Question

在我的网页视图中，我有这段代码。当我点击我的网络视图应用程序中的链接时，停止显示再次尝试打开应用程序。

myWebView.setDownloadListener(new DownloadListener() {

    public void onDownloadStart(String url, String userAgent, String 
      contentDisposition, String mimetype, long contentLength) {

        DownloadManager.Request request = new 
            DownloadManager.Request(Uri.parse(url));

        CookieManager cookieManager = CookieManager.getInstance();
        String cookie = 
            cookieManager.getCookie("https://learntatatrusts.org/");
        request.addRequestHeader("Cookie", cookie);
        request.allowScanningByMediaScanner();
        Environment.getExternalStorageDirectory();
        getApplicationContext().getFilesDir().getPath(); 
        request.setNotificationVisibility(DownloadManager.Request.
            VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
        request.setDestinationInExternalPublicDir(Environment.
            DIRECTORY_DOWNLOADS, "download");
        DownloadManager dm = (DownloadManager) 
            getSystemService(DOWNLOAD_SERVICE);
        dm.enqueue(request);
    }
});

Answer 1

我认为您还需要在运行时请求权限，不仅仅在Android Manifest文件中。你可以在这里查看：

https://developer.android.com/training/permissions/requesting.html#explain

在这里：

How to check Grants Permissions at Run-Time?

Answer 2

Neither user 10083 nor current process has android.permission.WRITE_EXTERNAL_STORAGE

您是否尝试在Manifest中申请WRITE_EXTERNAL_STORAGE权限？

Web视图单击正在崩溃我的应用程序

2 个答案: