.setPull(this);
        pulltoRefreshView.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT));
    
        View centerView=View.inflate(this, R.layout.centerview, null);
        listview = (MeasuredListview)centerView.findViewById(R.id.my_listview);
//      listview.setSelection(ListView.FOCUS_DOWN);
        listview.setFocusable(false);
    
        pulltoRefreshView.setConterView(centerView);
        
        adapter = new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,list);
        listview.setAdapter(adapter);
        
        
    }
    Handler handler=new Handler(){
        public void handleMessage(android.os.Message msg) {
            
                if (msg.what==1) {
                    pulltoRefreshView.complate();
                    
                    if (adapter.getCount()==Max) {
                        Toast.makeText(MainActivity.this, "已经滑到底部，暂无更新", 0).show();
                        listview.setSelection(Max);
                        pulltoRefreshView.complate();
                    }   
                    adapter.notifyDataSetChanged();
                }else if (msg.what==2) {
                
                    pulltoRefreshView.complate();
                    adapter.notifyDataSetChanged();
                
                }
            
        };      
    };


    private void initdata() {
        // TODO Auto-generated method stub
        list=new ArrayList<String>();
        for (int i = 0; i <50; i++) {
            list.add("item"+i);
        }
    }

    //上拉加载
    @Override
    public void Load() {
        // TODO Auto-generated method stub
        new Thread(new Runnable() {
            
            @Override
            public void run() {
                // TODO Auto-generated method stub
                try {
                    
                    Thread.sleep(1500);
                    int count=adapter.getCount();
                    if ((count+5)<Max) {
                        for (int i =count; i < count+5; i++) {
                            list.add("上拉新数据"+i);
                        }
                    }else{
                        for (int i =count; i <Max; i++) {
                            list.add("上拉新数据"+i);
                        }
                    }
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                handler.sendEmptyMessage(1);
            }
        }).start();
    }

    //刷新
    @Override
    public void Refrash() {
    
    new Thread(new Runnable() {
        
            @Override
            public void run() {
                // TODO Auto-generated method stub
                try {
                    Thread.sleep(1500);
                    for (int i = 5; i>0; i--) {
                        list.add(0,i+"");
                    }
                    
                    
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                handler.sendEmptyMessage(2);
            }
        }).start();
    }
    
}