UltraPtr下拉刷新

github:  https://github.com/liaohuqiu/android-Ultra-Pull-To-Refresh

<in.srain.cube.views.ptr.PtrFrameLayout
    android:id="@+id/ptr"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ListView
        android:id="@+id/lv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"></ListView>
</in.srain.cube.views.ptr.PtrFrameLayout>

public class MainActivity extends AppCompatActivity {

    private List<String> list;
    private ArrayAdapter<String> adapter;
    private PtrFrameLayout ptrFrameLayout;
    private Handler mHandler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            //设置刷新完毕，取消刷新动画
            ptrFrameLayout.refreshComplete();
            adapter.notifyDataSetChanged();
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ptrFrameLayout = (PtrFrameLayout) findViewById(R.id.ptr);
        ListView listView = (ListView) findViewById(R.id.lv);
        initData();

        //1.默认经典头布局
//        PtrClassicDefaultHeader defaultHeader = new PtrClassicDefaultHeader(this);
//        给Ptr添加头布局
//        ptrFrameLayout.setHeaderView(defaultHeader);
//        使头布局的状态和刷新状态同步
//        ptrFrameLayout.addPtrUIHandler(defaultHeader);
        //2.模仿MD风格的头布局
//        MaterialHeader materialHeader = new MaterialHeader(this);
        //设置MD风格动画的颜色
//        materialHeader.setColorSchemeColors(new int[]{Color.RED, Color.GREEN, Color.BLUE});
//        ptrFrameLayout.setHeaderView(materialHeader);
//        ptrFrameLayout.addPtrUIHandler(materialHeader);
        //3.闪动文字的头布局
        StoreHouseHeader storeHouseHeader = new StoreHouseHeader(this);
        //设置加载数据时显示的字符串，文本只支持0-9，英文字符
        storeHouseHeader.initWithString("999Loading...");
        //设置头布局的背景颜色
        storeHouseHeader.setBackgroundColor(Color.BLACK);
        //设置文本的颜色
        storeHouseHeader.setTextColor(Color.WHITE);
//        storeHouseHeader.setDropHeight(300);
        ptrFrameLayout.setHeaderView(storeHouseHeader);
        ptrFrameLayout.addPtrUIHandler(storeHouseHeader);
        adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, list);
        listView.setAdapter(adapter);
        //设置下拉刷新监听
        ptrFrameLayout.setPtrHandler(new PtrDefaultHandler() {
            //在这里进行数据加载
            @Override
            public void onRefreshBegin(PtrFrameLayout frame) {
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        list.add(0, "王五");
                        SystemClock.sleep(3000);
                        mHandler.sendEmptyMessage(0);
                    }
                }).start();
            }
        });
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Toast.makeText(MainActivity.this, "position:" + position, Toast.LENGTH_SHORT).show();
            }
        });
//        ptrFrameLayout.setPtrHandler(new PtrHandler() {
        //返回控件是否可以执行下拉刷新操作
//            @Override
//            public boolean checkCanDoRefresh(PtrFrameLayout frame, View content, View header) {
//                return true;
//            }
//
//            @Override
//            public void onRefreshBegin(PtrFrameLayout frame) {
//
//            }
//        });
    }

    private void initData() {
        list = new ArrayList<>();
        for (int i = 0; i < 30; i++) {
            list.add("lisi:" + i);
        }
    }
}