Android 官方下拉刷新 SwipeRefreshLayout

0.build.gradle

　　compile 'com.android.support:support-v4:23+'

1.布局文件　　

<android.support.v4.widget.SwipeRefreshLayout

    android:id="@+id/swipeRefreshLayout"

    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>

</android.support.v4.widget.SwipeRefreshLayout>

2.java代码

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_3);

        ButterKnife.bind(this);

        /** 绑定事件 */

        swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {

            @Override

            public void onRefresh() {

                // 网络请求

                request();

            }

        });

　　　　// 第一次打开自动刷新

　　　　swipeRefreshLayout.measure(0, 0);
　　　　swipeRefreshLayout.setRefreshing(true);
　　　　request();

    }

    private void request() {

        HttpUtil.getInstance().get(new HttpUtil.Builder()

                .url("/scloudmenu/menu/16/list?key=&token=95af71ee-abb9-41cd-b8fd-f2f0a2bf16c0")

                .params("currentPage", ++currentPage + "")

                .callBackSuccess(new CallBackSuccess() {

                    @Override

                    public void onSuccess(String json) { //拿到请求数据,相当于 handleMessage() 中的处理

                        CloudMenuEntityList data = JsonUtil.fromJson(json, CloudMenuEntityList.class);

                        entityList.addAll(data.cloudMenuEntityList);

                        tv.setText(entityList.size() + "");

                        // 取消刷新效果

                        swipeRefreshLayout.setRefreshing(false);

                    }

                })

        );

    }