3
我对WebView和SVG有问题。当我加载svg(带javascript)到WebView时,它随机扩展......在一台设备上绝对随机地放置在不同的设备和不同的屏幕方向上。我需要将SVG放在WebView中,并将其放大到WebView大小,静态并启用缩放。 A试过这个html:Android:在WebView中缩放SVG
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<object type="image/svg+xml" data="AutomobileMain.svg" width="100%" height="100%" align="middle">
<param name="src" value="AutomobileMain.svg" />
<param name="wmode" value="transparent" />
</object>
</body>
</html>
它在浏览器中工作,但不适用于WebView。
这里,代码:
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mSchemeImageWebView = (WebView) inflater.inflate(
R.layout.newremark_image, container, false);
WebSettings webSettings = mSchemeImageWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
webSettings.setBuiltInZoomControls(true);
webSettings.setSupportZoom(true);
webSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);
webSettings.setAppCacheEnabled(false);
mSchemeImageWebView.addJavascriptInterface(new IJavascriptHandler(),
"android");
mSchemeImageWebView.setWebViewClient(new WebViewClient() {
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
prepareResizedToFit(mSchemeImageWebView);
}
});
reloadWebView() ;
return mSchemeImageWebView;
}
public void reloadWebView() {
mSchemeImageWebView.loadUrl(getSchemePath()) ;
}
private void prepareResizedToFit(WebView webView) {
webView.setInitialScale(scale(mSchemeImageWebView));
}
private int scale(View view) {
int height = Math.round(view.getHeight()) ;
int width = Math.round(view.getWidth()) ;
Dimension parsedDimension ;
try {
parsedDimension = new SVGDimensionsParser().parse(getResources()
.getAssets().open(getSchemeFileName())) ;
double scaleXtoMax = width/parsedDimension.width ;
double scaleYtoMax = height/parsedDimension.height ;
double scale = Math.min(scaleXtoMax , scaleYtoMax) ;
return (int) (scale * 100.0) ;
} catch (Exception e) {
return 100;
}
}
private static class SVGDimensionsParser {
public Dimension parse(InputStream in) throws XmlPullParserException,
IOException {
try {
XmlPullParser parser = Xml.newPullParser();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES,
false);
parser.setInput(in, null);
parser.nextTag();
return readFeed(parser);
} finally {
in.close();
}
}
private Dimension readFeed(XmlPullParser parser)
throws XmlPullParserException, IOException {
if (parser.getName().equals("svg")) {
return new Dimension(
Double.parseDouble(parser.getAttributeValue(null,
"height").replaceAll("px", "")),
Double.parseDouble(parser.getAttributeValue(null,
"width").replaceAll("px", "")));
} else {
return null;
}
}
}
这不工作:( – amak