下拉刷新
```javascript
"ui";
importClass(Packages.androidx.recyclerview.widget.LinearLayoutManager);
importClass(Packages.androidx.recyclerview.widget.RecyclerView);
importClass(android.graphics.Color);
importClass(Packages.androidx.swiperefreshlayout.widget.SwipeRefreshLayout);
ui.layout(
<vertical gravity="center">
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
id="swipeRefreshLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<androidx.recyclerview.widget.RecyclerView
id="recyclerview"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
</vertical>
);
let refreshing = false;
let swipeRefreshLayout = ui.swipeRefreshLayout;
swipeRefreshLayout.setColorSchemeColors(Color.BLUE, Color.GREEN, Color.RED);
swipeRefreshLayout.setOnRefreshListener(
new SwipeRefreshLayout.OnRefreshListener({
onRefresh: function () {
if (refreshing) {
com.google.android.material.snackbar.Snackbar.make(ui.swipeRefreshLayout, "数据处理中", 1000).show();
return;
}
refreshing = true;
setTimeout(() => {
swipeRefreshLayout.setRefreshing(false);
refreshing = false;
}, 5000);
},
})
);
```
**## 声明**
部分内容来自网络
本教程仅用于学习, 禁止用于其他用途