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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)
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);
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.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();
}
});
private Handler mHandler = new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case 1:
swipeRefreshLayout.setRefreshing(false);
adapter.notifyDataSetChanged();
break;
default:
break;
}
}
};
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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);
}else {
footerView.setVisibility(View.VISIBLE);
}
}
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