Enable Download Button in Webview Android App (ANDROID STUDIO) – Techno Vedant

TAYYAB KING October 03, 2021

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MainActivity.Java

if(Build.VERSION.SDK_INT>= Build.VERSION_CODES.M){            if(checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED){                Log.d("permission","permission denied to WRITE_EXTERNAL_STORAGE - requesting it");                String[] permissions = {Manifest.permission.WRITE_EXTERNAL_STORAGE};                requestPermissions(permissions,1);            }        }//handle downloadingwebview.setDownloadListener(new DownloadListener() {            @Override            public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimeType, long contentLength) {                DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));                request.setMimeType(mimeType);                String cookies = CookieManager.getInstance().getCookie(url);                request.addRequestHeader("cookie",cookies);                request.addRequestHeader("User-Agent",userAgent);                request.setDescription("Downloading file....");                request.setTitle(URLUtil.guessFileName(url,contentDisposition,mimeType));                request.allowScanningByMediaScanner();                request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);                request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS,URLUtil.guessFileName(url, contentDisposition, mimeType));                DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);                dm.enqueue(request);                Toast.makeText(getApplicationContext(),"Downloading File",Toast.LENGTH_SHORT).show();            }        });

AndroidMainfest.xml

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