我如何知道Web视图已加载完成 [英] How can i know web view is loading completed

问题描述

我有网络视图，因为我正在加载pdf文件.

i have web view in that i am loading pdf file .

pdf文件的大小为2 mb，因此需要打钉时间.我想添加指标.

pdf file has 2 mb size so it tacking time. i want to add indicator .

为此，我如何知道我的文件已加载到Web视图中? ...

for that how can i know my file is loaded in web view ? ...

推荐答案

James P的答案正确(^'ed)，但这是显示和隐藏指标的代码.

James P has the right answer (^'ed), but here is the code to show and hide the indicator.

在 UIWebViewDelegate ...

- (void)webViewDidStartLoad:(UIWebView *)webView {
    [UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
    // Other stuff...
}

然后

- (void)webViewDidFinishLoad:(UIWebView *)webView {
    [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
    // Other stuff...
}

您可能还想检查故障并在那里隐藏活动指示器...

Also you probably want to check for failures and hide the activity indicator there as well...

- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error {
    [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
    // Other stuff...
}

这篇关于我如何知道Web视图已加载完成的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！