我尝试了很多解决方案但无法在内部存储中写入。
我已经包含了权限 INTERNET，WRITE_EXTERNAL_STORAGE，WRITE_INTERNAL_STORAGE，ACCESS_DOWNLOAD_MANAGER
我的网页浏览主要遇到.pdf，.doc。，。ppt文件类型。
每当我点击网页视图中的文件时，必须允许我从内部存储中选择位置并开始下载过程。
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main3);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
/* FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});*/
wv=(WebView)findViewById(R.id.wv);
WebSettings ws=wv.getSettings();
ws.setJavaScriptEnabled(true);
ws.setBuiltInZoomControls(true);
ws.setSupportZoom(true);
ws.setUseWideViewPort(true);
ws.setJavaScriptCanOpenWindowsAutomatically(true);
wv.getSettings().setRenderPriority(WebSettings.RenderPriority.HIGH);
wv.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
wv.getSettings().setAppCacheEnabled(true);
wv.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
ws.setDomStorageEnabled(true);
ws.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
ws.setUseWideViewPort(true);
ws.setSavePassword(true);
ws.setEnableSmoothTransition(true);
ws.setSaveFormData(true);
wv.loadUrl("http://courses.rvrjcce.ac.in/moodle/login/index.php");
wv.setWebViewClient(new MyWebviewClient());
wv.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.allowScanningByMediaScanner();
request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); //Notify client once download is completed!
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "ganesh");
DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
dm.enqueue(request);
Toast.makeText(getApplicationContext(), "Downloading File", //To notify the Client that the file is being downloaded
Toast.LENGTH_LONG).show();
}
});
}
private class MyWebviewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url)
{
return false;
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if(event.getAction()==KeyEvent.ACTION_DOWN)
{
switch(keyCode)
{
case KeyEvent.KEYCODE_BACK:
if(wv.canGoBack())
{
wv.goBack();
}
else
{
Intent inte=new Intent(MainActivity.class.getName());
startActivity(inte);
}
return true;
}
}
return super.onKeyDown(keyCode, event);
}
}