Android SwipeRefreshLayout刷新动画不';停不下来
我已经实现了一个片段,它有一个SwiperFreshLayout作为内容视图。刷新动画在onRefresh时触发,但即使从服务器检索数据后将setRefresh设置为false,它也不会停止Android SwipeRefreshLayout刷新动画不';停不下来,android,swiperefreshlayout,Android,Swiperefreshlayout,我已经实现了一个片段,它有一个SwiperFreshLayout作为内容视图。刷新动画在onRefresh时触发,但即使从服务器检索数据后将setRefresh设置为false,它也不会停止 @Override public void onRefresh() { handler.post(refreshing); } private final Runnable refreshing = new Runnable(){ public void run(){
@Override
public void onRefresh() {
handler.post(refreshing);
}
private final Runnable refreshing = new Runnable(){
public void run(){
try {
if(isRefreshing()){
handler.postDelayed(this, 1000);
}else{
swipeLayout.setRefreshing(false);
mainActivity.forceUpdate();
setLayout();
}
}
catch (Exception e) {
e.printStackTrace();
}
}
};
private boolean isRefreshing(){
return swipeLayout.isRefreshing();
}
当然,它不会停下来刷新,看看你的循环
if(isRefreshing()){
handler.postDelayed(this, 1000);
}else{
swipeLayout.setRefreshing(false);
mainActivity.forceUpdate();
setLayout();
}
基本上你永远不会停止,
“swipeLayout.setRefreshing(false);”
永远不会调用,因为它需要的条件(isRefreshing())为false,所以它没有任何意义,您将始终从“isRefreshing()”中获得一个真值,因为您从未告诉它停止。
根据isRefreshing的布尔值将Refreshing设置为false在我看来是错误的,您不应该依赖它,应该由您决定何时停止刷新状态
通常,PullToRefresh用于从服务器获取新数据。
因此,基本上,我建议将此检查插入从服务器获得答案的位置:
if (swipeLayout.isRefreshing()) {
swipeLayout.setRefreshing(false);
}
因为一旦您从服务器获得新数据,就需要停止刷新
编辑-添加完整的代码示例
protected SwipeRefreshLayout.OnRefreshListener mOnRefreshListener = new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
retrieveDocuments();
}
};
public void retrieveDocuments() {
//some code, server call
//onCompletion is your server response with a success
@Override
public void onCompletion(String result) {
if (mSwipeRefreshLayout.isRefreshing()) {
mSwipeRefreshLayout.setRefreshing(false);
}
}
}
这将删除动画:
mSwipeRefreshLayout.setRefreshing(false);
在UI线程中使用setRefreshing(false)
试试这个:
Handler mHandler = new Handler();//In UI Thread
就我而言,我做到了
mSwipeRefreshLayout.post(new Runnable() {
@Override
public void run() {
mSwipeRefreshLayout.setRefreshing(true);
}
});
两次。
然后,它不会被删除
mSwipeRefreshLayout.setRefreshing(false);
若要在页面加载时停止加载动画,则必须首先在Webview中找到页面完全加载时的动画 下面是在Webview中加载页面,然后在完成页面加载后停止加载动画的完整代码
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_web_view);
final WebView wvSocialMediaPage = findViewById(R.id.wv_social_media_page);
wvSocialMediaPage.setWebViewClient(new CustomWebViewClient());
WebSettings webSetting = wvSocialMediaPage.getSettings();
webSetting.setJavaScriptEnabled(true);
webSetting.setDisplayZoomControls(true);
wvSocialMediaPage.loadUrl("https://facebook.com");
swipeRefreshLayout = (SwipeRefreshLayout) this.findViewById(R.id.swipe_container);
swipeRefreshLayout.setOnRefreshListener(
new SwipeRefreshLayout.OnRefreshListener() {
@Override
public void onRefresh() {
wvSocialMediaPage.reload();
}
}
);
}
private class CustomWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
@Override
public void onPageFinished(WebView view, String url) {
swipeRefreshLayout.setRefreshing(false);
}
}
onPageFinished将在页面加载成功时找到,然后停止动画。确保设置了侦听器
mSwipeRefreshLayout = findViewById(R.id.swiperefresh);
mSwipeRefreshLayout.setOnRefreshListener(this); // Important
我不喜欢听众。我确实认为,如果你用c语言编写代码,你必须遵循它的范例。其中之一就是事件。MvxSwipeRefreshLayout具有名为Refresh的事件。 您可以在其处理程序中执行一些需要一些时间的操作,比如等待,然后将刷新设置为false
private async void SwipeToRefreshControl_Refresh(object sender, EventArgs e)
{
await ...some stuff here...
(sender as MvxSwipeRefreshLayout).Refreshing = false;
}
如果您使用Kotlin,您可以通过协同程序来实现这一点 其中,
binding.dashboardRefresh
是我的SwiperFreshLayout
//Refresh the info on Swipe-Refresh
binding.dashboardRefresh.run {
setOnRefreshListener {
menuViewModel.getFields()
val workerScope = CoroutineScope(Dispatchers.IO)
workerScope.launch {
delay(3000)
isRefreshing = false
}
}
}
检查调试器是否执行swipeLayout.setRefreshing(false)垂直滑动时似乎未调用onRefresh。调试器不会在onRefreshTry swipeLayout.setOnRefreshListner(新的SwipeRefreshLayout.OnRefreshListner()){//您的onrefresh方法将在此处被重写}这里有您的
SetRefresh(true)
?.runUnuithread(新的Runnable(){@Override public void run()){mSwipeRefreshCurrent.setRefreshing(false);}}});适合我!谢谢,user1612549,看起来它也适合我。
//Refresh the info on Swipe-Refresh
binding.dashboardRefresh.run {
setOnRefreshListener {
menuViewModel.getFields()
val workerScope = CoroutineScope(Dispatchers.IO)
workerScope.launch {
delay(3000)
isRefreshing = false
}
}
}