采用了android的WebView下载图片 [英] Download Images using android webview
问题描述
我想下载我的网页视图内的图像。我用了一个链接标记像这样
I want to download images inside my webview. I used a link tag like this
<a href="../Temp/Images/def.jpg" download="">Download</div></a>
在哪些Chrome浏览器工作正常,但在我的WebView应用程序不起作用。我已经激活几个权限。
Which works fine on a chrome browser but does not work in my webview app. I already activated several permissions.
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />
但还是链接没有反应。我怎样才能触发下载?
But still the link does not react. How can I trigger a download?
编辑:
响应头:
缓存控制:私人
连接:关闭
内容处置:附件;文件名= IMG_20141004_171308.jpg
内容长度:3039432
内容类型:图像/ JPEG
日期:周三,二零一四年十月一十五日12时35分57秒GMT
服务器:ASP.NET开发服务器/ 10.0.0.0
的X ASPNET-版本:4.0.30319
的X AspNetMvc-版本:4.0
Cache-Control:private Connection:Close Content-Disposition:attachment; filename=IMG_20141004_171308.jpg Content-Length:3039432 Content-Type:image/jpeg Date:Wed, 15 Oct 2014 12:35:57 GMT Server:ASP.NET Development Server/10.0.0.0 X-AspNet-Version:4.0.30319 X-AspNetMvc-Version:4.0
推荐答案
尝试添加下载监听器 -
Try adding download listener -
mWebView.setDownloadListener(new DownloadListener() {
public void onDownloadStart(String url, String userAgent,
String contentDisposition, String mimetype,
long contentLength) {
Request request = new Request(Uri.parse(url));
request.allowScanningByMediaScanner();
request.setNotificationVisibility(
DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
request.setDestinationInExternalPublicDir(
Environment.DIRECTORY_DOWNLOADS, //Download folder
"download"); //Name of file
DownloadManager dm = (DownloadManager) getSystemService(
DOWNLOAD_SERVICE);
dm.enqueue(request);
}
});
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