Displaying Android asset files in a WebView?

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生来不讨喜

I have seen various discussions on the problem of serving WebView pages from assets, none of which seemed definitive.

I want to be able to use a webview to display h

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有刺的猬

2020-11-30 05:17

Well, I found something that seems to work (on 1.6 and 2.2), in spite of a warning that it would recurse.

I also discovered that a css style-sheet link inside the first and second page both work without the following intercept. Odd and it makes me a bit nervous. Thoughts?

Here's the code:

WebView wv = (WebView)this.findViewById(R.id.splashWebView);
wv.setWebViewClient(new WebViewClient() {  
  @Override  
  public boolean shouldOverrideUrlLoading(WebView view, String url)  
  {  
    view.loadUrl(url);
    return true;
  }  
}); 
wv.loadUrl("file:///android_asset/html_no_copy/demo_welcome.html");

Here's the file contents:

demo_welcome.html:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
    <title>Demo Html</title>
    <link rel="stylesheet" type="text/css" href="demo.css" />
  </head>
  <body>
    <H1>Testing One Two Three</H1>
    <a href="test.html">CLICK HERE</a><p>
    <a href="file:///android_asset/html_no_copy/test.html">OR HERE</a>
  </body>
</html>

test.html:

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
    <link rel="stylesheet" type="text/css" href="test.css" />
    <title>Insert title here</title>
  </head>
  <body>
    <H1>TEST.HTML</H1>
  </body>
</html>

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轮回少年

2020-11-30 05:42
instead of loadUrl, try using the loadDataWithBaseURL method:
```
wv.loadDataWithBaseURL("fake://not/needed", html, mimeType, encoding, "");
```
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