今天偶然发现一个超好用的刷新框架–SmartRefreshLayout,它以打造一个强大,稳定,成熟的下拉刷新框架为目标,并集成各种的炫酷、多样、实用、美观的Header和Footer,首先要感谢大佬,源github地址:https://github.com/scwang90/SmartRefreshLayout
配置
implementation 'androidx.appcompat:appcompat:1.0.0' //必须 1.0.0 以上
implementation 'com.scwang.smart:refresh-layout-kernel:2.0.1' //核心必须依赖
implementation 'com.scwang.smart:refresh-header-classics:2.0.1' //经典刷新头
implementation 'com.scwang.smart:refresh-header-radar:2.0.1' //雷达刷新头
implementation 'com.scwang.smart:refresh-header-falsify:2.0.1' //虚拟刷新头
implementation 'com.scwang.smart:refresh-header-material:2.0.1' //谷歌刷新头
implementation 'com.scwang.smart:refresh-header-two-level:2.0.1' //二级刷新头
implementation 'com.scwang.smart:refresh-footer-ball:2.0.1' //球脉冲加载
implementation 'com.scwang.smart:refresh-footer-classics:2.0.1' //经典加载
并在 gradle.properties 中添加
android.useAndroidX=true
android.enableJetifier=true
在XML布局文件中添加 SmartRefreshLayout
<?xml version="1.0" encoding="utf-8"?>
<com.scwang.smart.refresh.layout.SmartRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/refreshLayout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.scwang.smart.refresh.header.ClassicsHeader
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:overScrollMode="never"
android:background="#fff" />
<com.scwang.smart.refresh.footer.ClassicsFooter
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</com.scwang.smart.refresh.layout.SmartRefreshLayout>
在 Activity 或者 Fragment 中添加代码
RefreshLayout refreshLayout = (RefreshLayout)findViewById(R.id.refreshLayout);
refreshLayout.setRefreshHeader(new ClassicsHeader(this));
refreshLayout.setRefreshFooter(new ClassicsFooter(this));
refreshLayout.setOnRefreshListener(new OnRefreshListener() {
@Override
public void onRefresh(RefreshLayout refreshlayout) {
refreshlayout.finishRefresh(2000/*,false*/);//传入false表示刷新失败
}
});
refreshLayout.setOnLoadMoreListener(new OnLoadMoreListener() {
@Override
public void onLoadMore(RefreshLayout refreshlayout) {
refreshlayout.finishLoadMore(2000/*,false*/);//传入false表示加载失败
}
});
代码设置Header和Footer
代码中设置样式,优先级最高
final RefreshLayout refreshLayout = (RefreshLayout) findViewById(R.id.refreshLayout);
//设置 Header 为 贝塞尔雷达 样式
refreshLayout.setRefreshHeader(new BezierRadarHeader(this).setEnableHorizontalDrag(true));
//设置 Footer 为 球脉冲 样式
refreshLayout.setRefreshFooter(new BallPulseFooter(this).setSpinnerStyle(SpinnerStyle.Scale));
全局设置样式
public class App extends Application {
//static 代码段可以防止内存泄露
static {
//设置全局的Header构建器
SmartRefreshLayout.setDefaultRefreshHeaderCreator(new DefaultRefreshHeaderCreator() {
@Override
public RefreshHeader createRefreshHeader(Context context, RefreshLayout layout) {
layout.setPrimaryColorsId(R.color.colorPrimary, android.R.color.white);//全局设置主题颜色
return new ClassicsHeader(context);//.setTimeFormat(new DynamicTimeFormat("更新于 %s"));//指定为经典Header,默认是 贝塞尔雷达Header
}
});
//设置全局的Footer构建器
SmartRefreshLayout.setDefaultRefreshFooterCreator(new DefaultRefreshFooterCreator() {
@Override
public RefreshFooter createRefreshFooter(Context context, RefreshLayout layout) {
//指定为经典Footer,默认是 BallPulseFooter
return new ClassicsFooter(context).setDrawableSize(20);
}
});
}
}
还有一些经常用到的属性
refreshLayout.setEnableRefresh(true);//是否启用下拉刷新功能
refreshLayout.setEnableLoadMore(false);//是否启用上拉加载功能
refreshLayout.setEnableAutoLoadMore(true);//是否启用列表惯性滑动到底部时自动加载更多
refreshLayout.autoRefresh();//自动刷新
refreshLayout.autoLoadMore();//自动加载
refreshLayout.autoRefresh(400);//延迟400毫秒后自动刷新
refreshLayout.autoLoadMore(400);//延迟400毫秒后自动加载
refreshLayout.finishRefresh();//结束刷新
refreshLayout.finishLoadMore();//结束加载
refreshLayout.setDisableContentWhenRefresh(false);//是否在刷新的时候禁止列表的操作
refreshLayout.setDisableContentWhenLoading(false);//是否在加载的时候禁止列表的操作
refreshLayout.finishLoadMoreWithNoMoreData();//完成加载并标记没有更多数据