Android webview: How to allow file inputs in Android webview fragement class? -

android webview: how allow file inputs in android webview fragement class? default webview class not supporting file inputs

here answer googlechrome github:

public class mainfragment extends fragment {  private static final string tag = mainfragment.class.getsimplename();  public static final int input_file_request_code = 1; public static final string extra_from_notification = "extra_from_notification";  private webview mwebview; private valuecallback<uri[]> mfilepathcallback; private string mcameraphotopath;  public mainfragment() { }  @override public view oncreateview(layoutinflater inflater, viewgroup container,                          bundle savedinstancestate) {     view rootview = inflater.inflate(r.layout.fragment_main, container, false);      // reference of webview layout/activity_main.xml     mwebview = (webview) rootview.findviewbyid(r.id.fragment_main_webview);      setupwebviewdefaults(mwebview);      // check whether we're recreating destroyed instance     if (savedinstancestate != null) {         // restore previous url , history stack         mwebview.restorestate(savedinstancestate);     }      mwebview.setwebchromeclient(new webchromeclient() {         public boolean onshowfilechooser(                 webview webview, valuecallback<uri[]> filepathcallback,                 webchromeclient.filechooserparams filechooserparams) {             if(mfilepathcallback != null) {                 mfilepathcallback.onreceivevalue(null);             }             mfilepathcallback = filepathcallback;              intent takepictureintent = new intent(mediastore.action_image_capture);             if (takepictureintent.resolveactivity(getactivity().getpackagemanager()) != null) {                 // create file photo should go                 file photofile = null;                 try {                     photofile = createimagefile();                     takepictureintent.putextra("photopath", mcameraphotopath);                 } catch (ioexception ex) {                     // error occurred while creating file                     log.e(tag, "unable create image file", ex);                 }                  // continue if file created                 if (photofile != null) {                     mcameraphotopath = "file:" + photofile.getabsolutepath();                     takepictureintent.putextra(mediastore.extra_output,                             uri.fromfile(photofile));                 } else {                     takepictureintent = null;                 }             }              intent contentselectionintent = new intent(intent.action_get_content);             contentselectionintent.addcategory(intent.category_openable);             contentselectionintent.settype("image/*");              intent[] intentarray;             if(takepictureintent != null) {                 intentarray = new intent[]{takepictureintent};             } else {                 intentarray = new intent[0];             }              intent chooserintent = new intent(intent.action_chooser);             chooserintent.putextra(intent.extra_intent, contentselectionintent);             chooserintent.putextra(intent.extra_title, "image chooser");             chooserintent.putextra(intent.extra_initial_intents, intentarray);              startactivityforresult(chooserintent, input_file_request_code);              return true;         }     });      // load local index.html file     if(mwebview.geturl() == null) {         mwebview.loadurl("file:///android_asset/www/index.html");     }      return rootview; }  /**  * more info method can found @  * http://developer.android.com/training/camera/photobasics.html  *  * @return  * @throws ioexception  */ private file createimagefile() throws ioexception {     // create image file name     string timestamp = new simpledateformat("yyyymmdd_hhmmss").format(new date());     string imagefilename = "jpeg_" + timestamp + "_";     file storagedir = environment.getexternalstoragepublicdirectory(             environment.directory_pictures);     file imagefile = file.createtempfile(             imagefilename,  /* prefix */             ".jpg",         /* suffix */             storagedir      /* directory */     );     return imagefile; }  /**  * convenience method set generic defaults  * given webview  *  * @param webview  */ @targetapi(build.version_codes.honeycomb) private void setupwebviewdefaults(webview webview) {     websettings settings = webview.getsettings();      // enable javascript     settings.setjavascriptenabled(true);      // use wideviewport , zoom out if there no viewport defined     settings.setusewideviewport(true);     settings.setloadwithoverviewmode(true);      // enable pinch zoom without zoom buttons     settings.setbuiltinzoomcontrols(true);      if(build.version.sdk_int > build.version_codes.honeycomb) {         // hide zoom controls honeycomb+         settings.setdisplayzoomcontrols(false);     }      // enable remote debugging via chrome://inspect     if(build.version.sdk_int >= build.version_codes.kitkat) {         webview.setwebcontentsdebuggingenabled(true);     }      // set webviewclient ensure links consumed webview rather     // passed browser if can     mwebview.setwebviewclient(new webviewclient()); }  @override public void onactivityresult (int requestcode, int resultcode, intent data) {     if(requestcode != input_file_request_code || mfilepathcallback == null) {         super.onactivityresult(requestcode, resultcode, data);         return;     }      uri[] results = null;      // check response 1     if(resultcode == activity.result_ok) {         if(data == null) {             // if there not data, may have taken photo             if(mcameraphotopath != null) {                 results = new uri[]{uri.parse(mcameraphotopath)};             }         } else {             string datastring = data.getdatastring();             if (datastring != null) {                 results = new uri[]{uri.parse(datastring)};             }         }     }      mfilepathcallback.onreceivevalue(results);     mfilepathcallback = null;     return; } 

} link answer