SwipeRefresh 各种实现上拉，下拉刷新

http://blog.csdn.net/imshuyuan/article/details/62041447

基于原生的SwipeRefreshLayout 做了封装处理

项目源码 
https://github.com/huangshuyuan/SwipeRefresh

此项目中包括三种：

• 1.原生SwipeRefreshLayout（上拉可通过滚动监听实现）

• 2.自定义支持上拉刷新的组件

• 3.自定义支持ViewPage的刷新组件VPSwipeRefreshLayout

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1.原生SwipeRefreshLayout（上拉可通过滚动监听实现）

除了OnRefreshListener接口外，SwipRefreshLayout中还有一些其他重要的方法，具体如下：

         1、setOnRefreshListener(SwipeRefreshLayout.OnRefreshListener listener):设置手势滑动监听器。         2、setProgressBackgroundColor(int colorRes):设置进度圈的背景色。         3、setColorSchemeResources(int… colorResIds):设置进度动画的颜色。         4、setRefreshing(Boolean refreshing):设置组件的刷洗状态。         5、setSize(int size):设置进度圈的大小，只有两个值：DEFAULT、LARGE ``` 布局，具体内容如下： ```<?xml version="1.0" encoding="utf-8"?><android.support.v4.widget.SwipeRefreshLayout     xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    android:id="@+id/swipeLayout" >    <ListView         android:id="@+id/mylist"        android:layout_width="match_parent"        android:layout_height="wrap_content"/></android.support.v4.widget.SwipeRefreshLayout>
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Activity核心代码如下：

swipeRefreshLayout = (SwipeRefreshLayout)findViewById(R.id.swipeLayout);  /*加载的渐变动画*/        swipeRefreshLayout.setColorSchemeResources(R.color.swipe_color_1,                R.color.swipe_color_2,                R.color.swipe_color_3,                R.color.swipe_color_4);        swipeRefreshLayout.setSize(SwipeRefreshLayout.LARGE);;        swipeRefreshLayout.setProgressBackgroundColor(R.color.swipe_background_color);        //swipeRefreshLayout.setPadding(20, 20, 20, 20);        //swipeRefreshLayout.setProgressViewOffset(true, 100, 200);        //swipeRefreshLayout.setDistanceToTriggerSync(50);        swipeRefreshLayout.setProgressViewEndTarget(true, 100);        swipeRefreshLayout.setOnRefreshListener(new OnRefreshListener() {            @Override            public void onRefresh() {                new Thread(new Runnable() {                    @Override                    public void run() {                        data.clear();                        for(int i=0;i<20;i++){                            data.add("SwipeRefreshLayout下拉刷新"+i);                        }                        try {                            Thread.sleep(5000);                        } catch (InterruptedException e) {                            e.printStackTrace();                        }                        mHandler.sendEmptyMessage(1);                    }                }).start();            }        });    //handler    private Handler mHandler = new Handler(){        @Override        public void handleMessage(Message msg) {            super.handleMessage(msg);            switch (msg.what) {            case 1:                swipeRefreshLayout.setRefreshing(false);                adapter.notifyDataSetChanged();                //swipeRefreshLayout.setEnabled(false);                break;            default:                break;            }        }    };
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• 原生实现上拉效果

通过监听滚动事件，对listview添加底部的组件实现上拉

 implements AbsListView.OnScrollListener {··· ···  /**         * 对listview添加底部的组件实现上拉         */        footerView = getLayoutInflater().inflate(R.layout.refresh_footview_layout, null);        lv.addFooterView(footerView);  /**         * 设置滚动监听         */   lv.setOnScrollListener(this);    /**     * 重写滚动方法     * @param view     * @param scrollState     */    @Override    public void onScrollStateChanged(AbsListView view, int scrollState) {        if (adapter.getCount() == visibleLastIndex && scrollState == SCROLL_STATE_IDLE) {            Toast.makeText(this, "加载更多完成", Toast.LENGTH_SHORT).show();            footerView.setVisibility(View.GONE);            /*在此处加载更多数据*///            new LoadDataThread().start();        }else {            footerView.setVisibility(View.VISIBLE);//            Toast.makeText(this, "加载更多...", Toast.LENGTH_SHORT).show();        }    }
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