swiperefreshlayout实现下拉小球式的刷新，供大家参考，具体内容如下
布局文件：
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<?xml version="1.0" encoding="utf-8"?>
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingleft="@dimen/activity_horizontal_margin"
android:paddingright="@dimen/activity_horizontal_margin"
android:paddingtop="@dimen/activity_vertical_margin"
android:paddingbottom="@dimen/activity_vertical_margin" tools:context=".mainactivity">
<android.support.v4.widget.swiperefreshlayout
android:id="@+id/swiperefreshlayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
>
<listview
android:id="@+id/listview"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</listview>
</android.support.v4.widget.swiperefreshlayout>
</relativelayout>
mainactivity:
public class mainactivity extends appcompatactivity implements swiperefreshlayout.onrefreshlistener{
private static final int refresh_status =0;
private listview mylistview;
private swiperefreshlayout myswiperefreshlayout;
private arrayadapter<string> listadapter;
private list<string> listide = new arraylist<string>(arrays.aslist("visual studio", "android studio", "eclipse", "xcode"));
private handler refreshhandler = new handler()
{
public void handlemessage(android.os.message msg)
{
switch (msg.what)
{
case refresh_status:
listide.removeall(listide);
listide.addall(arrays.aslist("c#", "java", "c++","object-c"));
listadapter.notifydatasetchanged();
myswiperefreshlayout.setrefreshing(false);
break;
}
};
};
protected void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.activity_main);
mylistview = (listview) findviewbyid(r.id.listview);
myswiperefreshlayout = (swiperefreshlayout) findviewbyid(r.id.swiperefreshlayout);
myswiperefreshlayout.setonrefreshlistener(this);
myswiperefreshlayout.setcolorschemeresources(android.r.color.holo_blue_bright, android.r.color.holo_green_light,
android.r.color.holo_orange_light, android.r.color.holo_red_light);
listadapter = new arrayadapter(this,android.r.layout.simple_list_item_1,listide);
mylistview.setadapter(listadapter);
}
@override
public void onrefresh() {
refreshhandler.sendemptymessagedelayed(refresh_status, 1500);
}
}
效果图：
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