Java Android WebView 滚动到底部
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Android WebView scroll to bottom
提问by Phil
I try to scroll down the page I have in my WebView. Therefore I found the function .pageDown(true). The problem is that this function does not really work for me. Mostly it does not do anything.
我尝试向下滚动 WebView 中的页面。因此我找到了函数.pageDown(true)。问题是这个功能对我不起作用。大多数情况下它什么都不做。
Codesnippet:
代码片段：
wvChat.loadData(chat_, "text/html; charset=utf-8", "UTF-8");
wvChat.setWebViewClient(new WebViewClient() {
public void onPageFinished(WebView view, String url) {
wvChat.pageDown(true);
}
});
Is there another method or is it wrong to use it in onPageFinished?
是否有另一种方法或者在onPageFinished中使用它是错误的？
回答by petey
get the html content height and use scrollTo(x,y)
获取 html 内容高度并使用scrollTo(x,y)
wvChat.loadData(chat_, "text/html; charset=utf-8", "UTF-8");
wvChat.setWebViewClient(new WebViewClient() {
@Override
public void onPageFinished(WebView view, String url) {
//use the param "view", and call getContentHeight in scrollTo
view.scrollTo(0, view.getContentHeight());
}
});
回答by Mr. Fish
I have a solution to scroll down large files (much lines) using the scrollTo function. I set a much higher value than the content height can be.
我有一个使用 scrollTo 函数向下滚动大文件（多行）的解决方案。我设置了一个比内容高度高得多的值。
mWebView.setWebViewClient(new WebViewClient()
{
@Override
public void onPageFinished(WebView view, String url)
{
super.onPageFinished(view, url);
Handler lHandler = new Handler();
lHandler.postDelayed(new Runnable()
{
@Override
public void run()
{
mWebView.scrollTo(0, 1000000000);
}
}, 200);
}
});
The problem is now, that it does not work for small files (less lines), because the onPageFinished method is called before the WebView has been rendered, so I have to use a delay handle.
现在的问题是，它不适用于小文件（较少的行），因为 onPageFinished 方法是在 WebView 呈现之前调用的，所以我必须使用延迟句柄。
回答by Vladimir
wvChat.setWebViewClient(new WebViewClient() {
@Override
public void onPageCommitVisible(WebView view, String url) {
wvChat.pageDown(true);
}
});
this better, without delay...
这更好，毫不拖延......
