Android的WebView中loadDataWithBaseURL负荷资产如何图像？(Andro

在项目中，我有一个文件：

"MyProject/assets/folder1/image1.jpg"
"MyProject/assets/folder1/index.html".

在web视图我需要打开index.html（含图片）。

我想这样的代码：

String baseUrl = "file:///android_asset/folder1/";
webView.loadDataWithBaseURL(baseUrl, readFileAsString("index.html") , mimeType, "UTF-8", null);

但是，图像不加载。

如果我把图像，以“ 资产 ”目录（ MyProject/assets/ ），使baseUrl = "file:///android_asset"图像正确加载;

如何加载图像不仅是从根目录下的资产，但是从assets/folder1 ？

Answer 1:

尝试这样

WebView webview = (WebView)this.findViewById(R.id.webview);


String html = "<html><head><title>TITLE!!!</title></head>";
html += "<body><h1>Image?</h1><img src=\"icon.png\" /></body></html>";


webview.loadDataWithBaseURL("file:///android_res/drawable/", html, "text/html", "UTF-8", null);

欲了解更多信息，尝试此链接

完美LoadDataWithBaseurl

Answer 2:

我认为你必须设置的基础资产和子文件夹添加到您的图片src的是这样的：

webView.loadDataWithBaseURL("file:///android_asset/", readAssetFileAsString("folder1/index.html"), "text/html", "UTF-8", null);

HTML： <img src="folder1/image1.jpg">

这为我工作在Android 5.1

private String readAssetFileAsString(String sourceHtmlLocation)
{
    InputStream is;
    try
    {
        is = getContext().getAssets().open(sourceHtmlLocation);
        int size = is.available();

        byte[] buffer = new byte[size];
        is.read(buffer);
        is.close();

        return new String(buffer, "UTF-8");
    }
    catch(IOException e)
    {
        e.printStackTrace();
    }

    return "";
}

Answer 3:

尝试喜欢这个

try {
            String filePath = null;
            filePath = "Your File path";
            Bitmap bitmap = null;

            bitmap = BitmapFactory.decodeFile(filePath);
            Log.v("Image data-->", "" + bitmap);
            imageWidth = bitmap.getWidth();
            imageHeight = bitmap.getHeight();
            Log.e("Width", "" + imageWidth);
            filePath = "file://" + filePath;
            String html = "<html xmlns=\"http://www.w3.org/1999/xhtml\"><head><meta http-equiv=\"Content-Type\" content=\"text/html\";charset=utf-8\"/><title></title></head><body style=\"width:"
                    + imageWidth
                    + "px; height:"
                    + imageHeight
                    + "px; background:url("
                    + filePath
                    + ") no-repeat; position:relative;\">"
                    + getDivTag(mapList)
                    + "</body></html>";

            Log.v("MIS", "" + html);
            webview.getSettings().setSupportZoom(true);
            webview.loadDataWithBaseURL(null, html, "text/html", "utf-8", null);

            System.out.println(html);

        } catch (Exception e) {
            e.printStackTrace();
        }

Answer 4:

你有没有给互联网的权限？

<uses-permission android:name="android.permission.INTERNET" />

文章来源: Android webview loadDataWithBaseURL how load images from assets?