android: webview show blank screen when i show pdf file from dropbox link -


this code show pdf file shared link. please tell me why show blank screen

protected void oncreate(bundle savedinstancestate) {         // todo auto-generated method stub         super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_wbview);     mwebview=(webview) findviewbyid(r.id.web_view);      string weblink="https://dl.dropboxusercontent.com/u/107860028/publishing%20an%20application%20on%20google%20play.pdf";       mwebview.getsettings().setjavascriptenabled(true);     mwebview.loadurl(weblink);     }

webview can't open pdf need use google doc view pdf or can use adobereadr pdf

      protected void oncreate(bundle savedinstancestate) {             // todo auto-generated method stub             super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_wbview);         mwebview=(webview) findviewbyid(r.id.web_view);          string weblink="https://dl.dropboxusercontent.com/u/107860028/publishing%20an%20application%20on%20google%20play.pdf";           mwebview.getsettings().setjavascriptenabled(true);        webview.loadurl("http://docs.google.com/gview?embedded=true&url=+weblink");         }

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